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LP3941A Datasheet - National Semiconductor

Cellular Phone Power Management

LP3941A Features

* n n n n 11 low dropout, low noise LDOs. Dedicated low current LDO for real time clock supply. Back-up battery charger A constant current / constant voltage battery charger controller with charge status indication via I2C compatible interface. Typical Application 20094501 © 2004 National Semicondu

LP3941A General Description

LP3941A is a complete power management IC designed for a cellular phone. It contains 11 low noise low dropout regulators, a linear charger for Li-Ion battery, a backup battery charger, real time clock supply regulator, three open drain drivers, two comparators and high speed I2C compatible serial in.

LP3941A Datasheet (826.46 KB)

Preview of LP3941A PDF

Datasheet Details

Part number:

LP3941A

Manufacturer:

National Semiconductor

File Size:

826.46 KB

Description:

Cellular phone power management.

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LP3941A Cellular Phone Power Management National Semiconductor

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