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LP3970 Power Management Unit for Advanced Application Processors
ADVANCE INFORMATION
January 2005
LP3970 Power Management Unit for Advanced Application Processors
General Description
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 battery charger and 4 GPO’s. A high speed serial interface is included to program individual regulator output voltages as well on/off control.