LP5550 Datasheet (National Semiconductor) - PowerWise Technology Compliant Energy Management

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.