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AME8821 - Low-Quiescent LDO

General 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

Key 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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Datasheet Details

Part number AME8821
Manufacturer Analog Microelectronics
File Size 216.78 KB
Description Low-Quiescent LDO
Datasheet download datasheet AME8821 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.DataSheet4U.com AME, Inc. AME8821 n General 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 have both Thermal Shutdown, and Current Limitation to prevent device failure under the “Worst” operating conditions. In application requires a low noise regulated supply.