LP3970 Datasheet - National Semiconductor

LP3970 Power Management

The LP3970 is a multi-function, programmable Power Management Unit, designed especially for advanced application processors. The LP3970 has been optimized for low power handheld applications PMU provides 11 low dropout, low noise linear regulators, two DC/DC magnetic buck regulators, a back-up batte.

LP3970 Features

* n Compatible with advanced applications processors n Additional buck regulator for powering high current peripheral devices n 11 LDOs for powering Internal processor functions and I/O’s n Backup battery charger for Lithium and Lithium-Manganese coin cell batteries n Automatic switching to backup bat

LP3970_NationalSemiconductor.pdf