Quad Voltage Microprocessor Supervisory Circuit Features: Accurate monitoring of up to four power supply voltages 6 factory-set threshold options: −5.0 V, 1.8 V, 2.5 V, 3.0 V, 3.3 V, and 5.0 V Adjustable input threshold options: −0.5 V (±2.0% accuracy), 0.62 V (±0.8% accuracy), and 1.23 V 200 ms typical reset timeout Open-drain RESET output (10 μA internal pull-up) Reset output stage: active low, valid to IN1 = 1 V or IN2 = 1 V Low power consumption (55 μA) Glitch immunity Specified from −40°C to +85°C

Voltage References IC, 1.2V MICROPOWER REF

IC VOLT REGULATOR FIXED +2.5V BIPOLAR TSSOP 8PIN PLASTIC

Switching Voltage Regulators 4 to 20mA loop buck regulator

LDO Voltage Regulators 1A Low Dropout Linear regulators

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

Microprocessor Supervisor with Backup Battery Switchover, Watchdog Feature, Power Fail Warning, 4.4V Threshold Voltage, 250mA Output Current Features: Low Power Consumption Precision Voltage Monitor ±2% Tolerance on ADM800L/M Reset Time Delay—200 ms, or Adjustable 1 µA Standby Current Automatic Battery Backup Power Switching Fast Onboard Gating of Chip Enable Signals Also Available in TSSOP Package (ADM691A)

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

800 mA Ultralow Noise, High PSRR, RF Linear Regulator Features: Input voltage range: 4.5 V to 16 V Maximum output current: 800 mA Adjustable output from 1.5 V to 5.1 V Low noise 1.0 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: 1.7 nV√Hz from 10 kHz to 1 MHz Power supply rejection ratio (PSRR) at 400 mA load >90 dB from 1 kHz to 100 kHz, VOUT = 5 V >60 dB at 1 MHz, VOUT = 5 V Dropout voltage: 0.6 V at VOUT = 5 V, 800 mA load Initial voltage accuracy: ±1% Voltage accuracy over line, load and temperature: ±2% Quiescent current (IGND): 4.3 mA at no load Low shutdown current: 0.1 μA Stable with a 10 μF ceramic output capacitor 8-lead LFCSP package and 8-lead SOIC package

40 V, 200 mA, Low Noise, CMOS LDO Linear Regulator Features: Low noise: 11 μV rms independent of fixed output voltage PSRR of 88 dB at 10 kHz, 68 dB at 100 kHz, 50 dB at 1 MHz, VOUT ≤ 5 V, VIN = 7 V Input voltage range: 2.7 V to 40 V Maximum output current: 200 mA Initial accuracy: ±0.8% Accuracy over line, load, and temperature −1.2% to +1.5%, TJ = −40°C to +85°C ±1.8%, TJ = −40°C to +125°C Low dropout voltage: 200 mV (typical) at a 200 mA load, VOUT = 5 V User programmable soft start (LFCSP and SOIC only) Low quiescent current, IGND = 50 μA (typical) with no load Low shutdown current: 1.8 μA at VIN = 6 V, 3.0 μA at VIN = 40 V Stable with a small 2.2 μF ceramic output capacitor Fixed output voltage options: 1.8 V, 2.5 V, 3.3 V, 3.8 V, and 5.0 V 15 standard voltages between 1.2 V and 5.0 V are available Adjustable output from 1.2 V to VIN – VDO, output can be adjusted above initial set point Precision enable 2 mm × 2 mm, 6-lead LFCSP, 8-Lead SOIC, 5-Lead TSOT AEC-Q100 qualified for automotive applications