LDO Voltage Regulators PADM1270ACPZ-R7DO 1.3Vo

Supervisory Circuits RESET GENERATOR I.C.

Supervisory Circuits RESET GENERATOR I.C.

Current Source Regulator 10mA 8-SOIC

2 A/1.2 A DC-to-DC Switching Regulator with Independent Positive and Negative Outputs Features: Wide input supply voltage range: 2.85 V to 15 V Generates well regulated, independently resistor programmable VPOS and VNEG outputs Boost regulator to generate VPOS output Adjustable positive output to 39 V Integrated 2.0 A main switch Optional single-ended primary-inductor converter (SEPIC) configuration for automatic step-up/step-down Inverting regulator to generate VNEG output Adjustable negative output to VIN − 39 V Integrated 1.2 A main switch True shutdown for both positive and negative outputs 1.2 MHz/2.4 MHz switching frequency with optional external frequency synchronization from 1.0 MHz to 2.6 MHz Resistor programmable soft start timer Slew rate control for lower system noise Individual precision enable and flexible start-up sequence control for symmetric start, VPOS first, or VNEG first Out-of-phase operation UVLO, OCP, OVP, and TSD protection 4 mm × 4 mm, 20-lead LFCSP and 20-lead TSSOP −40°C to +125°C junction temperature range Supported by the ADIsimPower tool set

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

Ultracompact, Precision 3.0 V Voltage Reference Features: Ultracompact SC70 and TSOT packages Low temperature coefficient 8-lead SOIC: 3 ppm/°C typical 5-lead SC70: 9 ppm/°C maximum 5-lead TSOT: 9 ppm/°C maximum Initial accuracy ±0.1% No external capacitor required Low noise 10 μV p-p, 0.1 Hz to 10.0 Hz (ADR02) Wide operating range ADR01: 12.0 V to 36.0 V ADR02: 7.0 V to 36.0 V ADR03: 4.5 V to 36.0 V ADR06: 5.0 V to 36.0 V High output current 10 mA Wide temperature range: –40°C to +125°C ADR01/ADR02/ADR03 pin compatible to industry-standard REF01/REF02/REF03 ADR01, ADR02, ADR03 and ADR06 SOIC (A grade) qualified for automotive applications

Low Noise, Micropower 5.0 V Precision Voltage Reference Features: 6.0 V to 15 V supply range Supply current: 15 μA maximum Low noise: 15 μV p-p typical (0.1 Hz to 10 Hz) High output current: 5 mA Pin-compatible with the REF02/REF19xADR293-EP supports defense and aerospace applications (AQEC standard) Download ADR293-EP Data Sheet (pdf) See datasheet for additional features

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

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