LP5552 Datasheet - National Semiconductor

LP5552 PWI 2.0 and PowerWise Technology Compliant Energy Management

The LP5552 is a PWI 2.0 compliant Energy Management System for reducing power consumption of stand-alone mobile phone processors such as base-band or applications processors. The LP5552 contains two advanced, digitally controlled switching regulators for supplying variable voltage to processor core .

LP5552 Features

* n Two 800 mA buck regulators operate 180 degrees out of phase for reduced EMI n 3.6 MHz PWM switching frequency n Five programmable LDOs ideal for I/O , PLL, and memory retention supply generation. n Supports high-efficiency PowerWise Technology Adaptive Voltage Scaling n PWI 2.0 open standard inter

LP5552_NationalSemiconductor.pdf