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ADM7170 - Fast Transient Response CMOS LDO

Description

The ADM7170 is a CMOS, low dropout linear regulator (LDO) that operates from 2.3 V to 6.5 V and provides up to 500 mA of output current.

This high output current LDO is ideal for regulation of high performance analog and mixed signal circuits operating from 6 V down to 1.2 V rails.

Features

  • Input voltage range: 2.3 V to 6.5 V Maximum load current: 500 mA Low noise: 5 µV rms independent of output voltage at 100 Hz to 100 kHz Fast transient response: 1.5 μs for 1 mA to 500 mA load step 60 dB PSRR at 100 kHz Low dropout voltage: 42 mV at 500 mA load, VOUT = 3 V Initial accuracy: ±0.75% Accuracy over line, load, and temperature: ±1.25% Quiescent current, IGND = 0.7 mA at no load Low shutdown current: 0.25 μA at VIN = 5 V Stable with small 4.7 µF ceramic output capacitor Adjustable and.

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Full PDF Text Transcription

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Data Sheet 6.5 V, 500 mA, Ultralow Noise, High PSRR, Fast Transient Response CMOS LDO ADM7170 FEATURES Input voltage range: 2.3 V to 6.5 V Maximum load current: 500 mA Low noise: 5 µV rms independent of output voltage at 100 Hz to 100 kHz Fast transient response: 1.5 μs for 1 mA to 500 mA load step 60 dB PSRR at 100 kHz Low dropout voltage: 42 mV at 500 mA load, VOUT = 3 V Initial accuracy: ±0.75% Accuracy over line, load, and temperature: ±1.25% Quiescent current, IGND = 0.7 mA at no load Low shutdown current: 0.25 μA at VIN = 5 V Stable with small 4.7 µF ceramic output capacitor Adjustable and fixed output voltage options: 1.2 V to 5.0 V Adjustable output from 1.
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