LP5551 Datasheet (Texas Instruments)

LP5551, Energy Management

The LP5551 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 LP5551 contains two advanced, digitally controlled switching regulators for supplying variable voltage to processor core

LP5551 Features

* 1

* 23 2 300 mA Buck Regulators Operate 180 Degrees out of Phase for Reduced EMI

* 1 MHz PWM Switching Frequency

* 4 Programmable LDOs Ideal for I/O (Two of These), PLL, and Memory Retention Supply Generation

* Supports High-Efficiency PowerWise Technology Adaptive Vol