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ADP221 Datasheet High PSRR Voltage Regulator

Manufacturer: Analog Devices

Download the ADP221 datasheet PDF. This datasheet also includes the ADP220 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (ADP220-AnalogDevices.pdf) that lists specifications for multiple related part numbers.

General Description

The 200 mA dual output ADP220/ADP221 combine high PSRR, low noise, low quiescent current, and low dropout voltage in a voltage regulator ideally suited for wireless applications with demanding performance and board space requirements.

The low quiescent current, low dropout voltage, and wide input voltage range of the ADP220/ADP221 extend the battery life of portable devices.

The ADP220/ADP221 maintain power supply rejection greater than 60 dB for frequencies as high as 100 kHz while operating with a low headroom voltage.

Overview

Data Sheet.

Key Features

  • Input voltage range: 2.5 V to 5.5 V Dual independent 200 mA low dropout voltage regulators Miniature 6-ball, 1.0 mm × 1.5 mm WLCSP and 6-ball bumped bare die Initial accuracy: ±1% Stable with 1 µF ceramic output capacitors No noise bypass capacitor required Two independent logic controlled enables Overcurrent and thermal protection Active output pull-down (ADP221) Key specifications High PSRR 76 dB PSRR up to 1 kHz 70 dB PSRR at 10 kHz 60 dB PSRR at 100 kHz 40 dB PSRR at 1 MHz Low output noise 2.

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