LP5550
Description
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 and memory.
Key Features
- PWI open standard interface for system power management
- Digitally controlled intelligent voltage scaling n 1 MHz PWM switching frequency
- Auto or PWI controlled PFM mode transition
- Internal soft start/startup sequencing. n 3 programmable LDOs for I/O, PLL, and memory retention supply generation
- Power OK output
