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ADP7185ACPZN is a complementary metal oxide semiconductor (CMOS), low dropout (LDO) linear regulator that operates from −2.0 V to −5.5 V and provides up to −500 mA of output current.

Product Features

Input voltage range: −2.0 V to −5.5 V

Maximum output current: −500 mA

Fixed output voltage options: −0.5 V to −4.5 V

Adjustable output from −0.5 V to −VIN + 0.5 V

Low output noise: 4 μV rms from 100 Hz to 100 kHz

Noise spectral density: 20 nV/√Hz, 10 kHz to 1 MHz

PSRR at −500 mA load

68 dB at 10 kHz

50 dB at 100 kHz

40 dB at 1 MHz

Low dropout voltage: −190 mV typical at −500 mA load

Initial output voltage (VOUT) accuracy: ±0.5%

Output voltage accuracy over line, load, and temperature: ±2.2%

Operating supply current (IGND): −0.6 mA typical at no load

Low shutdown current: −2 μA typical at VIN = −5.5 V

Stable with small 4.7 μF ceramic input and output capacitor

Positive or negative enable logic

Current-limit and thermal overload protection

8-lead, 2 mm × 2 mm LFCSP package

Supported by ADIsimPOWER voltage regulator design tool

Applications

Regulation to noise sensitive applications: analog-to-digital converters (ADCs), digital-to-analog converters (DACs), precision amplifiers

Communications and infrastructure

Medical and healthcare

Industrial and instrumentation

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  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

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