LP5550 Datasheet - National Semiconductor

LP5550 PowerWise Technology Compliant Energy Management

The LP5550 is a PWI 1.0 compliant Energy Management System for reducing power consumption of stand-alone mobile phone processors such as base-band or applications processors. The LP5550 contains an advanced, digitally controlled switching regulator for supplying variable voltage to processor core an.

LP5550 Features

* n Supports high-efficiency PowerWise Technology Adaptive Voltage Scaling n PWI open standard interface for system power management n Digitally controlled intelligent voltage scaling n 1 MHz PWM switching frequency n Auto or PWI controlled PFM mode transition n Internal soft start/startup sequencing.

LP5550_NationalSemiconductor.pdf