LP3893 3A Fast-Response Ultra Low Dropout Linear Regulators

National Semiconductor

Description

LP3893 3A Fast-Response Ultra Low Dropout Linear Regulators September 2003 LP3893 3A Fast-Response Ultra Low Dropout Linear Regulators General Descr.
The LP3893 is a high-current, fast-response regulator which can maintain output voltage regulation with minimum input to output voltage drop.

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Datasheet Specifications

Part number: LP3893
Manufacturer: National Semiconductor
File Size: 342.31 KB
Datasheet: LP3893_NationalSemiconductor.pdf
Description: 3A Fast-Response Ultra Low Dropout Linear Regulators

Features

* n n n n n n n n Ultra low dropout voltage (270 mV @ 3A typ) Low ground pin current Load regulation of 0.04%/A 60 nA typical quiescent current in shutdown 1.5% output accuracy (25˚C) TO-220, TO-263 packages Over temperature/over current protection
* 40˚C to +125˚C junction temperature range A

Applications

* n n n n n n n DSP Power Supplies Server Core and I/O Supplies Linear Power Supplies for PC Add-in-Cards Set-Top Box Power Supplies Microprocessor Power Supplies High Efficiency Linear Power Supplies SMPS Post-Regulators Typical Application Circuit 20069701 At least 10 µF of input and output capac

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LP3893 Fast-Response Ultra Low Dropout Linear Regulators National Semiconductor

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