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TLVH431BQDCKT

TLVH431BQDCKT

  • 厂商:

    BURR-BROWN(德州仪器)

  • 封装:

    SC70-6

  • 描述:

    IC VREF SHUNT ADJ 0.5% SC70-6

  • 详情介绍
  • 数据手册
  • 价格&库存
TLVH431BQDCKT 数据手册
Product Folder Order Now Support & Community Tools & Software Technical Documents TLVH431, TLVH431A, TLVH431B TLVH432, TLVH432A, TLVH432B SLVS555L – NOVEMBER 2004 – REVISED APRIL 2020 TLVH431, TLVH432 Low-Voltage Adjustable Precision Shunt Regulators 1 Features 3 Description • • The TLVH431 and TLVH432 devices are low-voltage 3-terminal adjustable voltage references, with specified thermal stability over applicable industrial and commercial temperature ranges. Output voltage can be set to any value between VREF (1.24 V) and 18 V with two external resistors (see Figure 19). These devices operate from a lower voltage (1.24 V) than the widely used TL431 and TL1431 shuntregulator references. 1 • • • • • • Low-voltage operation: down to 1.24 V Reference voltage tolerances at 25°C – 0.5% for B grade – 1% for A grade – 1.5% for standard grade Adjustable output voltage, VO = VREF to 18 V Wide operating cathode current range: 100 μA to 70 mA 0.25-Ω typical output impedance –40°C to +125°C specifications TLVH432 provides alternative pinouts for SOT-23-3 and SOT-89 packages Ultra-small SC-70 package offers 40% smaller footprint than SOT-23-3 When used with an optocoupler, the TLVH431 and TLVH432 devices are ideal voltage references in isolated feedback circuits for 3-V to 3.3-V switchingmode power supplies. They have a typical output impedance of 0.25 Ω. Active output circuitry provides a very sharp turn-on characteristic, making the TLVH431 and TLVH432 devices excellent replacements for low-voltage Zener diodes in many applications, including on-board regulation and adjustable power supplies. 2 Applications • • • • • Adjustable voltage reference for data Converters Secondary side regulation in flyback SMPSs Zener replacement with low leakage current Voltage monitoring for power rails Comparator with integrated reference The TLVH432 device is identical to the TLVH431 device, but is offered with different pinouts for the 3-pin SOT-23 and SOT-89 packages. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TLVH43xxDBZ SOT-23 (5) 2.90 mm × 1.60 mm TLVH43xxDBZ SOT-23 (3) 2.92 mm × 1.30 mm TLVH43xxDCK SC70 (6) 2.00 mm × 1.25 mm TLVH43xxLP TO-92 (3) 4.30 mm × 4.30 mm TLVH43xxPK SOT-89 (3) 4.50 mm × 2.50 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Simplified Schematic VO Input IK VREF 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. TLVH431, TLVH431A, TLVH431B TLVH432, TLVH432A, TLVH432B SLVS555L – NOVEMBER 2004 – REVISED APRIL 2020 www.ti.com Table of Contents 1 2 3 4 5 6 7 8 Features .................................................................. Applications ........................................................... Description ............................................................. Revision History..................................................... Pin Configuration and Functions ......................... Specifications......................................................... 1 1 1 2 3 4 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 4 4 4 4 5 6 7 8 Absolute Maximum Ratings ...................................... ESD Ratings.............................................................. Recommended Operating Conditions....................... Thermal Information .................................................. TLVH43x Electrical Characteristics........................... TLVH43xA Electrical Characteristics ........................ TLVH43xB Electrical Characteristics ........................ Typical Characteristics .............................................. Parameter Measurement Information ................ 15 Detailed Description ............................................ 16 8.1 Overview ................................................................. 16 8.2 Functional Block Diagram ....................................... 16 8.3 Feature Description................................................. 17 8.4 Device Functional Modes........................................ 18 9 Applications and Implementation ...................... 19 9.1 Application Information............................................ 19 9.2 Typical Applications ................................................ 20 10 Power Supply Recommendations ..................... 24 11 Layout................................................................... 24 11.1 Layout Guidelines ................................................. 24 11.2 Layout Example .................................................... 24 12 Device and Documentation Support ................. 25 12.1 12.2 12.3 12.4 12.5 12.6 12.7 Documentation Support ........................................ Receiving Notification of Documentation Updates Community Resources.......................................... Related Links ........................................................ Trademarks ........................................................... Electrostatic Discharge Caution ............................ Glossary ................................................................ 25 25 25 25 25 25 25 13 Mechanical, Packaging, and Orderable Information ........................................................... 25 4 Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Revision K (September 2016) to Revision L Page • Added links to applications on TI.com ................................................................................................................................... 1 • Changed Thermal Information................................................................................................................................................ 4 • Changed load capacitance value to better reflect the device behavior................................................................................ 22 Changes from Revision J (January 2015) to Revision K Page • Changed data sheet title......................................................................................................................................................... 1 • Updated pinout images and Pin Functions table.................................................................................................................... 3 • Deleted D package from Pin Functions table ......................................................................................................................... 3 • Added Receiving Notification of Documentation Updates section and Community Resources section .............................. 25 Changes from Revision I (September 2009) to Revision J Page • Added Applications, Device Information table, Pin Functions table, ESD Ratings table, Thermal Information table, Typical Characteristics, Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information section. ................................................................................................. 1 • Deleted Ordering Information table. ....................................................................................................................................... 1 2 Submit Documentation Feedback Copyright © 2004–2020, Texas Instruments Incorporated Product Folder Links: TLVH431 TLVH431A TLVH431B TLVH432 TLVH432A TLVH432B TLVH431, TLVH431A, TLVH431B TLVH432, TLVH432A, TLVH432B www.ti.com SLVS555L – NOVEMBER 2004 – REVISED APRIL 2020 5 Pin Configuration and Functions TLVH431 DBV Package 5-Pin SOT-23 Top View NC 1 * 2 CATHODE 3 5 TLVH431 DBZ Package 3-Pin SOT-23 Top View ANODE REF 1 3 4 CATHODE REF ANODE 2 Not to scale Not to scale NC – No internal connection TLVH432 DBZ Package 3-Pin SOT-23 Top View * Pin 2 is attached to Substrate and must be connected to ANODE or left open. TLVH431 DCK Package 6-Pin SC70 Top View CATHODE 1 3 REF CATHODE 1 6 ANODE NC 2 5 NC REF 3 4 NC ANODE 2 Not to scale TLVH431 PK Package 3-Pin SOT-89 Top View Not to scale TLVH431 LP Package 3-Pin TO-92 Top View 1 CATHODE 2 ANODE 3 REF 3 CATHODE 2 ANODE 1 REF Not to scale TLVH432 PK Package 3-Pin SOT-89 Top View Not to scale 3 REF 2 ANODE 1 CATHODE Not to scale Pin Functions PIN NAME TLVH431 TLVH432 TYPE DESCRIPTION DBZ DBV LP DCK PK DBZ PK CATHODE 2 3 1 1 3 1 1 I/O REF 1 4 3 3 1 2 3 I Threshold relative to common anode ANODE 3 5 2 6 2 3 2 O Common pin, normally connected to ground NC — 1 — 2, 4, 5 — — — I No Internal Connection * — 2 — — — — — I Substrate Connection Copyright © 2004–2020, Texas Instruments Incorporated Shunt Current/Voltage input Submit Documentation Feedback Product Folder Links: TLVH431 TLVH431A TLVH431B TLVH432 TLVH432A TLVH432B 3 TLVH431, TLVH431A, TLVH431B TLVH432, TLVH432A, TLVH432B SLVS555L – NOVEMBER 2004 – REVISED APRIL 2020 www.ti.com 6 Specifications 6.1 Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted) (1) MIN VKA Cathode voltage (2) IK Cathode current Iref Reference current TJ Operating virtual junction temperature Tstg Storage temperature (1) (2) MAX UNIT 20 V –25 80 mA –0.05 3 mA 150 °C 150 °C –65 Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. Voltage values are with respect to the anode terminal, unless otherwise noted. 6.2 ESD Ratings VALUE Electrostatic discharge V(ESD) (1) (2) Human body model (HBM), per ANSI/ESDA/JEDEC JS-001 (1) ±2000 Charged device model (CDM), per JEDEC specification JESD22-C101 (2) ±1000 UNIT V JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process. JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process. 6.3 Recommended Operating Conditions See (1) VKA Cathode voltage IK Cathode current (continuous) TA Operating free-air temperature TLVH43x_C (1) MIN MAX VREF 18 V 0.1 70 mA 0 70 TLVH43x_I –40 85 TLVH43x_Q –40 125 UNIT °C Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient temperature is PD = (TJ(max) – TA) / θJA. Operating at the absolute maximum TJ of 150°C can affect reliability. 6.4 Thermal Information TLVH43xx THERMAL METRIC (1) DCK (SC70) PK (SOT-89) DBV (SOT-23) DBZ (SOT-23) LP (TO-92) UNIT 6 PINS 3 PINS 5 PINS 3 PINS 3 PINS RθJA Junction-to-ambient thermal resistance 259 52 206 206 140 °C/W RθJC(top) Junction-to-case (top) thermal resistance 87 9 131 76 55 °C/W (1) 4 For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report. Submit Documentation Feedback Copyright © 2004–2020, Texas Instruments Incorporated Product Folder Links: TLVH431 TLVH431A TLVH431B TLVH432 TLVH432A TLVH432B TLVH431, TLVH431A, TLVH431B TLVH432, TLVH432A, TLVH432B www.ti.com SLVS555L – NOVEMBER 2004 – REVISED APRIL 2020 6.5 TLVH43x Electrical Characteristics at 25°C free-air temperature (unless otherwise noted) PARAMETER TLVH431 TLVH432 TEST CONDITIONS TA = 25°C VREF VKA = VREF, IK = 10 mA Reference voltage TA = full range, See Figure 18 (1) TYP MAX 1.222 1.24 1.258 TLVH431C 1.21 1.27 TLVH431I 1.202 1.278 TLVH431Q 1.194 TLVH431C VREF(dev) VREF deviation over full temperature range (2) VKA = VREF, IK = 10 mA, See Figure 18 (1) UNIT MIN V 1.286 4 12 TLVH431I 6 20 TLVH431Q 11 31 –1.5 –2.7 mV/V 0.1 0.5 μA TLVH431C 0.05 0.3 TLVH431I 0.1 0.4 TLVH431Q 0.15 0.5 60 100 μA DVREF DVKA Ratio of VREF change to cathode voltage change IK = 10 mA, VK = VREF to 18 V, See Figure 19 Iref Reference terminal current IK = 10 mA, R1 = 10 kΩ, R2 = open, See Figure 19 Iref(dev) Iref deviation over full temperature range (2) IK = 10 mA, R1 = 10 kΩ, R2 = open, See Figure 19 (1) mV μA IK(min) Minimum cathode current for regulation VKA = VREF, See Figure 18 IK(off) Off-state cathode current VREF = 0, VKA = 18 V, See Figure 20 0.02 0.1 μA |zKA| Dynamic impedance (3) VKA = VREF, f ≤ 1 kHz, IK = 0.1 mA to 70 mA, See Figure 18 0.25 0.4 Ω (1) (2) (3) Full temperature ranges are –40°C to +125°C for TLVH431Q, –40°C to +85°C for TLVH431I, and 0°C to 70°C for TLVH431C. The deviation parameters VREF(dev) and Iref(dev) are defined as the differences between the maximum and minimum values obtained over the rated temperature range. The average full-range temperature coefficient of the reference input voltage, αVREF, is defined as: VREF(dev ) æ ö 6 ç ÷ ´ 10 æ ppm ö = è VREF (TA = 25°C ) ø aVREF ç ÷ DTA è °C ø where ΔTA is the rated operating free-air temperature range of the device. αVREF can be positive or negative, depending on whether minimum VREF or maximum VREF, respectively, occurs at the lower temperature. The dynamic impedance is defined as: DVKA zka = DIK When the device is operating with two external resistors (see Figure 19), the total dynamic impedance of the circuit is defined as: z ka ¢= DV DI » z ka æ è ´ ç1 + R1 ö ÷ R2 ø Copyright © 2004–2020, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TLVH431 TLVH431A TLVH431B TLVH432 TLVH432A TLVH432B 5 TLVH431, TLVH431A, TLVH431B TLVH432, TLVH432A, TLVH432B SLVS555L – NOVEMBER 2004 – REVISED APRIL 2020 www.ti.com 6.6 TLVH43xA Electrical Characteristics at 25°C free-air temperature (unless otherwise noted) PARAMETER TLVH431A TLVH432A TEST CONDITIONS TA = 25°C VREF VKA = VREF, IK = 10 mA Reference voltage TA = full range, See Figure 18 (1) TYP MAX 1.228 1.24 1.252 TLVH431AC 1.221 1.259 TLVH431AI 1.215 1.265 TLVH431AQ 1.209 TLVH431AC VREF(dev) VREF deviation over full temperature range (2) VKA = VREF, IK = 10 mA, See Figure 18 (1) UNIT MIN V 1.271 4 12 TLVH431AI 6 20 TLVH431AQ 11 31 –1.5 –2.7 mV/V 0.1 0.5 μA TLVH431AC 0.05 0.3 TLVH431AI 0.1 0.4 TLVH431AQ 0.15 0.5 60 100 μA DVREF DVKA Ratio of VREF change to cathode voltage change VK = VREF to 18 V, IK = 10 mA, See Figure 19 Iref Reference terminal current IK = 10 mA, R1 = 10 kΩ, R2 = open, See Figure 19 Iref(dev) Iref deviation over full temperature range (2) IK = 10 mA, R1 = 10 kΩ, R2 = open, See Figure 19 (1) mV μA IK(min) Minimum cathode current for regulation VKA = VREF, See Figure 18 IK(off) Off-state cathode current VREF = 0, VKA = 18 V, See Figure 20 0.02 0.1 μA |zKA| Dynamic impedance (3) VKA = VREF, f ≤ 1 kHz, IK = 0.1 mA to 70 mA, See Figure 18 0.25 0.4 Ω (1) (2) (3) Full temperature ranges are –40°C to +125°C for TLVH431Q, –40°C to +85°C for TLVH431I, and 0°C to 70°C for TLVH431C. The deviation parameters VREF(dev) and Iref(dev) are defined as the differences between the maximum and minimum values obtained over the rated temperature range. The average full-range temperature coefficient of the reference input voltage, αVREF, is defined as: VREF(dev ) æ ö 6 ç ÷ ´ 10 æ ppm ö = è VREF (TA = 25°C ) ø aVREF ç ÷ DTA è °C ø where ΔTA is the rated operating free-air temperature range of the device. αVREF can be positive or negative, depending on whether minimum VREF or maximum VREF, respectively, occurs at the lower temperature. The dynamic impedance is defined as: DVKA zka = DIK When the device is operating with two external resistors (see Figure 19), the total dynamic impedance of the circuit is defined as: z ka 6 ¢= DV DI » z ka æ è ´ ç1 + R1 ö ÷ R2 ø Submit Documentation Feedback Copyright © 2004–2020, Texas Instruments Incorporated Product Folder Links: TLVH431 TLVH431A TLVH431B TLVH432 TLVH432A TLVH432B TLVH431, TLVH431A, TLVH431B TLVH432, TLVH432A, TLVH432B www.ti.com SLVS555L – NOVEMBER 2004 – REVISED APRIL 2020 6.7 TLVH43xB Electrical Characteristics at 25°C free-air temperature (unless otherwise noted) PARAMETER TLVH431B TLVH432B TEST CONDITIONS TA = 25°C VREF VKA = VREF, IK = 10 mA Reference voltage TA = full range, See Figure 18 (1) TYP MAX 1.234 1.24 1.246 TLVH431BC 1.227 1.253 TLVH431BI 1.224 1.259 TLVH431BQ 1.221 TLVH431BC VREF(dev) VREF deviation over full temperature range (2) VKA = VREF, IK = 10 mA, See Figure 18 (1) UNIT MIN V 1.265 4 12 TLVH431BI 6 20 TLVH431BQ 11 31 –1.5 –2.7 mV/V 0.1 0.5 μA TLVH431BC 0.05 0.3 TLVH431BI 0.1 0.4 TLVH431BQ 0.15 0.5 60 100 μA DVREF DVKA Ratio of VREF change to cathode voltage change IK = 10 mA, VK = VREF to 18 V, See Figure 19 Iref Reference terminal current IK = 10 mA, R1 = 10 kΩ, R2 = open, See Figure 19 Iref(dev) Iref deviation over full temperature range (2) IK = 10 mA, R1 = 10 kΩ, R2 = open, See Figure 19 (1) mV μA IK(min) Minimum cathode current for regulation VKA = VREF, See Figure 18 IK(off) Off-state cathode current VREF = 0, VKA = 18 V, See Figure 20 0.02 0.1 μA VKA = VREF, f ≤ 1 kHz, IK = 0.1 mA to 70 mA, See Figure 18 0.25 0.4 Ω |zKA| (1) (2) (3) Dynamic impedance (3) Full temperature ranges are –40°C to +125°C for TLVH431Q, –40°C to +85°C for TLVH431I, and 0°C to 70°C for TLVH431C. The deviation parameters VREF(dev) and Iref(dev) are defined as the differences between the maximum and minimum values obtained over the rated temperature range. The average full-range temperature coefficient of the reference input voltage, αVREF, is defined as: VREF(dev ) æ ö 6 ç ÷ ´ 10 = ° V T 25 C ( ) ppm æ ö = è REF A ø aVREF ç ÷ DTA è °C ø where ΔTA is the rated operating free-air temperature range of the device. αVREF can be positive or negative, depending on whether minimum VREF or maximum VREF, respectively, occurs at the lower temperature. The dynamic impedance is defined as: DVKA zka = DIK When the device is operating with two external resistors (see Figure 19), the total dynamic impedance of the circuit is defined as: z ka ¢= DV DI » z ka æ è ´ ç1 + R1 ö ÷ R2 ø Copyright © 2004–2020, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TLVH431 TLVH431A TLVH431B TLVH432 TLVH432A TLVH432B 7 TLVH431, TLVH431A, TLVH431B TLVH432, TLVH432A, TLVH432B SLVS555L – NOVEMBER 2004 – REVISED APRIL 2020 www.ti.com 6.8 Typical Characteristics Operation of the device at these or any other conditions beyond those indicated in the Recommended Operating Conditions table are not implied. 250 1.254 IK = 10 mA I ref − Reference Input Current − nA V ref − Reference Voltage − V 1.250 1.248 1.246 1.244 1.242 1.240 1.238 −50 IK = 10 mA R1 = 10 kΩ R2 = Open 230 1.252 210 190 170 150 130 110 90 70 −25 0 25 50 75 100 125 50 −50 150 −25 0 TJ − Junction Temperature − °C Figure 1. Reference Voltage vs Junction Temperature 250 VKA = VREF TA = 25°C 75 100 125 150 VKA = VREF TA = 25°C 200 10 150 ~ ~ I K − Cathode Current − µ A I K − Cathode Current − mA 50 Figure 2. Reference Input Current vs Junction Temperature 70 ~ ~ 25 TJ − Junction Temperature − °C 5 0 −5 100 50 0 −50 −100 −150 −10 − 200 −15 −1 −0.5 0 0.5 1 VKA − Cathode Voltage − V − 250 −1 1.5 120 115 110 105 100 95 90 85 80 75 70 65 60 55 -40 4000 -20 0 20 40 60 80 Temperature (qC) 100 120 140 Figure 5. Minimum Cathode Current vs. Temperature 8 1.5 Figure 4. Cathode Current vs Cathode Voltage IK(off) − Off-State Cathode Current − nA Ik(min) Figure 3. Cathode Current vs Cathode Voltage −0.5 0 0.5 1 VKA − Cathode Voltage − V Submit Documentation Feedback VKA = 5 V VREF = 0 3500 3000 2500 2000 1500 1000 500 0 −50 −25 0 25 50 75 100 125 150 TJ − Junction Temperature − °C Figure 6. Off-State Cathode Current vs Junction Temperature Copyright © 2004–2020, Texas Instruments Incorporated Product Folder Links: TLVH431 TLVH431A TLVH431B TLVH432 TLVH432A TLVH432B TLVH431, TLVH431A, TLVH431B TLVH432, TLVH432A, TLVH432B www.ti.com SLVS555L – NOVEMBER 2004 – REVISED APRIL 2020 Typical Characteristics (continued) Operation of the device at these or any other conditions beyond those indicated in the Recommended Operating Conditions table are not implied. 0.025 −0.1 IK = 1 mA IK = 10 mA ΔVKA = VREF to 18 V −0.2 V ref− % Percentage Change in Vref ΔVref/ ΔV KA − Ratio of Delta Reference Voltage to Delta Cathode Voltage − mV/V 0 0.0 −0.3 −0.4 −0.5 −0.6 −0.7 −0.8 0 % Change (avg) − 0.025 % Change (3δ) − 0.05 − 0.075 − 0.1 −0.9 −1 −1.0 −50 % Change (−3δ) −25 0 25 50 75 100 125 − 0.125 150 0 10 20 30 40 50 60 Operating Life at 55°C − kh(1) TJ − Junction Temperature − °C (1) Extrapolated from life-test data taken at 125°C; the activation energy assumed is 0.7 eV. Figure 7. Ratio of Delta Reference Voltage to Delta Cathode Voltage vs Junction Temperature Figure 8. Percentage Change in VREF vs Operating Life at 55°C EQUIVALENT INPUT NOISE VOLTAGE vs FREQUENCY 3V Vn − Equivalent Input Noise Voltage − (nV/ Hz) 350 VKA = VREF IK = 1 mA TA = 25°C 1 kW 300 + 470 mF 750 W 2200 mF + 250 TLVH431 TLVH432 TLE2027 + _ TP 820 W 160 kW 160 W 200 150 10 TEST CIRCUIT FOR EQUIVALENT INPUT NOISE VOLTAGE 100 10 k 1k f – Frequency – (Hz) 100 k Figure 9. Equivalent Input Noise Voltage Copyright © 2004–2020, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TLVH431 TLVH431A TLVH431B TLVH432 TLVH432A TLVH432B 9 TLVH431, TLVH431A, TLVH431B TLVH432, TLVH432A, TLVH432B SLVS555L – NOVEMBER 2004 – REVISED APRIL 2020 www.ti.com Typical Characteristics (continued) Operation of the device at these or any other conditions beyond those indicated in the Recommended Operating Conditions table are not implied. EQUIVALENT INPUT NOISE VOLTAGE OVER A 10-S PERIOD Vn − Equivalent Input Noise Voltage − (mV) 10 f = 0.1 Hz to 10 Hz IK = 1 mA TA = 25°C 8 6 4 2 0 −2 −4 −6 −8 −10 0 2 4 8 6 10 t − Time − (s) 3V 1 kW + 470 mF 0.47 mF 750 W 2200 mF + 820 W TLVH431 TLVH432 TLE2027 10 kW + _ 160 kW 10 kW TLE2027 + _ TP 2.2 mF + 1 mF CRO 1 MW 33 kW 16 W 0.1 mF 33 kW TEST CIRCUIT FOR 0.1-Hz TO 10-Hz EQUIVALENT NOISE VOLTAGE Figure 10. Equivalent Input Noise Voltage 10 Submit Documentation Feedback Copyright © 2004–2020, Texas Instruments Incorporated Product Folder Links: TLVH431 TLVH431A TLVH431B TLVH432 TLVH432A TLVH432B TLVH431, TLVH431A, TLVH431B TLVH432, TLVH432A, TLVH432B www.ti.com SLVS555L – NOVEMBER 2004 – REVISED APRIL 2020 Typical Characteristics (continued) Operation of the device at these or any other conditions beyond those indicated in the Recommended Operating Conditions table are not implied. 0° 80 IK = 10 mA TA = 25°C 70 36° 60 72° 50 108° 40 144° 30 180° Phase Shift A V − Small-Signal Voltage Gain/Phase Margin − (dB) SMALL-SIGNAL VOLTAGE GAIN /PHASE MARGIN vs FREQUENCY Output 6.8 kW IK 180 W 10 mF 5V 4.3 kW 20 10 GND 0 −10 −20 100 TEST CIRCUIT FOR VOLTAGE GAIN AND PHASE MARGIN 1k 10 k 100 k 1M f − Frequency − (Hz) Figure 11. Voltage Gain and Phase Margin PULSE RESPONSE 1 3.5 3 Input and Output Voltage − V R = 18 kΩ TA = 25°C Input 18 kΩ Output 2.5 Ik 2 1.5 Pulse Generator f = 100 kHz Output 50 Ω 1 GND 0.5 0 TEST CIRCUIT FOR PULSE RESPONSE 1 − 0.5 0 1 2 3 4 5 6 7 8 t − Time − µs Figure 12. Pulse Response 1 Copyright © 2004–2020, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TLVH431 TLVH431A TLVH431B TLVH432 TLVH432A TLVH432B 11 TLVH431, TLVH431A, TLVH431B TLVH432, TLVH432A, TLVH432B SLVS555L – NOVEMBER 2004 – REVISED APRIL 2020 www.ti.com Typical Characteristics (continued) Operation of the device at these or any other conditions beyond those indicated in the Recommended Operating Conditions table are not implied. PULSE RESPONSE 2 3.5 3 Input and Output Voltage − V R = 1.8 kΩ TA = 25°C Input 1.8 kΩ Output 2.5 IK 2 1.5 Pulse Generator f = 100 kHz Output 50 Ω 1 GND 0.5 0 TEST CIRCUIT FOR PULSE RESPONSE 2 − 0.5 0 1 2 3 4 5 6 7 8 t − Time − µs Figure 13. Pulse Response 2 30 kW IK 50 W 100 µF I2 CL I1 Figure 14. Phase Margin Test Circuit 12 Submit Documentation Feedback Copyright © 2004–2020, Texas Instruments Incorporated Product Folder Links: TLVH431 TLVH431A TLVH431B TLVH432 TLVH432A TLVH432B TLVH431, TLVH431A, TLVH431B TLVH432, TLVH432A, TLVH432B www.ti.com SLVS555L – NOVEMBER 2004 – REVISED APRIL 2020 Typical Characteristics (continued) Operation of the device at these or any other conditions beyond those indicated in the Recommended Operating Conditions table are not implied. IK Figure 15. Phase Margin vs Capacitive Load VKA = VREF (1.25 V), TA= 25°C IK Figure 16. Phase Margin vs Capacitive Load VKA = 2.50 V, TA= 25°C Copyright © 2004–2020, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TLVH431 TLVH431A TLVH431B TLVH432 TLVH432A TLVH432B 13 TLVH431, TLVH431A, TLVH431B TLVH432, TLVH432A, TLVH432B SLVS555L – NOVEMBER 2004 – REVISED APRIL 2020 www.ti.com Typical Characteristics (continued) Operation of the device at these or any other conditions beyond those indicated in the Recommended Operating Conditions table are not implied. IK Figure 17. Phase Margin vs Capacitive Load VKA = 5.00 V, TA= 25°C 14 Submit Documentation Feedback Copyright © 2004–2020, Texas Instruments Incorporated Product Folder Links: TLVH431 TLVH431A TLVH431B TLVH432 TLVH432A TLVH432B TLVH431, TLVH431A, TLVH431B TLVH432, TLVH432A, TLVH432B www.ti.com SLVS555L – NOVEMBER 2004 – REVISED APRIL 2020 7 Parameter Measurement Information Input VO IK VREF Figure 18. Test Circuit for VKA = VREF, VO = VKA = VREF Input VO IK R1 R2 Iref VREF Figure 19. Test Circuit for VKA > VREF, VO = VKA = VREF × (1 + R1/R2) + Iref × R1 Input VO IK(off) Figure 20. Test Circuit for IK(off) Copyright © 2004–2020, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TLVH431 TLVH431A TLVH431B TLVH432 TLVH432A TLVH432B 15 TLVH431, TLVH431A, TLVH431B TLVH432, TLVH432A, TLVH432B SLVS555L – NOVEMBER 2004 – REVISED APRIL 2020 www.ti.com 8 Detailed Description 8.1 Overview TLVH431 is a low power counterpart to TL431, having lower reference voltage (1.24 V versus 2.5 V) for lower voltage adjustability and lower minimum cathode current (Ik(min)= 100 µA versus 1 mA). Like TL431, TLVH431 is used in conjunction with its key components to behave as a single voltage reference, error amplifier, voltage clamp or comparator with integrated reference. TLVH431 is also a higher voltage counterpart to TLV431, with cathode voltage adjustability from 1.24 V to 18 V, making this part optimum for a wide range of end equipments in industrial, auto, telecom and computing. In order for this device to behave as a shunt regulator or error amplifier, >100 µA (Imin(max)) must be supplied in to the cathode pin. Under this condition, feedback can be applied from the Cathode and Ref pins to create a replica of the internal reference voltage. Various reference voltage options can be purchased with initial tolerances (at 25°C) of 0.5%, 1%, and 1.5%. These reference options are denoted by B (0.5%), A (1.0%) and blank (1.5%) after the TLVH431. The TLVH431xC devices are characterized for operation from 0°C to 70°C, the TLVH431xI devices are characterized for operation from –40°C to +85°C, and the TLVH431xQ devices are characterized for operation from –40°C to +125°C. 8.2 Functional Block Diagram CATHODE REF + − VREF = 1.24 V ANODE Figure 21. Equivalent Schematic 16 Submit Documentation Feedback Copyright © 2004–2020, Texas Instruments Incorporated Product Folder Links: TLVH431 TLVH431A TLVH431B TLVH432 TLVH432A TLVH432B TLVH431, TLVH431A, TLVH431B TLVH432, TLVH432A, TLVH432B www.ti.com SLVS555L – NOVEMBER 2004 – REVISED APRIL 2020 Functional Block Diagram (continued) Cathode REF Anode Figure 22. Detailed Schematic 8.3 Feature Description TLVH431 consists of an internal reference and amplifier that outputs a sink current base on the difference between the reference pin and the virtual internal pin. The sink current is produced by an internal Darlington pair. When operated with enough voltage headroom (≥ 1.24 V) and cathode current (Ika), TLVH431 forces the reference pin to 1.24 V. However, the reference pin can not be left floating, as it needs Iref ≥ 0.5 µA (see Specifications). This is because the reference pin is driven into an NPN, which needs base current in order operate properly. When feedback is applied from the Cathode and Reference pins, TLVH431 behaves as a Zener diode, regulating to a constant voltage dependent on current being supplied into the cathode. This is due to the internal amplifier and reference entering the proper operating regions. The same amount of current needed in the above feedback situation must be applied to this device in open loop, servo or error amplifying implementations in order for it to be in the proper linear region giving TLVH431 enough gain. Unlike many linear regulators, TLVH431 is internally compensated to be stable without an output capacitor between the cathode and anode. However, if it is desired to use an output capacitor Figure 15, Figure 16, and Figure 17 can be used as a guide to assist in choosing the correct capacitor to maintain stability. Copyright © 2004–2020, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TLVH431 TLVH431A TLVH431B TLVH432 TLVH432A TLVH432B 17 TLVH431, TLVH431A, TLVH431B TLVH432, TLVH432A, TLVH432B SLVS555L – NOVEMBER 2004 – REVISED APRIL 2020 www.ti.com 8.4 Device Functional Modes 8.4.1 Open Loop (Comparator) When the cathode/output voltage or current of TLVH431 is not being fed back to the reference/input pin in any form, this device is operating in open loop. With proper cathode current (Ika) applied to this device, TLVH431 has the characteristics shown in Figure 4. With such high gain in this configuration, the TLVH431 device is typically used as a comparator. With the reference integrated makes TLVH431 the preferred choice when users are trying to monitor a certain level of a single signal. 8.4.2 Closed Loop When the cathode/output voltage or current of TLVH431 is being fed back to the reference/input pin in any form, this device is operating in closed loop. The majority of applications involving TLVH431 use it in this manner to regulate a fixed voltage or current. The feedback enables this device to behave as an error amplifier, computing a portion of the output voltage and adjusting it to maintain the desired regulation. This is done by relating the output voltage back to the reference pin in a manner to make it equal to the internal reference voltage, which can be accomplished through resistive or direct feedback. 18 Submit Documentation Feedback Copyright © 2004–2020, Texas Instruments Incorporated Product Folder Links: TLVH431 TLVH431A TLVH431B TLVH432 TLVH432A TLVH432B TLVH431, TLVH431A, TLVH431B TLVH432, TLVH432A, TLVH432B www.ti.com SLVS555L – NOVEMBER 2004 – REVISED APRIL 2020 9 Applications and Implementation NOTE Information in the following applications sections is not part of the TI component specification, and TI does not warrant its accuracy or completeness. TI’s customers are responsible for determining suitability of components for their purposes. Customers should validate and test their design implementation to confirm system functionality. 9.1 Application Information Figure 23 shows the TLVH431, TLVH431A, or TLVH431B used in a 3.3-V isolated flyback supply. Output voltage VO can be as low as reference voltage VREF (1.24 V ± 1%). The output of the regulator, plus the forward voltage drop of the optocoupler LED (1.24 + 1.4 = 2.64 V), determine the minimum voltage that can be regulated in an isolated supply configuration. Regulated voltage as low as 2.7 Vdc is possible in the topology shown in Figure 23. The TLVH431 family of devices are prevalent in these applications, being designers go to choice for secondary side regulation. Due to this prevalence, this section explains operation and design in both states of TLVH431 that this application will see, open loop (Comparator + VREF) and closed loop (Shunt Regulator). Further information about system stability and using a TLVH431 device for compensation see Compensation Design With TL431 for UCC28600, SLUA671. ~ VI 120 V − + P ~ VO 3.3 V P P Gate Drive VCC Controller VFB TLVH431 Current Sense GND P P P P Figure 23. Flyback With Isolation Using TLVH431 or TLVH432 as Voltage Reference and Error Amplifier Copyright © 2004–2020, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TLVH431 TLVH431A TLVH431B TLVH432 TLVH432A TLVH432B 19 TLVH431, TLVH431A, TLVH431B TLVH432, TLVH432A, TLVH432B SLVS555L – NOVEMBER 2004 – REVISED APRIL 2020 www.ti.com 9.2 Typical Applications 9.2.1 Comparator With Integrated Reference (Open Loop) Vsup Rsup Vout CATHODE R1 RIN VIN REF VL + R2 1.24 V ANODE Figure 24. Comparator Application Schematic 9.2.1.1 Design Requirements For this design example, use the parameters listed in Table 1 as the input parameters. Table 1. Design Parameters DESIGN PARAMETER EXAMPLE VALUE Input Voltage Range 0 V to 5 V Input Resistance 10 kΩ Supply Voltage 9V Cathode Current (Ik) 500 µA Output Voltage Level ~1 V - Vsup Logic Input Thresholds VIH/VIL VL 9.2.1.2 Detailed Design Procedure When using TLVH431 as a comparator with reference, determine the following: • Input voltage range • Reference voltage accuracy • Output logic input high and low level thresholds • Current source resistance 9.2.1.2.1 Basic Operation In the configuration shown in Figure 24, TLVH431 behaves as a comparator, comparing the Vref pin voltage to the internal virtual reference voltage. When provided a proper cathode current (Ik), TLVH431 will have enough open loop gain to provide a quick response. With the TLVH431's max Operating Current (Imin) being 100 uA and up to 150 uA over temperature, operation below that could result in low gain, leading to a slow response. 20 Submit Documentation Feedback Copyright © 2004–2020, Texas Instruments Incorporated Product Folder Links: TLVH431 TLVH431A TLVH431B TLVH432 TLVH432A TLVH432B TLVH431, TLVH431A, TLVH431B TLVH432, TLVH432A, TLVH432B www.ti.com SLVS555L – NOVEMBER 2004 – REVISED APRIL 2020 9.2.1.2.2 Overdrive Slow or inaccurate responses can also occur when the reference pin is not provided enough overdrive voltage. This is the amount of voltage that is higher than the internal virtual reference. The internal virtual reference voltage will be within the range of 1.24 V ±(0.5%, 1.0% or 1.5%) depending on which version is being used. The more overdrive voltage provided, the faster the TLVH431 will respond. See figures Figure 25 and Figure 26, for the output responses to various input voltages. For applications where TLVH431 is being used as a comparator, it is best to set the trip point to greater than the positive expected error (that is, +1.0% for the A version). For fast response, setting the trip point to > 10% of the internal Vref should suffice. For minimal voltage drop or difference from Vin to the ref pin, it is recommended to use an input resistor 5° to guarantee stability of the TLVH431. Voltage (V) 9.2.2.3 Application Curve 6.5 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 -0.5 -1E-6 Vsup Vka=Vref R1=10k: & R2=10k: 1E-6 3E-6 5E-6 Time (s) 7E-6 9E-6 D001 Figure 28. TLVH431 Start-up Response Copyright © 2004–2020, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TLVH431 TLVH431A TLVH431B TLVH432 TLVH432A TLVH432B 23 TLVH431, TLVH431A, TLVH431B TLVH432, TLVH432A, TLVH432B SLVS555L – NOVEMBER 2004 – REVISED APRIL 2020 www.ti.com 10 Power Supply Recommendations When using TLVH431 as a Linear Regulator to supply a load, designers will typically use a bypass capacitor on the output/cathode pin. When doing this, be sure that the capacitance is within the stability criteria shown in Figure 15, Figure 16, and Figure 17. To not exceed the maximum cathode current, be sure that the supply voltage is current limited. Also, limit the current being driven into the Ref pin, as not to exceed its absolute maximum rating. For applications shunting high currents, pay attention to the cathode and anode trace lengths, adjusting the width of the traces to have the proper current density. 11 Layout 11.1 Layout Guidelines Place decoupling capacitors as close to the device as possible. Use appropriate widths for traces when shunting high currents to avoid excessive voltage drops. 11.2 Layout Example DBZ (TOP VIEW) Rref Vin REF 1 Rsup Vsup ANODE 3 CATHODE GND 2 CL GND Figure 29. DBZ Layout example 24 Submit Documentation Feedback Copyright © 2004–2020, Texas Instruments Incorporated Product Folder Links: TLVH431 TLVH431A TLVH431B TLVH432 TLVH432A TLVH432B TLVH431, TLVH431A, TLVH431B TLVH432, TLVH432A, TLVH432B www.ti.com SLVS555L – NOVEMBER 2004 – REVISED APRIL 2020 12 Device and Documentation Support 12.1 Documentation Support 12.1.1 Related Documentation For related documentation see the following: • , Compensation Design With TL431 for UCC28600SLUA671 • Setting the Shunt Voltage on an Adjustable Shunt Regulator,SLVA445 12.2 Receiving Notification of Documentation Updates To receive notification of documentation updates, navigate to the device product folder on ti.com. In the upper right corner, click on Alert me to register and receive a weekly digest of any product information that has changed. For change details, review the revision history included in any revised document. 12.3 Community Resources TI E2E™ support forums are an engineer's go-to source for fast, verified answers and design help — straight from the experts. Search existing answers or ask your own question to get the quick design help you need. Linked content is provided "AS IS" by the respective contributors. They do not constitute TI specifications and do not necessarily reflect TI's views; see TI's Terms of Use. 12.4 Related Links The table below lists quick access links. Categories include technical documents, support and community resources, tools and software, and quick access to sample or buy. Table 3. Related Links PARTS PRODUCT FOLDER SAMPLE & BUY TECHNICAL DOCUMENTS TOOLS & SOFTWARE SUPPORT & COMMUNITY TLVH431 Click here Click here Click here Click here Click here TLVH431A Click here Click here Click here Click here Click here TLVH431B Click here Click here Click here Click here Click here TLVH432 Click here Click here Click here Click here Click here TLVH432A Click here Click here Click here Click here Click here TLVH432B Click here Click here Click here Click here Click here 12.5 Trademarks E2E is a trademark of Texas Instruments. All other trademarks are the property of their respective owners. 12.6 Electrostatic Discharge Caution These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. 12.7 Glossary SLYZ022 — TI Glossary. This glossary lists and explains terms, acronyms, and definitions. 13 Mechanical, Packaging, and Orderable Information The following pages include mechanical packaging and orderable information. This information is the most current data available for the designated devices. This data is subject to change without notice and revision of this document. For browser based versions of this data sheet, refer to the left hand navigation. Copyright © 2004–2020, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TLVH431 TLVH431A TLVH431B TLVH432 TLVH432A TLVH432B 25 PACKAGE OPTION ADDENDUM www.ti.com 22-Oct-2022 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Pins Package Drawing Qty Eco Plan (2) Lead finish/ Ball material MSL Peak Temp Op Temp (°C) Device Marking (3) Samples (4/5) (6) TLVH431ACDBVR ACTIVE SOT-23 DBV 5 3000 RoHS & Green NIPDAU | SN Level-1-260C-UNLIM 0 to 70 (Y3PG, Y3PJ, Y3PU) Samples TLVH431ACDBVRG4 ACTIVE SOT-23 DBV 5 3000 RoHS & Green NIPDAU Level-1-260C-UNLIM 0 to 70 Y3PG Samples TLVH431ACDBVT ACTIVE SOT-23 DBV 5 250 RoHS & Green NIPDAU | SN Level-1-260C-UNLIM 0 to 70 (Y3PG, Y3PJ, Y3PU) Samples TLVH431ACDBZR ACTIVE SOT-23 DBZ 3 3000 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM 0 to 70 (Y3PS, Y3PU) Samples TLVH431ACDBZT ACTIVE SOT-23 DBZ 3 250 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM 0 to 70 (Y3PS, Y3PU) Samples TLVH431ACDCKR ACTIVE SC70 DCK 6 3000 RoHS & Green NIPDAU Level-1-260C-UNLIM 0 to 70 YPU Samples TLVH431ACDCKT ACTIVE SC70 DCK 6 250 RoHS & Green NIPDAU Level-1-260C-UNLIM 0 to 70 YPU Samples TLVH431ACLP ACTIVE TO-92 LP 3 1000 RoHS & Green SN N / A for Pkg Type 0 to 70 ZA431A Samples TLVH431ACLPR ACTIVE TO-92 LP 3 2000 RoHS & Green SN N / A for Pkg Type 0 to 70 ZA431A Samples TLVH431ACPK ACTIVE SOT-89 PK 3 1000 RoHS & Green SN Level-2-260C-1 YEAR 0 to 70 W2 Samples TLVH431AIDBVR ACTIVE SOT-23 DBV 5 3000 RoHS & Green NIPDAU | SN Level-1-260C-UNLIM -40 to 85 (Y3TJ, Y3TU) Samples TLVH431AIDBVT ACTIVE SOT-23 DBV 5 250 RoHS & Green NIPDAU | SN Level-1-260C-UNLIM -40 to 85 (Y3TJ, Y3TU) Samples TLVH431AIDBZR ACTIVE SOT-23 DBZ 3 3000 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM -40 to 85 (Y3T3, Y3TS, Y3TU) Samples TLVH431AIDBZRG4 ACTIVE SOT-23 DBZ 3 3000 RoHS & Green Level-1-260C-UNLIM -40 to 85 (Y3T3, Y3TS, Y3TU) Samples TLVH431AIDBZT ACTIVE SOT-23 DBZ 3 250 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM -40 to 85 (Y3TS, Y3TU) Samples TLVH431AIDCKR ACTIVE SC70 DCK 6 3000 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 YTU Samples TLVH431AIDCKT ACTIVE SC70 DCK 6 250 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 YTU Samples TLVH431AILP ACTIVE TO-92 LP 3 1000 RoHS & Green SN N / A for Pkg Type -40 to 85 ZB431A Samples TLVH431AILPR ACTIVE TO-92 LP 3 2000 RoHS & Green SN N / A for Pkg Type -40 to 85 ZB431A Samples Addendum-Page 1 NIPDAUAG PACKAGE OPTION ADDENDUM www.ti.com Orderable Device 22-Oct-2022 Status (1) Package Type Package Pins Package Drawing Qty Eco Plan (2) Lead finish/ Ball material MSL Peak Temp Op Temp (°C) Device Marking (3) Samples (4/5) (6) TLVH431AIPK ACTIVE SOT-89 PK 3 1000 RoHS & Green SN Level-2-260C-1 YEAR -40 to 85 W3 Samples TLVH431AIPKG3 ACTIVE SOT-89 PK 3 1000 RoHS & Green SN Level-2-260C-1 YEAR -40 to 85 W3 Samples TLVH431AQDBVR ACTIVE SOT-23 DBV 5 3000 RoHS & Green NIPDAU | SN Level-1-260C-UNLIM -40 to 125 (Y3NJ, Y3NU) Samples TLVH431AQDBVT ACTIVE SOT-23 DBV 5 250 RoHS & Green NIPDAU | SN Level-1-260C-UNLIM -40 to 125 (Y3NJ, Y3NU) Samples TLVH431AQDBZR ACTIVE SOT-23 DBZ 3 3000 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM -40 to 125 (Y3NS, Y3NU) Samples TLVH431AQDBZRG4 ACTIVE SOT-23 DBZ 3 3000 RoHS & Green Level-1-260C-UNLIM -40 to 125 (Y3NS, Y3NU) Samples TLVH431AQDBZT ACTIVE SOT-23 DBZ 3 250 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM -40 to 125 (Y3NS, Y3NU) Samples TLVH431AQDCKR ACTIVE SC70 DCK 6 3000 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 125 YNU Samples TLVH431AQDCKT ACTIVE SC70 DCK 6 250 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 125 YNU Samples TLVH431AQLP ACTIVE TO-92 LP 3 1000 RoHS & Green SN N / A for Pkg Type -40 to 125 ZD431A Samples TLVH431AQLPR ACTIVE TO-92 LP 3 2000 RoHS & Green SN N / A for Pkg Type -40 to 125 ZD431A Samples TLVH431AQPK ACTIVE SOT-89 PK 3 1000 RoHS & Green SN Level-2-260C-1 YEAR -40 to 125 VD Samples TLVH431AQPKG3 ACTIVE SOT-89 PK 3 1000 RoHS & Green SN Level-2-260C-1 YEAR -40 to 125 VD Samples TLVH431BCDBVR ACTIVE SOT-23 DBV 5 3000 RoHS & Green NIPDAU | SN Level-1-260C-UNLIM 0 to 70 (Y3JJ, Y3JU) Samples TLVH431BCDBVT ACTIVE SOT-23 DBV 5 250 RoHS & Green NIPDAU | SN Level-1-260C-UNLIM 0 to 70 (Y3JJ, Y3JU) Samples TLVH431BCDBZR ACTIVE SOT-23 DBZ 3 3000 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM 0 to 70 (Y3J3, Y3JS, Y3JU) Samples TLVH431BCDBZRG4 ACTIVE SOT-23 DBZ 3 3000 RoHS & Green Level-1-260C-UNLIM 0 to 70 (Y3J3, Y3JS, Y3JU) Samples TLVH431BCDBZT ACTIVE SOT-23 DBZ 3 250 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM 0 to 70 (Y3JS, Y3JU) Samples TLVH431BCDBZTG4 ACTIVE SOT-23 DBZ 3 250 RoHS & Green NIPDAUAG Level-1-260C-UNLIM 0 to 70 Y3JS Samples TLVH431BCDCKR ACTIVE SC70 DCK 6 3000 RoHS & Green NIPDAU Level-1-260C-UNLIM 0 to 70 YHU Samples TLVH431BCDCKT ACTIVE SC70 DCK 6 250 RoHS & Green NIPDAU Level-1-260C-UNLIM 0 to 70 YHU Samples NIPDAUAG Addendum-Page 2 NIPDAUAG PACKAGE OPTION ADDENDUM www.ti.com Orderable Device 22-Oct-2022 Status (1) Package Type Package Pins Package Drawing Qty Eco Plan (2) Lead finish/ Ball material MSL Peak Temp Op Temp (°C) Device Marking (3) Samples (4/5) (6) TLVH431BCLP ACTIVE TO-92 LP 3 1000 RoHS & Green SN N / A for Pkg Type 0 to 70 ZA431B Samples TLVH431BCLPR ACTIVE TO-92 LP 3 2000 RoHS & Green SN N / A for Pkg Type 0 to 70 ZA431B Samples TLVH431BCPK ACTIVE SOT-89 PK 3 1000 RoHS & Green SN Level-2-260C-1 YEAR 0 to 70 V7 Samples TLVH431BIDBVR ACTIVE SOT-23 DBV 5 3000 RoHS & Green NIPDAU | SN Level-1-260C-UNLIM -40 to 85 (Y3KJ, Y3KU) Samples TLVH431BIDBVT ACTIVE SOT-23 DBV 5 250 RoHS & Green NIPDAU | SN Level-1-260C-UNLIM -40 to 85 (Y3KJ, Y3KU) Samples TLVH431BIDBZR ACTIVE SOT-23 DBZ 3 3000 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM -40 to 85 (Y3K3, Y3KS, Y3KU) Samples TLVH431BIDBZRG4 ACTIVE SOT-23 DBZ 3 3000 RoHS & Green Level-1-260C-UNLIM -40 to 85 Y3KS Samples TLVH431BIDBZT ACTIVE SOT-23 DBZ 3 250 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM -40 to 85 (Y3KS, Y3KU) Samples TLVH431BIDCKR ACTIVE SC70 DCK 6 3000 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 YJU Samples TLVH431BIDCKT ACTIVE SC70 DCK 6 250 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 YJU Samples TLVH431BILP ACTIVE TO-92 LP 3 1000 RoHS & Green SN N / A for Pkg Type -40 to 85 ZB431B Samples TLVH431BILPR ACTIVE TO-92 LP 3 2000 RoHS & Green SN N / A for Pkg Type -40 to 85 ZB431B Samples TLVH431BIPK ACTIVE SOT-89 PK 3 1000 RoHS & Green SN Level-2-260C-1 YEAR -40 to 85 V8 Samples TLVH431BIPKG3 ACTIVE SOT-89 PK 3 1000 RoHS & Green SN Level-2-260C-1 YEAR -40 to 85 V8 Samples TLVH431BQDBVR ACTIVE SOT-23 DBV 5 3000 RoHS & Green NIPDAU | SN Level-1-260C-UNLIM -40 to 125 (Y3LJ, Y3LU) Samples TLVH431BQDBVT ACTIVE SOT-23 DBV 5 250 RoHS & Green NIPDAU | SN Level-1-260C-UNLIM -40 to 125 (Y3LJ, Y3LU) Samples TLVH431BQDBZR ACTIVE SOT-23 DBZ 3 3000 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM -40 to 125 (Y3LS, Y3LU) Samples TLVH431BQDBZRG4 ACTIVE SOT-23 DBZ 3 3000 RoHS & Green Level-1-260C-UNLIM -40 to 125 Y3LS Samples TLVH431BQDBZT ACTIVE SOT-23 DBZ 3 250 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM -40 to 125 (Y3LS, Y3LU) Samples TLVH431BQDCKR ACTIVE SC70 DCK 6 3000 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 125 YKU Samples TLVH431BQDCKT ACTIVE SC70 DCK 6 250 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 125 YKU Samples NIPDAUAG Addendum-Page 3 NIPDAUAG PACKAGE OPTION ADDENDUM www.ti.com 22-Oct-2022 Orderable Device Status (1) Package Type Package Pins Package Drawing Qty Eco Plan (2) Lead finish/ Ball material MSL Peak Temp Op Temp (°C) Device Marking (3) Samples (4/5) (6) TLVH431BQLP ACTIVE TO-92 LP 3 1000 RoHS & Green SN N / A for Pkg Type -40 to 125 ZD431B Samples TLVH431BQLPR ACTIVE TO-92 LP 3 2000 RoHS & Green SN N / A for Pkg Type -40 to 125 ZD431B Samples TLVH431BQPK ACTIVE SOT-89 PK 3 1000 RoHS & Green SN Level-2-260C-1 YEAR -40 to 125 V9 Samples TLVH431CDBVR ACTIVE SOT-23 DBV 5 3000 RoHS & Green NIPDAU | SN Level-1-260C-UNLIM 0 to 70 (Y3UJ, Y3UU) Samples TLVH431CDBVT ACTIVE SOT-23 DBV 5 250 RoHS & Green NIPDAU | SN Level-1-260C-UNLIM 0 to 70 (Y3UJ, Y3UU) Samples TLVH431CDBZR ACTIVE SOT-23 DBZ 3 3000 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM 0 to 70 (Y3US, Y3UU) Samples TLVH431CDBZRG4 ACTIVE SOT-23 DBZ 3 3000 RoHS & Green Level-1-260C-UNLIM 0 to 70 (Y3US, Y3UU) Samples TLVH431CDBZT ACTIVE SOT-23 DBZ 3 250 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM 0 to 70 (Y3US, Y3UU) Samples TLVH431CDBZTG4 ACTIVE SOT-23 DBZ 3 250 RoHS & Green NIPDAUAG Level-1-260C-UNLIM 0 to 70 Y3US Samples TLVH431CDCKT ACTIVE SC70 DCK 6 250 RoHS & Green NIPDAU Level-1-260C-UNLIM 0 to 70 YUU Samples TLVH431CLP ACTIVE TO-92 LP 3 1000 RoHS & Green SN N / A for Pkg Type 0 to 70 ZA431 Samples TLVH431CLPE3 ACTIVE TO-92 LP 3 1000 RoHS & Green SN N / A for Pkg Type 0 to 70 ZA431 Samples TLVH431CLPR ACTIVE TO-92 LP 3 2000 RoHS & Green SN N / A for Pkg Type 0 to 70 ZA431 Samples TLVH431CPK ACTIVE SOT-89 PK 3 1000 RoHS & Green SN Level-2-260C-1 YEAR 0 to 70 W4 Samples TLVH431CPKG3 ACTIVE SOT-89 PK 3 1000 RoHS & Green SN Level-2-260C-1 YEAR 0 to 70 W4 Samples TLVH431IDBVR ACTIVE SOT-23 DBV 5 3000 RoHS & Green NIPDAU | SN Level-1-260C-UNLIM -40 to 85 (Y3VJ, Y3VU) Samples TLVH431IDBVT ACTIVE SOT-23 DBV 5 250 RoHS & Green NIPDAU | SN Level-1-260C-UNLIM -40 to 85 (Y3VJ, Y3VU) Samples TLVH431IDBZR ACTIVE SOT-23 DBZ 3 3000 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM -40 to 85 (Y3VS, Y3VU) Samples TLVH431IDBZRG4 ACTIVE SOT-23 DBZ 3 3000 RoHS & Green Level-1-260C-UNLIM -40 to 85 (Y3VS, Y3VU) Samples TLVH431IDBZT ACTIVE SOT-23 DBZ 3 250 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM -40 to 85 (Y3VS, Y3VU) Samples TLVH431IDCKR ACTIVE SC70 DCK 6 3000 RoHS & Green Level-1-260C-UNLIM -40 to 85 YVU Samples NIPDAUAG Addendum-Page 4 NIPDAUAG NIPDAU PACKAGE OPTION ADDENDUM www.ti.com 22-Oct-2022 Orderable Device Status (1) Package Type Package Pins Package Drawing Qty Eco Plan (2) Lead finish/ Ball material MSL Peak Temp Op Temp (°C) Device Marking (3) Samples (4/5) (6) TLVH431IDCKT ACTIVE SC70 DCK 6 250 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 YVU Samples TLVH431ILP ACTIVE TO-92 LP 3 1000 RoHS & Green SN N / A for Pkg Type -40 to 85 ZB431 Samples TLVH431ILPR ACTIVE TO-92 LP 3 2000 RoHS & Green SN N / A for Pkg Type -40 to 85 ZB431 Samples TLVH431IPK ACTIVE SOT-89 PK 3 1000 RoHS & Green SN Level-2-260C-1 YEAR -40 to 85 W5 Samples TLVH431QDBVR ACTIVE SOT-23 DBV 5 3000 RoHS & Green NIPDAU | SN Level-1-260C-UNLIM -40 to 125 (Y3MJ, Y3MU) Samples TLVH431QDBVT ACTIVE SOT-23 DBV 5 250 RoHS & Green NIPDAU | SN Level-1-260C-UNLIM -40 to 125 (Y3MJ, Y3MU) Samples TLVH431QDBZR ACTIVE SOT-23 DBZ 3 3000 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM -40 to 125 (Y3MS, Y3MU) Samples TLVH431QDBZT ACTIVE SOT-23 DBZ 3 250 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM -40 to 125 (Y3MS, Y3MU) Samples TLVH431QDBZTG4 ACTIVE SOT-23 DBZ 3 250 RoHS & Green NIPDAUAG Level-1-260C-UNLIM -40 to 125 Y3MS Samples TLVH431QDCKR ACTIVE SC70 DCK 6 3000 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 125 YMU Samples TLVH431QDCKT ACTIVE SC70 DCK 6 250 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 125 YMU Samples TLVH431QLP ACTIVE TO-92 LP 3 1000 RoHS & Green SN N / A for Pkg Type -40 to 125 ZD431 Samples TLVH431QLPR ACTIVE TO-92 LP 3 2000 RoHS & Green SN N / A for Pkg Type -40 to 125 ZD431 Samples TLVH431QPK ACTIVE SOT-89 PK 3 1000 RoHS & Green SN Level-2-260C-1 YEAR -40 to 125 VC Samples TLVH432ACDBZR ACTIVE SOT-23 DBZ 3 3000 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM 0 to 70 (Y2ES, Y2EU) Samples TLVH432ACDBZRG4 ACTIVE SOT-23 DBZ 3 3000 RoHS & Green Level-1-260C-UNLIM 0 to 70 Y2ES Samples TLVH432ACDBZT ACTIVE SOT-23 DBZ 3 250 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM 0 to 70 (Y2ES, Y2EU) Samples TLVH432AIDBZR ACTIVE SOT-23 DBZ 3 3000 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM -40 to 85 (Y2FS, Y2FU) Samples TLVH432AIPK ACTIVE SOT-89 PK 3 1000 RoHS & Green Level-2-260C-1 YEAR -40 to 85 VL Samples TLVH432AQDBZR ACTIVE SOT-23 DBZ 3 3000 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM -40 to 125 (Y2GS, Y2GU) Samples TLVH432AQDBZT ACTIVE SOT-23 DBZ 3 250 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM -40 to 125 (Y2GS, Y2GU) Samples Addendum-Page 5 NIPDAUAG SN PACKAGE OPTION ADDENDUM www.ti.com 22-Oct-2022 Orderable Device Status (1) Package Type Package Pins Package Drawing Qty Eco Plan (2) Lead finish/ Ball material MSL Peak Temp Op Temp (°C) Device Marking (3) Samples (4/5) (6) TLVH432BCDBZR ACTIVE SOT-23 DBZ 3 3000 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM 0 to 70 (Y2HS, Y2HU) Samples TLVH432BCDBZRG4 ACTIVE SOT-23 DBZ 3 3000 RoHS & Green NIPDAUAG Level-1-260C-UNLIM 0 to 70 Y2HS Samples TLVH432BCPK ACTIVE SOT-89 PK 3 1000 RoHS & Green SN Level-2-260C-1 YEAR 0 to 70 VN Samples TLVH432BIDBZR ACTIVE SOT-23 DBZ 3 3000 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM -40 to 85 (Y2JS, Y2JU) Samples TLVH432BQDBZR ACTIVE SOT-23 DBZ 3 3000 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM -40 to 125 (Y2KS, Y2KU) Samples TLVH432BQDBZT ACTIVE SOT-23 DBZ 3 250 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM -40 to 125 (Y2KS, Y2KU) Samples TLVH432CDBZR ACTIVE SOT-23 DBZ 3 3000 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM 0 to 70 (Y2AS, Y2AU) Samples TLVH432CDBZT ACTIVE SOT-23 DBZ 3 250 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM 0 to 70 (Y2AS, Y2AU) Samples TLVH432CPK ACTIVE SOT-89 PK 3 1000 RoHS & Green Level-2-260C-1 YEAR 0 to 70 VG Samples TLVH432IDBZR ACTIVE SOT-23 DBZ 3 3000 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM -40 to 85 (Y2BS, Y2BU) Samples TLVH432QDBZR ACTIVE SOT-23 DBZ 3 3000 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM -40 to 125 (Y2DS, Y2DU) Samples TLVH432QDBZT ACTIVE SOT-23 DBZ 3 250 RoHS & Green NIPDAU | NIPDAUAG Level-1-260C-UNLIM -40 to 125 (Y2DS, Y2DU) Samples TLVH432QPK ACTIVE SOT-89 PK 3 1000 RoHS & Green SN Level-2-260C-1 YEAR -40 to 125 VJ Samples TLVH432QPKG3 ACTIVE SOT-89 PK 3 1000 RoHS & Green SN Level-2-260C-1 YEAR -40 to 125 VJ Samples SN (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may reference these types of products as "Pb-Free". RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption. Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of
TLVH431BQDCKT
物料型号: - TLVH431, TLVH431A, TLVH431B - TLVH432, TLVH432A, TLVH432B

器件简介: TLVH431和TLVH432系列是低压3端可调精密分流调节器,具有在工业和商业温度范围内规定的热稳定性。输出电压可以在VREF(1.24V)到18V之间设置,通过两个外部电阻器进行调整。这些设备比广泛使用的TL431和TL1431分流调节器参考电压更低(1.24V)。

引脚分配: - 阴极(CATHODE):分流电流/电压输入 - 参考(REF):相对于公共阳极的阈值 - 阳极(ANODE):通常连接到地的公共引脚

参数特性: - 工作电压低至1.24V - 可调输出电压:VO = VREF至18V - 宽操作阴极电流范围:100μA至70mA - 典型输出阻抗:0.25Ω - 工作温度范围:-40°C至+125°C

功能详解: TLVH431和TLVH432设备在与光耦合器一起使用时,非常适合用于3V至3.3V开关模式电源的隔离反馈电路中的电压参考。它们具有典型的输出阻抗为0.25Ω,主动输出电路提供了非常锐利的开启特性,使TLVH431和TLVH432设备成为低电压齐纳二极管在许多应用中的优秀替代品,包括板上调节和可调电源。

应用信息: - 数据转换器的可调电压参考 - 反激式SMPS的次级侧调节 - 具有低漏电流的齐纳替代 - 电源轨的电压监测

封装信息: - SOT-23(5) - SOT-23(3) - SC70(6) - TO-92(3) - SOT-89(3)
TLVH431BQDCKT 价格&库存

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TLVH431BQDCKT
  •  国内价格 香港价格
  • 250+6.54899250+0.81240
  • 500+6.24710500+0.77495
  • 750+6.09580750+0.75618
  • 1250+5.928091250+0.73538
  • 1750+5.830131750+0.72323
  • 2500+5.735852500+0.71153
  • 6250+5.532806250+0.68635
  • 12500+5.4104312500+0.67117

库存:2940