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

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

Pin Programmable Precision Voltage Reference Features: Four Programmable Output Voltages: 10.000 V, 7.500 V, 5.000 V, 2.500 V Laser Trimmed to High Accuracies No External Components Required Trimmed Temperature Coefficient: 15 ppm/°C Max, 0°C to 70°C (AD584K) 15 ppm/°C Max, -55°C to +125°C (AD584T) Zero Output Strobe Terminal Provided Two Terminal Negative Reference  Capability (5 V and above) Output Sources or Sinks Current Low Quiescent Current: 1.0 mA Max 10 mA Current Output Capability MIL-STD-883 Compliant Versions Available

Super Sequencer with Margining Control and Temperature Monitoring Features: Complete supervisory and sequencing solution for up to 10 supplies 10 supply fault detectors enable supervision of supplies to: <0.5% accuracy at all voltages at 25°C <1.0 % accuracy across all voltages and temperatures 5 selectable input attenuators allow supervision of: Supplies up to 14.4 V on VH Supplies up to 6 V on VP1 to VP4 (VPn) 10 programmable output drivers (PDO1 to PDO10): Open collector with external pull-up Push/pull output, driven to VDDCAP or VPx Open collector with weak pull-up to VDDCAP or VPx Internally charge-pumped high drive for use with external N-FET (PDO1 to PDO6 only) Sequencing engine (SE) implements state machine control of PDO outputs State changes conditional on input events Enables complex control of boards Power-up and power-down sequence control Fault event handling Interrupt generation on warnings Watchdog function can be integrated in SE Program software control of sequencing through SMBus 5 dual-function inputs, VX1 to VX5 (VXn) High impedance input to supply fault detector with thresholds between 0.573 V and 1.375 V General-purpose logic input Complete voltage margining solution for 6 voltage rails 6 voltage output, 8-bit DACs (0.300 V to 1.551 V) allow voltage adjustment via dc-to-dc converter trim/feedback node 12-bit ADC for readback of all supervised voltages Internal and external temperature sensors Reference input (REFIN) has 2 input options Driven directly from 2.048 V (±0.25%) REFOUT pin More accurate external reference for improved ADC performance Device powered by the highest of VPx, VH for improved redundancy User EEPROM: 256 bytes Industry-standard 2-wire bus interface (SMBus) Guaranteed PDO low with VH, VPx = 1.2 V Available in 40-lead, 6 mm × 6 mm LFCSP and 48-lead, 7 mm × 7 mm TQFP packages

350 mA, Low VIN, Low Quiescent Current, CMOS Linear Regulator

+2.5V Low-Power Precision Voltage Reference

ADM695 - Microprocessor Supervisory Circuit

Ultra-Low-Noise, High-Accuracy 4.096V Voltage Reference Features: Maximum temperature coefficient (TCVOUT): 0.8 ppm/°C (D grade 0°C to 70°C) 1 ppm/°C (C grade 0°C to 70°C) 2 ppm/°C (B grade −40°C to +125°C) 4 ppm/°C (A grade 40°C to +125°C) Output noise (0.1 Hz to 10 Hz): 1 μV p-p at VOUT of 2.048 V typical Initial output voltage error: B, C, D grade: ±0.02% (maximum) Input voltage range: 3 V to 15 V Operating temperature: A grade and B grade: −40°C to +125°C C grade: 0°C to +70°C Output current: +10 mA source/−10 mA sink Low quiescent current: 950 μA (maximum) Low dropout voltage: 300 mV at 2 mA (VOUT ≥ 3 V) 8-lead SOIC package and LCC package AEC-Q100 qualified for automotive applications Long-term drift: 8 ppm typical at 4500 hours

20 V, 300 mA, Low Noise, CMOS LDO Features:Input voltage range: 3.3 V to 20 VMaximum output current: 300 mALow noise: 15 V rms for fixed output versionsPSRR performance of 60 dB at 10 kHz, VOUT = 3.3 VReverse current protectionLow dropout voltage: 200 mV at 300 mA loadInitial accuracy: 0.8%See data sheet for additional features

Synchronous Current-Mode Buck Controller with Constant On-time, 0.6 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 0.6 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 (ADP1873 only) Resistor Programmable Current Sense Gain Thermal overload protection Short-circuit protection See data sheet for additional features