600 mA, Ultralow Noise, High PSRR, RF Linear Regulator Features: Input voltage range: 2.3 V to 5.5 V Maximum load current: 600 mA Low noise 0.9 µV rms total integrated noise from 100 Hz to 100 kHz 1.6 µV rms total integrated noise from 10 Hz to 100 kHz Noise spectral density: 1.5 nV/√Hz from 10 kHz to 1 MHz PSRR of 90 dB from 200 Hz to 200 kHz; 58 dB at 1 MHz, VOUT = 3.3 V, VIN = 3.8 V Dropout voltage: 120 mV typical at VOUT = 3.3 V, IOUT = 600 mA Initial accuracy: ±0.5% Accuracy over line, load, and temperature: −2.0%(minimum), +1.5% (maximum), from −40°C to +85°C Quiescent current, IGND = 4 mA at no load Low shutdown current: 0.2 μA Stable with a 10 µF ceramic output capacitor Adjustable and fixed output voltage options: 1.2 V, 1.8 V, 2.5 V, 2.8 V, 3.0 V, 3.3 V (16 standard voltages between 1.2 V and 3.3 V available) 8-lead LFCSP and 8-lead SOIC packages Precision enable Supported by ADIsimPower tool

Ultralow Noise, 200 mA, Linear Regulator Features: PSRR performance of 54 dB at 100 kHz Ultralow noise independent of VOUT 3 μV rms, 0.1 Hz to 10 Hz 9.5 μV rms, 0.1 Hz to 100 kHz 9 µV rms, 10Hz to 100KHz 17 µV rms, 10Hz to 1MHz Low dropout voltage: 150 mV at 200 mA load Maximum output current: 200 mA Input voltage range: 2.2 V to 5.5 V Low quiescent and shutdown current Initial accuracy: ±1% Accuracy over line, load, and temperature: −2.5%/+1.5% 5-lead TSOT package and 6-lead LFCSP package

6.5 V, 500 mA, Ultralow Noise, High PSRR, Fast Transient Response CMOS LDO Features: Input voltage range: 2.3 V to 6.5 V Maximum load current: 500 mA Low noise: 5 μV rms independent of output voltage at 100 Hz to 100 kHz Fast transient response: 1.5 μs for 1 mA to 500 mA load step 60 dB PSRR at 100 kHz Low dropout voltage: 42 mV at 500 mA load, VOUT = 3 V Initial accuracy: ±0.75% Accuracy over line, load, and temperature: ±1.25% Quiescent current, IGND = 0.7 mA at no load Low shutdown current: 0.25 μA at VIN = 5 V Stable with small 4.7 μF ceramic output capacitor Adjustable and fixed output voltage options: 1.2 V to 5.0 V Adjustable output from 1.2 V to VIN − VDO Precision enable Adjustable soft start 8-lead, 3 mm × 3 mm LFCSP package Supported by ADIsimPower tool

Microprocessors Supervisory Circuit in 4-Lead SOT-143, Logic Low RESET Bar Output Features: Superior upgrade for MAX811/MAX812 Specified over temperature Low power consumption: 5 μA typical Precision voltage monitor: 2.5 V, 3 V, 3.3 V, 5 V options Reset assertion down to 1 VCC Power-on reset: 140 ms minimum Logic low RESET output Built-in manual reset

Microprocessor Supervisory Circuit with Watchdog Feature, 4.65V Threshold Voltage, Low Supply Current and Active Low Reset Output. Upgrade for ADM699 Features: Superior Upgrade for ADM698/ADM699, MAX698/MAX699 Guaranteed RESET Assertion with VCC = 1 V Low 70 µA Supply Current Precision 4.65 V Voltage Monitor Power OK/Reset Time Delay Power OK/Reset Time Delay Watchdog Timer Minimum Component Count Performance Specified over Temperature ADM8698 is obsolete

Digital Controller for Isolated Power Supply Applications Features: Integrates all typical PWM controller functions 7 PWM control signals Digital control loop Integrated programmable loop filters Programmable voltage line feedforward Dedicated soft start filter Remote and local voltage sense Primary and secondary side current sense Synchronous rectifier control Current sharing OrFET control I2C interface Extensive fault detection and protection Extensive programming and telemetry Fast digital calibration User accessible EEPROM Qualified for automotive applications Download ADP1046AW Automotive Data Sheet (pdf)

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

1 A, Low Dropout, CMOS Linear Regulator Features: Maximum output current: 1 A Input voltage range: 2.5 V to 5.5 V Low shutdown current: <1 μA Low dropout voltage: 345 mV @ 1 A load Initial accuracy: ±1% Accuracy over line, load, and temperature: ±2.5% 16 fixed output voltage options with soft start: 0.75 V to 3.3 V (ADP1706) 16 fixed output voltage options with tracking 0.75 V to 3.3 V (ADP1707) Adjustable output voltage option: 0.8 V to 5.0 V (ADP1708) Stable with small 4.7 μF ceramic output capacitor Excellent load/line transient response Current limit and thermal overload protection

1 A, Low Dropout, CMOS Linear Regulator with Tracking Features: Maximum output current: 1 A Input voltage range: 2.5 V to 5.5 V Low shutdown current: <1 μA Low dropout voltage: 345 mV @ 1 A load Initial accuracy: ±1% Accuracy over line, load, and temperature: ±2.5% 16 fixed output voltage options with soft start: 0.75 V to 3.3 V (ADP1706) 16 fixed output voltage options with tracking 0.75 V to 3.3 V (ADP1707) Adjustable output voltage option: 0.8 V to 5.0 V (ADP1708) Stable with small 4.7 μF ceramic output capacitor Excellent load/line transient response Current limit and thermal overload protection

5.5 V, 5 A, High Efficiency, Step-Down DC-to-DC Regulators with Output Tracking Features: Continuous output current: 5 A Integrated MOSFET High-side on resistance: 19 m Low-side on resistance: 15 m Reference voltage: 0.6 V ± 1% over temperature range Input voltage range: 2.7 V to 5.5 V Current mode architecture Switching frequency Fixed frequency: 620 kHz or 1.2 MHz Adjustable frequency: 250 kHz to 1.4 MHz Synchronizes to external clock: 250 kHz to 1.4 MHz Selectable synchronize phase shift: in phase or out of phase External compensation Programmable soft start Startup into a precharged output Voltage tracking input Power-good output and precision enable input Accurate current limit Available in 24-lead, 4 mm × 4 mm LFCSP package Supported by ADIsimPower™ design tool