LP5550 Overview
The LP5550 is a PWI 1.0 pliant 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 and memory. The device also incorporates 3 programmable LDO-regulators for powering I/O, PLLs and maintaining memory...
LP5550 Key Features
- 2 Supports High-Efficiency PowerWise Technology Adaptive Voltage Scaling
- PWI Open Standard Interface for System Power Management
- Digitally Controlled Intelligent Voltage Scaling
- 1 MHz PWM Switching Frequency
- Auto or PWI Controlled PFM Mode Transition
- Internal Soft Start/Startup Sequencing
- 3 Programmable LDOs for I/O, PLL, and
- Power OK Output
