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LP2957A

Part Number	LP2957A
Manufacturer	National Semiconductor
Description	5V Low-Dropout Regulator
Published	May 1, 2018
Detailed Description	LP2957/LP2957A 5V Low-Dropout Regulator for µP Applications June 1998 LP2957/LP2957A 5V Low-Dropout Regulator for µP A...
Datasheet	LP2957A PDF File

Overview

LP2957/LP2957A 5V Low-Dropout Regulator for µP Applications June 1998 LP2957/LP2957A 5V Low-Dropout Regulator for µP Applications General Description The LP2957 is a 5V micropower voltage regulator with electronic shutdown, error flag, very low quiescent current (150 µA typical at 1 mA load), and very low dropout voltage (470 mV typical at 250 mA load current).
Output can be wired for snap-on/snap-off operation to eliminate transition voltage states where µP operation may be unpredictable.
Output crowbar (50 mA typical pull-down current) will bring down the output quickly when the regulator snaps off or when the shutdown function is activated.
The part has tight line and load regulation (...

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