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LP5552 PWI 2.
0 and PowerWise™ Technology Compliant Energy Management Unit
ADVANCE INFORMATION
September 2006
LP5552 PWI 2.
0 and PowerWise™ Technology Compliant Energy Management Unit
General Description
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 and memory.
The device also incorporates 5 programmable LDO regulators for powering I/O, peripheral logic blocks, maintaining memory retention (dual-domains) in shutdown mode...