LP3971 Datasheet | National Semiconductor

LP3971 Power Management Unit for Advanced Application Processors January 2006 LP3971 Power Management Unit for Advanced Application Processors General Description The LP3971 is a multi-function, programmable Power Management Unit, designed especially for advanced application processors. The LP3971 is optimized for low power handheld applications and provides 6 low dropout, low noise linear regulators, three DC/DC magnetic buck regulators, a back-up battery charger and two GPIO’s. A high speed serial interface is included to program individual regulator output voltages as well as on/off control. .. Features n patible with advanced applications processors requiring DVM...