RTQ2569-33GQW-QA

RTQ2569-QA 36V, 2A IQ, Peak 200mA, Low Dropout Voltage Linear Regulator The RTQ2569 is a high input voltage (36V), low quiescent current (2A), low-dropout linear regulator (LDO) capable of sourcing peak 200mA. The device supports high input voltage with few component makes it Features      easy to use.  The high input voltage, low dropout voltage, ultra-low quiescent current, and miniaturized package as low as 2A, the RTQ2569 is ideally suited for automotive and other battery operated system. The RTQ2569 retains all of the features that are common to low-dropout, short circuit protection and thermal operation. The RTQ2569 has 36V maximum operating voltage limit 40°C to 125°C operating temperature range. The RTQ2569 is available in WDFN-8L 3x3 package. Applications        Automotive Always On Power Portable, Battery Powered Equipments Extra Low Voltage Microcontrollers Notebook Computers E-Meters Handset Peripherals     AEC-Q100 Grade 1 Qualified Ultra low Quiescent Current 2A (typ.) ±2% Output Accuracy 100mA Continuous Output Current Operating Input Voltage : 3.5V to 36V Low dropout voltage : 200mV at 10mA Fixed Output Voltage : 2.5V to 12V with 0.1V Per Step Current Limit Protection Over-Temperature Protection RoHS Compliant and Halogen Free Quiescent Current vs. Temperature 6 Quiescent Current (μA) General Description 5 4 VCC = 36V 3 VCC = 14V 2 1 VOUT = 3.3V 0 -50 -25 0 25 50 75 100 125 Temperature (°C) Note : Richtek products are :  RoHS compliant and compatible with the current requirements of IPC/JEDEC J-STD-020.  Suitable for use in SnPb or Pb-free soldering processes. Copyright © 2020 Richtek Technology Corporation. All rights reserved. DSQ2569-QA-02 November 2020 is a registered trademark of Richtek Technology Corporation. www.richtek.com 1 RTQ2569-QA Ordering Information Pin Configuration (TOP VIEW) Grade QA : AEC-Q100 Qualified and Screened by High Temperature VCC NC GND NC Package Type QW : WDFN-8L 3x3 (W-Type) Lead Plating System G : Green (Halogen Free and Pb Free) 8 1 3 GND -QA RTQ2569- 6 4 9 5 2 7 EN NC VOUT NC WDFN-8L 3x3 Output Voltage 25 : 2.5V 30 : 3V 33 : 3.3V 50 : 5V 70 : 7V 80 : 8V 90 : 9V C0 : 12V Special Request: Any Voltage between 2.5V and 12V under specific business agreement Marking Information For marking information, contact our sales representative directly or through a Richtek distributor located in your area. Functional Pin Description Pin No. Pin Name Pin Function VCC Power input. The input voltage range is from 3.5V to 36V. Connect a suitable input capacitor between this pin and GND, usually 1F ceramic capacitors. NC No internal connection. 3, 9 (Exposed Pad) GND Ground. The exposed pad must be soldered to a large PCB and connected to GND for maximum thermal dissipation. 6 VOUT Output of the regulator. 8 EN Enable control input. A logic-high enables the converter; a logic-low forces the device into shutdown mode. 1 2, 4, 5, 7 Copyright © 2020 Richtek Technology Corporation. All rights reserved. www.richtek.com 2 is a registered trademark of Richtek Technology Corporation. DSQ2569-QA-02 November 2020 RTQ2569-QA Functional Block Diagram VCC VOUT Current/Thermal Sense + R1 - GND R2 Band Gap Reference EN Operation The RTQ2569 ultra low quiescent current regulator is ideally suited for automotive and other battery operated systems, with less than 2A quiescent current at a 10mA load. The device features low dropout voltage and low current in the standby mode and retains all of the features that are common to low dropout regulators including a low dropout P-MOSFET, over current protect circuit protection and thermal shutdown. The RTQ2569 has a 36V maximum operating voltage limit and ±2% output voltage tolerance over temperature range. Output Transistor The RTQ2569 builds in a P-MOSFET output transistor which provides a low switch-on resistance for low dropout voltage applications. Error Amplifier The Error Amplifier compares the internal reference voltage with the output feedback voltage from the internal divider, and controls the Gate voltage of P-MOSFET to support good line regulation and load regulation at output voltage. Copyright © 2020 Richtek Technology Corporation. All rights reserved. DSQ2569-QA-02 November 2020 Enable The RTQ2569 provides an EN pin, as an external chip enable control, to enable or disable the device. If VEN is held below a logic-low threshold voltage (VIL) of the enable input (EN), the converter will enter into shutdown mode, that is, the converter is disabled. Current Limit Protection Over-current protection of the RTQ2569 prevents IC damaged and reduces the thermal effects by overload conditions. When an overload or short circuit is happen, the device will shut down to prevent IC damaged. IC recovery when overload or short circuit is removed. Over-Temperature Protection The RTQ2569 includes an over-temperature protection (OTP) circuitry to prevent overheating due to excessive power dissipation. The OTP will shut down operation when junction temperature exceeds a thermal shutdown threshold 150°C (typ.). Once the junction temperature cools down by a thermal shutdown hysteresis 20°C, the IC will resume normal operation with a complete soft-start. is a registered trademark of Richtek Technology Corporation. www.richtek.com 3 RTQ2569-QA Absolute Maximum Ratings (Note 1)  VCC, EN to GND ---------------------------------------------------------------------------------------------------- 0.3V to 40V  VOUT to VCC -------------------------------------------------------------------------------------------------------- 40V to 0.3V  VOUT to GND RTQ2569-90/RTQ2569-C0 -------------------------------------------------------------------------------------- 0.3V to 15V RTQ2569-25/RTQ2569-30/RTQ2569-33/RTQ2569-50 --------------------------------------------------- 0.3V to 6V  Power Dissipation, PD @ TA = 25°C WDFN-8L 3x3 --------------------------------------------------------------------------------------------------------- 1.38W  Package Thermal Resistance (Note 2) WDFN-8L 3x3, JA ------------------------------------------------------------------------------------------------- 72.5°C/W WDFN-8L 3x3, JC ------------------------------------------------------------------------------------------------- 23.04°C/W  Lead Temperature (Soldering, 10 sec.) -------------------------------------------------------------------------260C  Junction Temperature -----------------------------------------------------------------------------------------------150C  Storage Temperature Range ---------------------------------------------------------------------------------------65C to 150C  ESD Susceptibility (Note 3) HBM (Human Body Model) ---------------------------------------------------------------------------------------- 2kV Recommended Operating Conditions (Note 4)  Supply Input Voltage --------------------------------------------------------------------------------------------------3.5V to 36V  Junction Temperature Range ---------------------------------------------------------------------------------------40C to 125C  Ambient Temperature Range----------------------------------------------------------------------------------------40C to 125C Electrical Characteristics (CIN = 1F, TJ = 40C to 125C, unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Supply Voltage VCC 3.5 -- 36 V Output Voltage Range VOUT 2.5 -- 12 V DC Output Accuracy VOUT VCC = 15V, ILOAD = 10mA 2 -- +2 % Dropout Voltage VDROP VCC = 3.5V, VOUT  3.5V, ILOAD = 10mA VCC = VOUT, VOUT  3.5V, ILOAD = 10mA -- 0.2 0.36 V VCC Consumption Current IQ VCC = VEN = 15V, VOUT  5.5V, ILOAD = 0mA -- 2 3.5 A VCC = VEN = 15V, VOUT  5.5V, ILOAD = 0mA -- 3.5 5 A Shutdown GND Current VCC = 36V, VEN = 0V, VOUT = 0V, 40°C  TJ  105°C -- 0.01 0.2 A Shutdown GND Current VCC = 36V, VEN = 0V, VOUT = 0V, 105°C  TJ  125°C -- 0.2 0.4 A VEN = 36V -- 0.01 0.1 A EN Input Current IEN Copyright © 2020 Richtek Technology Corporation. All rights reserved. www.richtek.com 4 is a registered trademark of Richtek Technology Corporation. DSQ2569-QA-02 November 2020 RTQ2569-QA Parameter Symbol VLINE Line Regulation Test Conditions Min Typ Max VOUT + 1 < VCC < 36V, VOUT  3.3V, ILOAD = 1mA -- 0.04 0.5 VOUT + 1 < VCC < 36V, VOUT  3.3V, ILOAD = 1mA -- 0.04 0.6 Unit % Load Regulation VLOAD VCC = VOUT + 4V, 0mA < ILOAD < 100mA, 40°C  TJ  105°C -- -- 1 % Load Regulation VLOAD VCC = VOUT + 4V, 0mA < ILOAD < 100mA, 105°C  TJ  125°C -- -- 1.5 % Output Current Limit ILIM VCC = VOUT + 6V, VOUT  5.5V VCC = VOUT + 3V, VOUT  5.5V 200 275 350 mA Enable Input Voltage Logic-High VIH 1.7 -- -- Logic-Low VIL -- -- 0.5 -- 150 -- °C -- 20 -- °C Thermal Shutdown Temperature TSD ILOAD = 30mA, Thermal Shutdown Hysteresis TSD Note 5 (Note 5) V Note 1. Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions may affect device reliability. Note 2. JA is measured under natural convection (still air) at TA = 25C on a high effective-thermal-conductivity two-layer test board in size of 70mm x 50mm with 1oz copper thickness. JC is measured at the exposed pad of the package. Note 3. Devices are ESD sensitive. Handling precaution is recommended. Note 4. The device is not guaranteed to function outside its operating conditions. Note 5. Guarantee by design. Copyright © 2020 Richtek Technology Corporation. All rights reserved. DSQ2569-QA-02 November 2020 is a registered trademark of Richtek Technology Corporation. www.richtek.com 5 RTQ2569-QA Typical Application Circuit RTQ2569 8 EN VCC 3.5V to 36V 1 EN VOUT VCC 6 CIN 1μF VOUT COUT (Effective Capacitance  1μF) GND 3, 9 (Exposed Pad) Required for stability. COUT must be at least 1F for the RTQ2569 capacitance must be maintained over entire expected operating temperature range, and located as close as possible to the regulator. Note : All input and output capacitance in the suggested parameter mean the effective capacitance. The effective capacitance needs to consider any De-rating Effect like DC bias. Copyright © 2020 Richtek Technology Corporation. All rights reserved. www.richtek.com 6 is a registered trademark of Richtek Technology Corporation. DSQ2569-QA-02 November 2020 RTQ2569-QA Typical Operating Characteristics (VCC = 14V, CIN = 1F, COUT = 1F, VEN = VCC, TA = 25°C, unless otherwise noted.) Output Voltage vs. Input Voltage Output Voltage vs. Input Voltage 3.6 6 3.3 5 2.7 Output Voltage (V) Output Voltage (V) 3.0 2.4 2.1 1.8 1.5 1.2 0.9 4 3 2 1 0.6 0.3 VOUT = 5V, ILOAD = 0A VOUT = 3.3V, ILOAD = 0A 0 0.0 0 3 6 9 0 12 15 18 21 24 27 30 33 36 3 6 9 12 15 18 21 24 27 30 33 36 Input Voltage (V) Input Voltage (V) Output Voltage vs. Temperature 5.30 3.38 5.25 3.36 5.20 VCC = 14V, ILOAD = 0.1mA 5.15 VCC = 14V, ILOAD = 20mA Output Voltage (V) Output Voltage (V) Output Voltage vs. Temperature 3.40 3.34 3.32 3.30 3.28 VCC = 14V, ILOAD = 0.1mA 3.26 VCC = 14V, ILOAD = 20mA 3.24 VCC = 36V, ILOAD = 0.1mA 3.22 VCC = 36V, ILOAD = 20mA VCC = 36V, ILOAD = 0.1mA 5.10 VCC = 36V, ILOAD = 20mA 5.05 5.00 4.95 4.90 4.85 VOUT = 3.3V 3.20 VOUT = 5V 4.80 -50 -25 0 25 50 75 100 125 -50 -25 0 25 50 75 100 125 Temperature (°C) Temperature (°C) Output Voltage vs. Output Current Output Voltage vs. Output Current 3.40 5.3 3.38 5.2 Output Voltage (V) Output Voltage (V) 3.36 3.34 3.32 3.30 3.28 VCC = 14V 3.26 VCC = 24V 3.24 5.1 5.0 VCC = 14V 4.9 VCC = 24V 4.8 3.22 VOUT = 3.3V VOUT = 5V 4.7 3.20 0 0.02 0.04 0.06 0.08 Output Current (A) Copyright © 2020 Richtek Technology Corporation. All rights reserved. DSQ2569-QA-02 November 2020 0.1 0 0.02 0.04 0.06 0.08 0.1 Output Current (A) is a registered trademark of Richtek Technology Corporation. www.richtek.com 7 RTQ2569-QA Dropout Voltage vs. Output Current Ground Current vs. Output Current 5.0 300 250 4.0 Ground Current (μA) Dropout Voltage (V) 4.5 3.5 3.0 125°C 25°C 40°C 2.5 2.0 1.5 1.0 125°C 85°C 25°C 40°C 200 150 100 50 0.5 VOUT = 5V, VCC = VEN = 9V VOUT = 5V 0 0.0 0 20 40 60 80 0 100 0.02 0.04 0.08 0.1 Output Current (A) Output Current (mA) SHDN GND Current vs. Temperature SHDN GND Current vs. Temperature 0.50 0.50 VOUT = 3.3V 0.40 0.35 0.30 0.25 0.20 0.15 VCC = 36V 0.10 VCC = 14V VOUT = 5V 0.45 SHDN GND Current (μA) 0.45 SHDN GND Current (μA) 0.06 0.40 0.35 0.30 0.25 0.20 0.15 VCC = 36V 0.10 VCC = 14V 0.05 0.05 0.00 0.00 -50 -25 0 25 50 75 100 -50 125 -25 0 25 50 75 100 Temperature (°C) Temperature (°C) Load Transient Response Load Transient Response 125 VOUT (0.1V/Div) VOUT (0.1V/Div) VCC = 14V, VOUT = 3.3V, IOUT = 10mA to 100mA IOUT (50mA/Div) IOUT (50mA/Div Time (500s/Div) Copyright © 2020 Richtek Technology Corporation. All rights reserved. www.richtek.com 8 VCC = 14V, VOUT = 5V, IOUT = 10mA to 100mA Time (500s/Div) is a registered trademark of Richtek Technology Corporation. DSQ2569-QA-02 November 2020 RTQ2569-QA Line Transient Response Line Transient Response VOUT (0.2V/Div) VOUT (0.2V/Div) VCC = 14V to 18V, VOUT = 5V, IOUT = 100mA VCC = 14V to 18V, VOUT = 3.3V, IOUT = 100mA VCC (2V/Div) VCC (2V/Div) Time (500s/Div) Time (500s/Div) Power On from EN Power On from EN VCC (10V/DiV) VCC (10V/DiV) VEN (2V/DiV) VEN (2V/DiV) VOUT (2V/DiV) VOUT (2V/DiV) IOUT (0.5A/DiV) VCC = 14V, VOUT = 3.3V, IOUT = 0A IOUT (0.5A/DiV) Time (20s/Div) Time (50s/Div) Power On from EN Power On from EN VCC (10V/DiV) VCC (10V/DiV) VCC = 14V, VOUT = 3.3V, IOUT = 100mA VCC = 14V, VOUT = 5V, IOUT = 100mA VEN (2V/DiV) VEN (2V/DiV) VOUT (2V/DiV) VOUT (5V/DiV) IOUT (50mA/DiV) IOUT (100mA/DiV) Time (20s/Div) Copyright © 2020 Richtek Technology Corporation. All rights reserved. DSQ2569-QA-02 VCC = 14V, VOUT = 5V, IOUT = 0A November 2020 Time (20s/Div) is a registered trademark of Richtek Technology Corporation. www.richtek.com 9 RTQ2569-QA Power On from VCC Power On from VCC VCC (10V/DiV) VCC (10V/DiV) VEN (2V/DiV) VEN (2V/DiV) VOUT (2V/DiV) VOUT (2V/DiV) IOUT (50mA/DiV) VCC (10V/DiV) VEN (2V/DiV) IOUT (50mA/DiV) VCC = 14V, VOUT = 3.3V, IOUT = 0A VCC = 14V, VOUT = 5V, IOUT = 0A Time (5ms/Div) Time (5ms/Div) Power On from VCC Power On from VCC VCC (10V/DiV) VEN (2V/DiV) VCC = 14V, VOUT = 3.3V, IOUT = 100mA VCC = 14V, VOUT = 5V, IOUT = 100mA VOUT (5V/DiV) VOUT (2V/DiV) IOUT (100mA/DiV) IOUT (50mA/DiV) Time (100ms/Div) Time (100ms/Div) PSRR vs. Frequency PSRR vs. Frequency 100 80 80 COUT = 1μF 60 PSRR (dB) PSRR (dB) 100 COUT = 10μF 40 COUT = 10μF COUT = 1μF 60 40 20 20 VCC = 14V, VOUT = 5V, IOUT = 100mA VCC = 14V, VOUT = 3.3V, IOUT = 100mA 0 0 10 100 1K 10K 100K Frequency (Hz) Copyright © 2020 Richtek Technology Corporation. All rights reserved. www.richtek.com 10 1M 10 100 1K 10K 100K 1M Frequency (Hz) is a registered trademark of Richtek Technology Corporation. DSQ2569-QA-02 November 2020 Output Spectral Noise Density 1000 100 10 1 0.1 0.01 VCC = 14V, V OUT = 3.3V, IOUT = 100mA 0.001 10 100 1K 10K 100K 1M Output Spectral Noise Density (μV/√ Hz) Output Spectral Noise Density (μV/√ Hz) RTQ2569-QA Output Spectral Noise Density 1000 100 10 1 0.1 0.01 VCC = 14V, VOUT = 5V, IOUT = 100mA 0.001 10 100 1K Frequency (Hz) 100K 1M Quiescent Current vs. Temperature 6 5 5 Quiescent Current (μA) Quiescent Current (μA) Quiescent Current vs. Temperature 6 4 VCC = 36V 3 10K Frequency (Hz) VCC = 14V 2 4 VCC = 36V VCC = 14V 3 2 1 1 VOUT = 5V VOUT = 3.3V 0 0 -50 -25 0 25 50 75 100 Temperature (°C) 125 -50 -25 0 25 50 75 100 125 Temperature (°C) Clamped Load Dump VCC (5V/Div) VOUT AC-Coupled (20mV/Div) VCC = 13.5V to 36V, VOUT = 3.3V, IOUT = 0mA Time (100ms/Div) Copyright © 2020 Richtek Technology Corporation. All rights reserved. DSQ2569-QA-02 November 2020 is a registered trademark of Richtek Technology Corporation. www.richtek.com 11 RTQ2569-QA Application Information CIN and COUT Selection The RTQ2569 devices are stable with output capacitors with an effective capacitance of 1F. The maximum capacitance for stability is 66F. The effective capacitance is the minimum capacitance value of a capacitor after taking into account variations resulting from tolerances, temperature, and dc bias effects. X5R and X7R type ceramic capacitors are recommended because these capacitors have minimal variation in value and ESR over temperature. Although an input capacitor is not required for stability, good analog design practice is to connect a 1F capacitor from VCC to GND. This capacitor counteracts reactive input sources and improves transient response, input ripple, and PSRR. Dropout Voltage The dropout voltage refers to the voltage difference between the VCC and VOUT pins while operating at can be connect to the input supply VCC directly. For external timing control (e.g. RC), the EN pin can also be externally pull to High by adding a 100k or greater resistor between the EN pin and the VCC pin. For power sequence condition, the VCC should be power on first. Because the device does not feature UVLO input function, the EN pin threshold will be different when VCC input voltage is below 2.5V. For example, if provide the EN voltage of 1V and then provide the VCC voltage of 1V (EN threshold voltage is 0.42V at VCC of 1V), the output voltage will be close to VCC voltage (1V). Please refer to the enable threshold voltage vs input voltage in Figure 1. Enable Threshold Voltage vs. Input Voltage 2.0 Enable Threshold Voltage (V) The RTQ2569 is a low quiescent current, low dropout voltage linear regulator. The RTQ2569 has a 36V maximum operating voltage limit, a 40°C to 125°C operating temperature range, and 2% output voltage tolerance over temperature range. 1.8 1.6 1.4 EN (Rising) EN (Falling) 1.2 1.0 0.8 0.6 0.4 0.2 0.0 0.5 1 1.5 2 2.5 3 3.5 Input Voltage (V) specific output current. The dropout voltage VDROP also can be expressed as the voltage drop on the pass-FET Figure 1. at specific output current (IRATED) while the pass-FET is fully operating at ohmic region and the pass-FET can Current Limit be characterized as an resistance RDS(ON). Thus the dropout voltage can be defined as (VDROP = VCC  VOUT = RDS(ON) x IRATED). The RTQ2569 continuously monitors the output current to protect the pass transistor against abnormal operations. When an overload or short circuit is encountered, the current limit circuitry controls the pass For normal operation, the suggested LDO operating range is (VCC  VOUT + VDROP) for good transient response and PSRR ability. Chip Enable Operation The EN pin is the chip enable input for normal operation condition VCC (3.5V to 36V). Pull the EN pin low (1.7V,