1 A, Low VIN, Low Noise, CMOS Linear Regulator Features: 1 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: 30 mV typical at 1 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 67 dB typical at 10 kHz at 1 A load 51 dB typical at 100 kHz at 1 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

Synchronous Current-Mode Buck Controller with Constant On-time, 0.8 V Reference Voltage, and Power Saving Mode 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

Configurable, Dual 2 A/Single 4 A, Synchronous Step-Down DC-to-DC Regulator Features: Configurable 3 A/1 A or 2 A/2 A dual output load combinations or 4 A combined single output High efficiency: up to 95% Input voltage VIN: 2.75 V to 5.5 V Selectable fixed output: 0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V or adjustable output voltage to 0.6 V minimum ±1.5% accuracy reference voltage Selectable fixed switching frequency: 300 kHz, 600 kHz, or 1.2 MHz Optimized gate slew rate for reduced EMI External synchronization or internal clock output Dual-phase, 180° shifted PWM channels Current mode for fast transient response, no current sense resistor required Pulse-skip under light load or forced PWM operation See data sheet for additonal features

2A, 1.2MHz Synchronous Step-Down DC-to-DC Regulator Features: Continuous output current: 2A 145 mΩ and 70 mΩ integrated FET Input voltage range from 2.3 V to 5.5 V Output voltage from 0.6V to VIN Precision threshold enable input ±1.5% output accuracy Supported by ADIsimPower™ design tool See datasheet for additional features

20 V, 4 A, Synchronous Step-Down DC-to-DC Regulator Features: Input voltage: 4.5 V to 20 V Integrated MOSFET: 44 m/11.6 m Reference voltage: 0.6 V ± 1% Continuous output current: 4 A 180° out of phase clock synchronizationSynchronizes to external clock: 200 kHz to 1.4 MHz Programmable switching frequency: 200 kHz to 1.4 MHz Precision enable and power good External compensation Internal soft start with external adjustable option Startup into a precharged output Supported by ADIsimPower design tool

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

20 V, 6 A, Synchronous, Step-Down DC-to-DC Regulator Features: Input voltage range: 4.5 V to 20 V Integrated MOSFET: 44 mΩ typical/11 mΩ typical Reference voltage: 0.6 V ± 1% Continuous output current: 6 A Programmable current-limit thresholdProgrammable switching frequency: 200 kHz to 1400 kHz Precision enable and power good External compensation Internal soft start with external adjustable option Startup into a precharged output Supported by ADIsimPower design tool

18 V, 12 A Step-Down Regulator with Programmable Current Limit Features: Input voltage: 4.5 V to 18 V Continuous output current: 12 A Integrated MOSFETs: 17 mΩ high-side/4.5 mΩ low-side 0.6 V ± 0.5% reference voltage Programmable switching frequency range: 200 kHz to 2200 kHz Enhanced transient response Programmable current limit with ±10% accuracy Precision enable and power good External compensation and soft start Start up into a precharged output Supported by the ADIsimPower design tool

3 A, 36 V, Synchronous Step-Down DC-to-DC Regulator Features: Continuous output current: 3 A Input voltage: 4.5 V to 36 V Integrated MOSFETs: 98 mΩ/35 mΩ Reference voltage: 0.6 V ± 1% Fast minimum on time: 50 ns Programmable switching frequency: 200 kHz to 1.8 MHz Synchronizes to external clock: 200 kHz to 1.8 MHz Precision enable and power good Cycle-by-cycle current limit with hiccup protection External compensation Programmable soft start time Startup into a precharged output Supported by ADIsimPower design tool