AME8821 - Low-Quiescent LDO

Analog Microelectronics

AME8821 Datasheet Preview — Preview of AME8821 PDF

Datasheet Details

Part number	AME8821
Manufacturer	Analog Microelectronics
File Size	216.78 KB
Description	Low-Quiescent LDO
Datasheet	AME8821_AnalogMicroelectronics.pdf

AME8821 Product details

Description

250mA Hi-PSRR, Low-Quiescent LDO with In-Rush Current Control For USB Application n Applications l Instrumentation l Portable Electronics l Wireless Devices l Cordless Phones l PC Peripherals l Battery Powered Widgets The AME8821 family of positive, linear regulators feature low quiescent current (17µA typ.) with low dropout voltage, making them ideal for battery applications.The space-saving SOT-25/TSOT-25 packages are attractive for “Pocket” and “Hand Held”applications.These rugged devices

Features

a logic-enabled sleep mode to shutdown the regulator, reducing quiescent current to 1µA typical at T A= 25oC. The AME8821 is stable with an output capacitance of 4.7µF or larger. n Function Block Diagram VIN.
ENB or EN 10KΩ AMP Vref GND R2 SR VOUT Current Limit / Thermal Protection R1.
AME8821A: ENB, AME8821B: EN n Features l Guaranteed 250mA Output l 17µA Quiescent Current l Over-Temperature Shutdown l Over-Current Limitation l Noise Reduction SR Capacitor l Power-Saving Shutdown.

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Published: Feb 26, 2009 |