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

20 V, 500 mA, Low Noise LDO Regulator with Soft Start 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: 900 μA at VIN = 10 V, IOUT = 500 mA Low shutdown current: <50 μA at VIN = 12 V, stable with small 1 μF ceramic output capacitor 3 fixed output voltage options: 1.8, 3.3 V and 5 V Adjustable output from 1.22 V to 19 V Programmable soft start for inrush current control Foldback current-limit and thermal overload protection User programmable precision UVLO/enable Power-good indicator 8-lead LFCSP and 8-lead SOIC packages

DC / DC CONTROLLERS

Supervisory Circuit with Watchdog, Manual Reset, and Active-Low/High Push-Pull Features: 26 reset threshold options 2.5 V to 5 V in 100 mV increments 4 reset timeout options 1 ms, 20 ms, 140 ms, and 1120 ms (minimum) 4 watchdog timeout options 6.3 ms, 102 ms, 1600 ms, and 25.6 sec (typical) Manual reset input Reset output stages Push-pull active low Open-drain active low Push-pull active high Low power consumption: 5 μA Guaranteed reset output valid to VCC = 1 V Power supply glitch immunity Specified over industrial temperature range 5-lead SOT-23 package

Supervisory Circuit with Manual Reset, Active-Low Open-Drain and Active-High Push-Pull Reset Outputs Features: 27 reset threshold options 2.5 V to 5 V in 100 mV increments 4 reset timeout options 1 ms, 20 ms, 140 ms, and 1120 ms (minimum) 4 watchdog timeout options 6.3 ms, 102 ms, 1.6 sec, and 25.6 sec (typical) Manual reset input Multiple reset output options Low power consumption Specified over wide temperature range (−40°C to +125°C) Qualified for automotive applications 5-lead SOT-23 package

Very Low Quiescent Current, 150 mA, with Output Discharge LDO Regulator Features: Very low quiescent current IQ = 590 nA with 0 µA load IQ = 890 nA with 1 µA load Maintains very low quiescent current in dropout (pass through mode): IQ_DROP = 720 nA with 0 µA load IQ_DROP = 1200 nA with 1 µA load Stable with 1 µF ± 30% ceramic input and output capacitors Maximum load current: ILOAD_MAX: 150 mA Input voltage range: 2.2 V to 5.5 V Low shutdown current: 50 nA typical Low dropout voltage: 120 mV at 150 mA load Initial output voltage accuracy: ±1% Accuracy over line, load, and temperature: ±3.5% 7 fixed output voltage options: 1.2 V to 3.3 V Adjustable output option can be set from 1.2 V to 4.2 V See data sheet for additional features

Very Low Quiescent Current, 150 mA, with Output Discharge LDO Regulator Features: Very low quiescent current IQ = 590 nA with 0 µA load IQ = 890 nA with 1 µA load Maintains very low quiescent current in dropout (pass through mode): IQ_DROP = 720 nA with 0 µA load IQ_DROP = 1200 nA with 1 µA load Stable with 1 µF ± 30% ceramic input and output capacitors Maximum load current: ILOAD_MAX: 150 mA Input voltage range: 2.2 V to 5.5 V Low shutdown current: 50 nA typical Low dropout voltage: 120 mV at 150 mA load Initial output voltage accuracy: ±1% Accuracy over line, load, and temperature: ±3.5% 7 fixed output voltage options: 1.2 V to 3.3 V Adjustable output option can be set from 1.2 V to 4.2 V See data sheet for additional features

Open-Drain Microprocessor Supervisory Circuit in 4-Lead SOT-143 Features: Specified over temperature Low power consumption (5 μA typical) Precision voltage monitor of voltages from 2.5 V to 5 V at 100 mV increments Reset assertion down to VCC > 1 V Reset timeout periods: 1 ms, 20 ms, 140 ms, or 1120 ms (minimum) Built-in manual reset Pin compatible with the ADM811 Available in SOT-143 package

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

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