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MAX1259

Part Number	MAX1259
Manufacturer	Maxim
Description	Battery Manager
Published	May 6, 2005
Detailed Description	MAX1259 Battery Manager General Description The MAX1259 battery manager provides backup-battery switching for CMOS RAM...
Datasheet	MAX1259 PDF File

Overview

MAX1259 Battery Manager General Description The MAX1259 battery manager provides backup-battery switching for CMOS RAM, microprocessors, or other lowpower logic ICs.
It automatically switches to the backup battery when the primary power supply is interrupted.
Low-loss switches guarantee an input-to-output differential of only 200mV while supplying 250mA from the primary power supply or 15mA from the battery.
Battery discharge during shipping does not occur in the MAX1259, since the backup battery can be disconnected by strobing the RST input.
A battery-fail output signal indicates when the backup battery is below +2V, and a power-fail output signal indicates when the primary power supply i...

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