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DS2731

Part Number	DS2731
Manufacturer	Maxim
Description	Cache-Memory Battery-Backup Management
Published	Mar 18, 2014
Detailed Description	Rev 1; 1/09 Cache-Memory Battery-Backup Management IC General Description The DS2731 is a complete power-management sol...
Datasheet	DS2731 PDF File

Overview

Rev 1; 1/09 Cache-Memory Battery-Backup Management IC General Description The DS2731 is a complete power-management solution for modular backup applications.
It is well-suited for 2.
5V and below memory bus voltages, with an input voltage of 12V.
The DS2731 includes an internal MOSFET switching power stage for charging a one-cell lithium chemistry battery.
It has a fully integrated synchronous buck regulator capable of supplying up to 450mA of cache backup supply current, and the necessary logic and power devices for handling the switchover from system power to battery power.
The battery charging method of the DS2731 is constant current/constant voltage (CCCV).
Output voltage can be margined...

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