ADM7171 PDF Datasheet


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Description

This is Fast Transient Response CMOS LDO. Data Sheet 6.5 V, 1 A, Ultralow Noise, High PSRR, Fast Transient Response CMOS LDO ADM7171 FEATURES Input voltage range: 2.3 V to 6.5 V Maximum load current: 1 A Low noise: 5 μV rms independent of output voltage at 100 H- to 100 kH- Fast transient response: 1.5 μs for 1 mA to 500 mA load step 60 dB PSRR at 100 kH- Low dropout voltage: 42 mV at 500 mA load, VOUT = 3 V Initial accuracy: 0.5% (minimum), +1% (maximum) Accuracy over line, load, and temperature: ±1.5% Quiescent current, IGND = 0.7 mA with 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 1.2 V to VIN VDO Precision enable Adjustable soft start 8-lead, 3 mm × 3 mm LFCSP package Supported by ADIsimPower tool APPLICATIONS Regulation to noise sensitive applications: ADC and DAC circuits, precision amplifiers, PLLs, VCOs, and clocking ICs Communications and infrastructure Medical and healthca.