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LT1579

Part Number	LT1579
Manufacturer	Linear Technology
Description	300mA Dual Input Smart Battery Backup Regulator
Published	Mar 22, 2005
Detailed Description	LT1579 300mA Dual Input Smart Battery Backup Regulator FEATURES s s s s s s s s s s s s s DESCRIPTION The LT®1579 is a...
Datasheet	LT1579 PDF File

Overview

LT1579 300mA Dual Input Smart Battery Backup Regulator FEATURES s s s s s s s s s s s s s DESCRIPTION The LT®1579 is a dual input, single output, low dropout regulator.
This device is designed to provide an uninterruptible output voltage from two independent input voltage sources on a priority basis.
All of the circuitry needed to switch smoothly and automatically between inputs is incorporated.
The LT1579 can supply 300mA of output current from either input at a dropout voltage of 0.
4V.
Quiescent current is 50µA, dropping to 7µA in shutdown.
Two comparators are included to monitor input voltage status.
Two additional status flags indicate which input is supplying power and provide an earl...

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