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RS431AA

RS431AA

  • 厂商:

    ORISTER

  • 封装:

  • 描述:

    RS431AA - Adjustable Precision Shunt Regulator - Orister Corporation

  • 数据手册
  • 价格&库存
RS431AA 数据手册
Page No. : 1/1 RS431 Series Adjustable Precision Shunt Regulator RS431 Series Pin Assignment 3 2 3-Lead Plastic SOT-23 Package Code: N Pin 1: Reference Pin 2: Cathode Pin 3: Anode Description The RS431 series are three-terminal adjustable regulators with guaranteed thermal stability over applicable temperature ranges. The output voltage may be set to any value between VREF (approximately 2.5 volts) and 36 volts with two external resistors. These devices have a typical dynamic output impedance of 0.2Ω. Active output circuitry provides a very sharp turn-on characteristic, making these devices excellent replacement for zener diodes in many applications. 1 12 3 3-Lead Plastic TO-92 Package Code: A Pin 1: Reference Pin 2: Anode Pin 3: Cathode Features • Programmable Precise Output Voltage from 2.5V to 36V • High Stability under Capacitive Load • Low Temperature Deviation: 4.5mV Typical • Low Dynamic Output Resistance: 0.2Ω Typical • Sink Current Capacity from 1mA to 100 mA • Low Output Noise • Wide Operating Range of -40 to 125 oC • Low Equivalent Full-range Temperature Coefficient with 20PPM/ oC Typical Absolute Maximum Ratings (Operating temperature range applies unless otherwise specified) Characteristics Cathode Voltage Cathode Current Range (Continuous) Reference Input Current Range Symbol VKA IK IREF TO-92 --Operating Temperature Range (Max.) Storage Temperature Range Topr Tstg -40~+125 * -65~+150 Value 40 -100~+150 0.05~+10 SOT-23 Power Dissipation PD 370 770 --o o Unit V mA mA mW C C Operating Conditions Characteristics Cathode Voltage Cathode Current Range (Continuous) Operating Ambient Temperature Range Symbol VKA IK Min. VREF 1 -40 Max. 36 100 125 Unit V mA o C DS-RS431-03 October, 2007 www.Orister.com Page No. : 2/2 Functional Block Diagram & Symbol Functional Block Diagram Symbol Cathode Reference Anode Test Circuits Fig 1. VK=VREF IN IREF IK VREF R2 VREF II VK Fig 2. VK>VREF IN R1 II VK IREF IK IOFF Fig 3. Off-State Current IN VK Note: VK=VREF (1+R1/R2)+IREFxR1 Electrical Characteristics (TA=25oC unless otherwise specified) Characteristics Reference Input Voltage (Fig1) 0.4% 0.8% Symbol VREF VREF(dev) ΔVREF / ΔVK IREF IREF(dev) IK(min) IK(off) ZK Test Conditions VK=VREF, IK=10mA VK=VREF, IK=10mA Tmin≤Ta≤Tmax (-40~+125℃) IK=10mA, ΔVK=10V to VREF IK=10mA, ΔVK=36V to 10V IK=10mA, R1=10kΩ, R2=∞ IK=10mA, R1=10kΩ, R2=∞, Ta=-40~+125 oC VK=VREF VK=36V, VREF=0 VK=VREF, f≤1kHz IK=1 to 100mA Min 2.49 2.48 Typ 2.50 2.50 4.5 1.0 0.5 0.7 0.4 0.4 0.05 0.15 Max 2.51 2.52 16 2.7 2.0 4 1.2 1.0 1.0 0.5 Unit V mV mV/V mV/V uA uA mA uA Ω Deviation of Reference Input Voltage Over-Temperature (Fig1) Ratio of Change in Reference Input Voltage to the Change in Cathode Voltage (Fig2) Reference Input Current (Fig2) Deviation of Reference Input Current Over Full Temperature Range (Fig2) Minimum Cathode Current for Regulation (Fig1) Off-State Cathode Current (Fig3) Dynamic Output Impedance (Fig1) DS-RS431-03 October, 2007 www.Orister.com Page No. : 3/3 Typical Performance Characteristics DS-RS431-03 October, 2007 www.Orister.com Page No. : 4/4 Typical Performance Characteristics (Continued) DS-RS431-03 October, 2007 www.Orister.com Page No. : 5/5 Typical Performance Characteristics (Continued) DS-RS431-03 October, 2007 www.Orister.com Page No. : 6/6 SOT-23 Dimension Marking: DIM A B C D G H J K L S V Min. 2.80 1.20 0.89 0.30 1.70 0.013 0.085 0.32 0.85 2.10 0.25 Max. 3.04 1.60 1.30 0.50 2.30 0.10 0.177 0.67 1.15 2.75 0.65 A L 431 BS Pb Free Mark Pb-Free: " " (Note) Normal: None 3 1 2 Note: Pb-free product can distinguish by the green label or the extra description on the right side of the label. Pin Style: 1.Reference 2.Cathode 3.Anode Material: • Lead solder plating: Sn60/Pb40 (Normal), Sn/3.0Ag/0.5Cu or Pure-Tin (Pb-free) • Mold Compound: Epoxy resin family, flammability solid burning class: UL94V-0 V G *: Typical, Unit: mm C D H K J 3-Lead SOT-23 Plastic Surface Mounted Package Package Code: N TO-92 Dimension α2 Marking: Pb Pb Free Mark Pb-Free: " . " (Note) Normal: None A B 1 2 3 RS 431 A Date Code Control Code α3 Note: Green label is used for pb-free packing C D Pin Style: 1.Reference 2.Anode 3.Cathode Material: • Lead solder plating: Sn60/Pb40 (Normal), Sn/3.0Ag/0.5Cu or Pure-Tin (Pb-free) • Mold Compound: Epoxy resin family, flammability solid burning class: UL94V-0 DIM A B C D E F G H I α1 α2 α3 Min. 4.33 4.33 12.70 0.36 3.36 0.36 - Max. 4.83 4.83 0.56 *1.27 3.76 0.56 *2.54 *1.27 *5° *2° *2° H I E F G *: Typical, Unit: mm α1 3-Lead TO-92 Plastic Package Package Code: A Ordering Information Package SOT-23 TO-92 VREF: 2.5±0.8% RS431BN RS431BA VREF: 2.5±0.4% RS431AN RS431AA DS-RS431-03 October, 2007 www.Orister.com Page No. : 7/7 Soldering Methods for Orister’s Products 1. Storage environment: Temperature=10oC~35oC Humidity=65%±15% 2. Reflow soldering of surface-mount devices Figure 1: Temperature profile tP TP Ramp-up TL Tsmax Temperature tL Critical Zone TL to TP Tsmin tS Preheat Ramp-down 25 t 25oC to Peak Time Profile Feature Average ramp-up rate (TL to TP) Preheat - Temperature Min (Tsmin) - Temperature Max (Tsmax) - Time (min to max) (ts) Tsmax to TL - Ramp-up Rate Time maintained above: - Temperature (TL) - Time (tL) Peak Temperature (TP) Time within 5oC of actual Peak Temperature (tP) Ramp-down Rate Time 25oC to Peak Temperature 3. Flow (wave) soldering (solder dipping) Products Pb devices. Pb-Free devices. Sn-Pb Eutectic Assembly
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