20 V, 500 mA, Low Noise, CMOS LDO Features: Input voltage range: 3.3 V to 20 V Maximum output current: 500 mA Low Noise: 15 μV rms for fixed output versions PSRR Performance of 60 dB at 10 kHz, VOUT = 3.3 V Reverse current protection Low dropout voltage: 350 mV at 500 mA Initial accuracy: ±0.8% Accuracy over line, load, and temperature −2% to +1%, TJ = −40°C to +125°C −1.25% to +1%, TJ = 0°C to +85°C Low quiescent current (VIN = 5 V), IGND = 900 μA with 500 mA load Low shutdown current: <40 μA at VIN = 12 V, stable with small 1 μF ceramic output capacitor 7 fixed output voltage options: 1.5 V, 1.8 V, 2.5 V, 3 V, 3.3 V, 5 V, and 9 V Adjustable output from 1.22 V to VIN − VDO Foldback current limit and thermal overload protection User programmable precision UVLO/enable Power-good indicator 8-lead LFCSP and 8-lead SOIC packages

Ultra Low Quiescent Current 150 mA, CMOS Linear Regulator Features: Ultralow quiescent current: IQ = 560 nA with 0 μA load IQ = 860 nA with 1 μA load Stable with 1 μF ceramic input and output capacitors Maximum output current: 150 mA Input voltage range: 2.2 V to 5.5 V Low shutdown current: < 50 nA typical Low dropout voltage: 195 mV @ 150 mA load Initial accuracy: ±1% Accuracy over line, load, and temperature: ±3.5% 15 fixed output voltage options: 1.2 V to 4.2 V Adjustable output available PSRR performance of 72 dB @ 100 Hz See data sheet for additional features Logic-control enable

Ultralow Quiescent Current, 150 mA, CMOS Linear Regulators Features: Ultralow quiescent current IQ = 560 nA with 0 μA load IQ = 860 nA with 1 μA load Stable with 1 μF ceramic input and output capacitors Maximum output current: 150 mA Input voltage range: 2.2 V to 5.5 V Low shutdown current: <50 nA typical Low dropout voltage: 195 mV @ 150 mA load Initial accuracy: ±1% Accuracy over line, load, and temperature: ±3.5% 15 fixed output voltage options: 1.2 V to 4.2 V Adjustable output available PSRR performance of 72 dB @ 100 Hz See data sheet for additional features

Hot-Swap Controller and Digital Power Monitor with PMBus Interface Features: Controls supply voltages from 2 V to 20 V 370 ns response time to short circuit Resistor-programmable 5 mV to 25 mV current limit ±1% accurate, 12-bit ADC for current, VIN/VOUT readback Charge-pumped gate drive for multiple external N-channel FETs High gate drive voltage to ensure lowest RDSON Foldback for tighter FET SOA protection Automatic retry or latch-off on current fault Programmable current limit timer for SOA Programmable, multifunction GPOs Power-good status output Analog UV and OV protection ENABLE pin (ADM1275-3 only) Peak detect registers for current and voltage PMBus fast mode compliant interface 16-lead QSOP and 20-lead QSOP and LFCSP

Quad Parametric Measurement Unit With Integrated 16-Bit Level Setting DACs Features: Quad parametric measurement unit (PMU)  FV, FI, FN (high-Z), MV, MI functions 4 Programmable Current Ranges (Internal RSENSE)  ±5uA, ±20uA, ±200uA and ±2mA 1 Programmable Current Range up to ±80mA (external RSENSE) 22.5 V FV Range with Asymmetrical Operation Integrated 16-Bit DACs Provide Programmable Levels Gain and offset correction on chip Low capacitance outputs suited to relay less systems On-chip comparators per channel See Data Sheet for Additional Information

Open-Drain Microprocessor Supervisory Circuit in 4-Lead SOT-143

Linear Voltage Regulator IC Positive Adjustable 1 Output 5A TO-220-3

Supervisory Circuits 5-Pin uP Supervisory Circuits with Watchdog and Manual Reset

Switching Voltage Regulators 5V Fixed/Adjustable Step-Up

Power Switch ICs - Power Distribution Current-Limited High-Side PCh Switch