2 A, Low VIN, Low Noise, CMOS Linear Regulator Features: 2 A maximum output current Low input voltage supply range VIN = 1.10 V to 1.98 V, no external bias supply required Fixed output voltage range: VOUT_FIXED = 0.9 V to 1.5 V Adjustable output voltage range: VOUT_ADJ = 0.5 V to 1.5 V Ultralow noise: 2 μV rms, 100 Hz to 100 kHz Noise spectral density 4 nV/√Hz at 10 kHz 3 nV/√Hz at 100 kHz Low dropout voltage: 62 mV typical at 2 A load Operating supply current: 4.5 mA typical at no load ±1.5% fixed output voltage accuracy over line, load, and temperature Excellent power supply rejection ratio (PSRR) performance 62 dB typical at 10 kHz at 2 A load 46 dB typical at 100 kHz at 2 A load Excellent load/line transient response Soft start to reduce inrush current Optimized for small 10 μF ceramic capacitors Current-limit and thermal overload protection Power-good indicator Precision enable 16-lead, 3 mm × 3 mm LFCSP package AEC-Q100 qualified for automotive applications

2 A, Low VIN, Low Noise, CMOS Linear Regulator Features: 2 A maximum output current Low input voltage supply range VIN = 1.10 V to 1.98 V, no external bias supply required Fixed output voltage range: VOUT_FIXED = 0.9 V to 1.5 V Adjustable output voltage range: VOUT_ADJ = 0.5 V to 1.5 V Ultralow noise: 2 μV rms, 100 Hz to 100 kHz Noise spectral density 4 nV/√Hz at 10 kHz 3 nV/√Hz at 100 kHz Low dropout voltage: 62 mV typical at 2 A load Operating supply current: 4.5 mA typical at no load ±1.5% fixed output voltage accuracy over line, load, and temperature Excellent power supply rejection ratio (PSRR) performance 62 dB typical at 10 kHz at 2 A load 46 dB typical at 100 kHz at 2 A load Excellent load/line transient response Soft start to reduce inrush current Optimized for small 10 μF ceramic capacitors Current-limit and thermal overload protection Power-good indicator Precision enable 16-lead, 3 mm × 3 mm LFCSP package AEC-Q100 qualified for automotive applications

3 A, Low VIN, Low Noise, CMOS Linear Regulator Features: 3 A maximum output current Low input voltage supply range VIN = 1.10 V to 1.98 V, no external bias supply required Fixed output voltage range: VOUT_FIXED = 0.9 V to 1.5 V Adjustable output voltage range: VOUT_ADJ = 0.5 V to 1.5 V Ultralow noise: 2 μV rms, 100 Hz to 100 kHz Noise spectral density 4 nV/√Hz at 10 kHz 3 nV/√Hz at 100 kHz Low dropout voltage: 95 mV typical at 3 A load Operating supply current: 4.5 mA typical at no load ±1.5% fixed output voltage accuracy over line, load, and temperature Excellent power supply rejection ratio (PSRR) performance 59 dB typical at 10 kHz at 3 A load 43 dB typical at 100 kHz at 3 A load Excellent load/line transient response Soft start to reduce inrush current Optimized for small 10 μF ceramic capacitors Current-limit and thermal overload protection Power-good indicator Precision enable 16-lead, 3 mm × 3 mm LFCSP package AEC-Q100 qualified for automotive applications

3 A, Low VIN, Low Noise, CMOS Linear Regulator Features: 3 A maximum output current Low input voltage supply range VIN = 1.10 V to 1.98 V, no external bias supply required Fixed output voltage range: VOUT_FIXED = 0.9 V to 1.5 V Adjustable output voltage range: VOUT_ADJ = 0.5 V to 1.5 V Ultralow noise: 2 μV rms, 100 Hz to 100 kHz Noise spectral density 4 nV/√Hz at 10 kHz 3 nV/√Hz at 100 kHz Low dropout voltage: 95 mV typical at 3 A load Operating supply current: 4.5 mA typical at no load ±1.5% fixed output voltage accuracy over line, load, and temperature Excellent power supply rejection ratio (PSRR) performance 59 dB typical at 10 kHz at 3 A load 43 dB typical at 100 kHz at 3 A load Excellent load/line transient response Soft start to reduce inrush current Optimized for small 10 μF ceramic capacitors Current-limit and thermal overload protection Power-good indicator Precision enable 16-lead, 3 mm × 3 mm LFCSP package AEC-Q100 qualified for automotive applications

3 A, Low VIN, Low Noise, CMOS Linear Regulator Features: 3 A maximum output current Low input voltage supply range VIN = 1.10 V to 1.98 V, no external bias supply required Fixed output voltage range: VOUT_FIXED = 0.9 V to 1.5 V Adjustable output voltage range: VOUT_ADJ = 0.5 V to 1.5 V Ultralow noise: 2 μV rms, 100 Hz to 100 kHz Noise spectral density 4 nV/√Hz at 10 kHz 3 nV/√Hz at 100 kHz Low dropout voltage: 95 mV typical at 3 A load Operating supply current: 4.5 mA typical at no load ±1.5% fixed output voltage accuracy over line, load, and temperature Excellent power supply rejection ratio (PSRR) performance 59 dB typical at 10 kHz at 3 A load 43 dB typical at 100 kHz at 3 A load Excellent load/line transient response Soft start to reduce inrush current Optimized for small 10 μF ceramic capacitors Current-limit and thermal overload protection Power-good indicator Precision enable 16-lead, 3 mm × 3 mm LFCSP package AEC-Q100 qualified for automotive applications

3 A, Low VIN, Low Noise, CMOS Linear Regulator Features: 3 A maximum output current Low input voltage supply range VIN = 1.10 V to 1.98 V, no external bias supply required Fixed output voltage range: VOUT_FIXED = 0.9 V to 1.5 V Adjustable output voltage range: VOUT_ADJ = 0.5 V to 1.5 V Ultralow noise: 2 μV rms, 100 Hz to 100 kHz Noise spectral density 4 nV/√Hz at 10 kHz 3 nV/√Hz at 100 kHz Low dropout voltage: 95 mV typical at 3 A load Operating supply current: 4.5 mA typical at no load ±1.5% fixed output voltage accuracy over line, load, and temperature Excellent power supply rejection ratio (PSRR) performance 59 dB typical at 10 kHz at 3 A load 43 dB typical at 100 kHz at 3 A load Excellent load/line transient response Soft start to reduce inrush current Optimized for small 10 μF ceramic capacitors Current-limit and thermal overload protection Power-good indicator Precision enable 16-lead, 3 mm × 3 mm LFCSP package AEC-Q100 qualified for automotive applications

5 A, Low VIN, Low Noise, CMOS Linear Regulator Features: 5 A maximum output current Low input voltage supply range VIN = 1.10 V to 1.98 V, no external bias supply required Fixed output voltage range (VOUT_FIXED): 0.55 V to 1.5 V Adjustable output voltage range (VOUT_ADJ): 0.5 V to 1.5 V Ultralow noise: 2 µV rms, 100 Hz to 100 kHz Noise spectral density: 5 nV/√Hz at 10 kHz; 4 nV/√Hz at 100 kHz Low dropout voltage: 59 mV typical at 5 A load Operating supply current: 5 mA typical at no load  ±1.5% fixed output voltage accuracy over line, load, and temperature Excellent power supply rejection ratio (PSRR) performance 61 dB typical at 10 kHz at 5 A load 43 dB typical at 100 kHz at 5 A load  Excellent load/line transient response Soft start to reduce inrush current Optimized for small 22 µF ceramic capacitors Current-limit and thermal overload protection Power-good indicator Precision enable 16-lead, 3 mm × 3 mm LFCSP package

Synchronous Current-Mode Buck Controller with Constant On-time and 0.8 V Reference Voltage Features: Power input voltage as low as 2.75 V to 20 V Bias supply voltage range: 2.75 V to 5.5 V Minimum output voltage: 0.6 V 0.8 V reference voltage with ±1.0% accuracy Supports all N-channel MOSFET power stages Available in 300 kHz, 600 KHz, and 1.0 MHz options No current-sense resistor required Power saving mode (PSM) for light loads (ADP1883 only) Resistor Programmable Current Sense Gain Thermal overload protection Short-circuit protection See data sheet for additional features

5.5 V, 5 A, High Efficiency, Step-Down DC-to-DC Regulators with Output Tracking Features: Continuous output current: 5 A Integrated MOSFET High-side on resistance: 19 m Low-side on resistance: 15 m Reference voltage: 0.6 V ± 1% over temperature range Input voltage range: 2.7 V to 5.5 V Current mode architecture Switching frequency Fixed frequency: 620 kHz or 1.2 MHz Adjustable frequency: 250 kHz to 1.4 MHz Synchronizes to external clock: 250 kHz to 1.4 MHz Selectable synchronize phase shift: in phase or out of phase External compensation Programmable soft start Startup into a precharged output Voltage tracking input Power-good output and precision enable input Accurate current limit Available in 24-lead, 4 mm × 4 mm LFCSP package Supported by ADIsimPower™ design tool

5.5 V, 5 A, High Efficiency, Step-Down DC-to-DC Regulators with Output Tracking Features: Continuous output current: 5 A Integrated MOSFET High-side on resistance: 19 m Low-side on resistance: 15 m Reference voltage: 0.6 V ± 1% over temperature range Input voltage range: 2.7 V to 5.5 V Current mode architecture Switching frequency Fixed frequency: 620 kHz or 1.2 MHz Adjustable frequency: 250 kHz to 1.4 MHz Synchronizes to external clock: 250 kHz to 1.4 MHz Selectable synchronize phase shift: in phase or out of phase External compensation Programmable soft start Startup into a precharged output Voltage tracking input Power-good output and precision enable input Accurate current limit Available in 24-lead, 4 mm × 4 mm LFCSP package Supported by ADIsimPower™ design tool

Dual 1 A, 18 V, Synchronous Step-Down Regulator with Fail-Safe Voltage Monitoring Features: Input voltage: 4.5 V to 18 V ±1.0% output accuracy Integrated MOSFET: 110 mΩ/60 mΩ typical Continuous output current: 1 A/1 A Power fail comparator generates warning Power-on reset with programmable delay timer Adjustable voltage monitor for power-down (Channel 2) Watchdog refresh input Dual phase with 180° out-of-phase operation Fixed switching frequency: 300 kHz Internal compensation and soft start Stable with low ESR output ceramic capacitors Precision enable input Power feedback during power-off UVLO, OCP, OVP, and thermal shutdown protection

Dual 1 A, 18 V, Synchronous Step-Down Regulator with Fail-Safe Voltage Monitoring Features: Input voltage: 4.5 V to 18 V ±1.0% output accuracy Integrated MOSFET: 110 mΩ/60 mΩ typical Continuous output current: 1 A/1 A Power fail comparator generates warning Power-on reset with programmable delay timer Adjustable voltage monitor for power-down (Channel 2) Watchdog refresh input Dual phase with 180° out-of-phase operation Fixed switching frequency: 300 kHz Internal compensation and soft start Stable with low ESR output ceramic capacitors Precision enable input Power feedback during power-off UVLO, OCP, OVP, and thermal shutdown protection

20 V, 6 A, Synchronous Step-Down DC-to-DC Regulator Features: Input voltage: 4.5 V to 20 V Integrated MOSFET: 44 m/11 m Reference voltage: 0.6 V ± 1% Continuous output current: 6 A Programmable switching frequency: 200 kHz to 1.4 MHz Synchronizes to external clock: 200 kHz to 1.4 MHz 180° out of phase clock synchronization Precision enable and power good External compensation Internal soft start with external adjustable option Startup into a precharged output Supported by ADIsimPower design tool

36 V,1 A, Synchronous, Step-Down, DC-to-DC Regulator with External Clock Synchronization Features: Wide input voltage range of 4.5 V to 36 V Low minimum on time of 50 ns typical Maximum load current of 1 A High efficiency of up to 94% Adjustable output down to 0.6 V ±1% output voltage accuracy Adjustable switching frequency of 300 kHz to 1 MHz External synchronization from 300 kHz to 1 MHz Pulse skip mode or Forced fixed frequency mode Precision enable input pin Open-drain power good Reference similar product ADP2441 with programmable soft-start and tracking. See data sheet for additional features

Power Management IC for Circuit Breaker Applications Features: Boost shunt controller Adjustable output voltage range: 4.5 V to 36 V Integrated boost shunt driver Programmable power detection threshold Buck regulator Input voltage range: 4.5 V to 36 V Continuous output current: 500 mA Adjustable output voltage down to 0.6 V Fixed output options: 3.3 V and 5 V 1.2 MHz fixed switching frequency Voltage monitoring and open-drain reset output 4 programmable gain amplifiers Low power consumption Programmable gain and output dc common voltage Low offset operation amplifier for leakage and grounding fault current detection Analog trip circuit with programmable trip threshold Actuator driver output

Power Management IC for Circuit Breaker Applications Features: Boost shunt controller Adjustable output voltage range: 4.5 V to 36 V Integrated boost shunt driver Programmable power detection threshold Buck regulator Input voltage range: 4.5 V to 36 V Continuous output current: 500 mA Adjustable output voltage down to 0.6 V Fixed output options: 3.3 V and 5 V 1.2 MHz fixed switching frequency Voltage monitoring and open-drain reset output 4 programmable gain amplifiers Low power consumption Programmable gain and output dc common voltage Low offset operation amplifier for leakage and grounding fault current detection Analog trip circuit with programmable trip threshold Actuator driver output

Power Management IC for Circuit Breaker Applications Features: Boost shunt controller Adjustable output voltage range: 4.5 V to 36 V Integrated boost shunt driver Programmable power detection threshold Buck regulator Input voltage range: 4.5 V to 36 V Continuous output current: 500 mA Adjustable output voltage down to 0.6 V Fixed output options: 3.3 V and 5 V 1.2 MHz fixed switching frequency Voltage monitoring and open-drain reset output 4 programmable gain amplifiers Low power consumption Programmable gain and output dc common voltage Low offset operation amplifier for leakage and grounding fault current detection Analog trip circuit with programmable trip threshold Actuator driver output

High Accuracy Ultralow Quiescent Current, 500 mA, anyCAP Low Dropout Features: High accuracy over line and load: ±0.9% @ 25°C, ±1.8% over temperature Ultralow dropout voltage: 200 mV (typ) @ 500 mA Requires only CO = 1.0 µF for stability anyCAP® = stable with any type of capacitor (Including MLCC) Current and thermal limiting Low noise Low shutdown current: < 10 nA (typ) 2.6 V to 12 V supply range –40°C to +85°C ambient temperature range

High Speed, Dual, 4 A MOSFET Driver, non-inverting A/B input pins, 4.5V < Vin < 18V Features: Industry-standard-compatible pinout High current drive capability Precise threshold shutdown comparator UVLO with hysteresis Overtemperature warning signal Overtemperature shutdown 3.3 V-compatible inputs 10 ns typical rise time and fall time @ 2.2 nF load Matched propagation delays between channels Fast propagation delay 9.5 V to 18 V supply voltage (ADP3633/ADP3634/ADP3635) 4.5 V to 18 V supply voltage (ADP3623/ADP3624/ADP3625) See data sheet for additional features

Dual 3 MHz, 800 mA Buck Regulators with Two 300 mA LDOs Features: Input voltage range: 2.3 V to 5.5 V Two 800 mA buck regulators and two 300 mA LDOs Tiny, 16-ball, 2 mm × 2 mm WLCSP package Regulator accuracy: ±1.8% Factory programmable VOUTx 3 MHz buck operation with forced PWM and auto PWM/PSM modes BUCK1/BUCK2: output voltage range from 0.8 V to 3.3 V LDO1/LDO2: output voltage range from 0.8 V to 3.3V LDO1/LDO2: low input supply voltage from 1.7 V to 5.5 V LDO1/LDO2: high PSRR and low output noise