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ADP7183ACPZN0.5  −300mA, Ultralow Noise, High PSRR, Low Dropout Linear Regulator

Product Description

ADP7183ACPZN0.5 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 −300 mA of output current. This LDO regulator is ideal for regulation of high performance analog and mixed-signal circuits operating from −0.5 V down to −4.5 V. It provides high PSRR and low noise, and it achieves excellent line and load transient response with a small 4.7 μF ceramic output capacitor.

Product Features

Input voltage range: −2.0 V to −5.5 V

Maximum output current: −300 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

Low dropout voltage: −130 mV typical at IOUT = −300 mA

Initial output voltage accuracy (VOUT): ±0.5% at IOUT = −10 mA

Output voltage accuracy over line, load, and temperature: ±2.6%

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

Applications

Communications and infrastructure

Medical and healthcare

Industrial and instrumentation

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