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

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

Integrated Power Solution with Quad Buck Regulators, Supervisory, and I2C Interface Features: Wide input voltage range: 4.5 V to 15.0 V ±1.5% output accuracy over full temperature range Adjustable/fixed output options via factory fuse or I2C interface I2C interface with interrupt on fault conditions Power regulation Channel 1 and Channel 2: programmable 1.2 A/2.5 A/4 A sync buck regulators with low-side FET driver Channel 3 and Channel 4: 1.2 A sync buck regulators 250 kHz to 1.4 MHz adjustable switching frequency Single 8 A output (Channel 1 and Channel 2 in parallel) Dynamic voltage scaling (DVS) for Channel 1 and Channel 4 Precision enable with 0.8 V accurate threshold Programmable phase shift in 90° steps Individual channel FPWM/PSM selection Frequency synchronization input or output See data sheet for additional features

800 mA, DC-to-DC Inverting Regulator Features: Wide input voltage range: 2.85 V to 15 V Adjustable negative output to VIN − 39 V Integrated 800 mA main switch 1.2 MHz/2.4 MHz switching frequency with optional external frequency synchronization from 1.0 MHz to 2.6 MHz Resistor programmable soft start timer Slew rate control for lower system noise Precision enable control UVLO, OCP, OVP, and TSD protection 1.61 mm × 2.18 mm, 12-ball WLCSP −40°C to +125°C junction temperature Supported by the ADIsimPower tool set

Ultralow Power Energy Harvester PMU with MPPT and Charge Management Features: Boost regulator with maximum power point tracking (MPPT) with dynamic sensing or no sensing mode Hysteresis mode for best ultralight load efficiency Operating quiescent current of SYS pin (VIN > VCBP ≥ VMINOP): 510 nA Sleeping quiescent current of SYS pin (VCBP < VMINOP): 390 nA Input voltage operating range: 0.08 V to 3.3 V Fast cold start from 380 mV (typical) with charge pump Programmable shutdown point on MINOP pin based on the input open circuit voltage (OCV) 150 mA regulated output from 1.5 V to 3.6 V Battery terminal charging threshold (2.2 V to 5.2 V) to support charging storage elements Optional BACK_UP power path management Radio frequency (RF) transmission conducive to shutting down the switcher temporarily via microcontroller unit (MCU) communication

50 mA/500 mA, High Efficiency, Ultralow Power Step-Down Regulator Features: Input start-up voltage range: 2.15 V to 6.50 V Operates down to 2.00 V voltage Ultralow 180 nA quiescent current with no load Selectable output voltage of 1.2 V to 3.6V or 0.8V to 5.0V ±1.5% output accuracy over full temperature range in PWM mode Selectable hysteresis mode or PWM operation mode Output current Up to 50 mA in hysteresis mode Up to 500 mA in PWM mode VOUTOK flag monitors the output voltage 100% duty cycle operation mode 2 MHz switching frequency with optional synchronization input from 1.5 MHz to 2.5 MHz QOD option UVLO, OCP, and TSD protection 9-ball, 1.65 mm × 1.87 mm WLCSP −40°C to +125°C junction temperature

50 mA/500 mA, High Efficiency, Ultralow Power Step-Down Regulator Features: Input start-up voltage range: 2.15 V to 6.50 V Operates down to 2.00 V voltage Ultralow 180 nA quiescent current with no load Selectable output voltage of 1.2 V to 3.6V or 0.8V to 5.0V ±1.5% output accuracy over full temperature range in PWM mode Selectable hysteresis mode or PWM operation mode Output current Up to 50 mA in hysteresis mode Up to 500 mA in PWM mode VOUTOK flag monitors the output voltage 100% duty cycle operation mode 2 MHz switching frequency with optional synchronization input from 1.5 MHz to 2.5 MHz QOD option UVLO, OCP, and TSD protection 9-ball, 1.65 mm × 1.87 mm WLCSP −40°C to +125°C junction temperature

Ultralow Power Step-Down Regulator with Input Voltage Monitor and Regulation Features: Input start-up voltage range: 2.15 V to 6.50 V  Operation down to 2.00 V  Ultralow, 260 nA quiescent current with no load Selective output voltage from 1.2 V to 3.6 V (or 0.8 V to 5.0 V) ±2.5% output accuracy over the full temperature range Selectable hysteresis or pulse-width modulation (PWM) operation mode Output current up to 50 mA in hysteresis mode VINOK flag to monitor the input voltage Ultrafast stop switching control 100% duty cycle operation mode Quick output discharge (QOD) option Undervoltage lockout (UVLO), OCP, and thermal shutdown (TSD) protection 10-lead, 3 mm × 3 mm LFCSP package −40°C to +125°C operating junction temperature range