LP5552 Datasheet | National Semiconductor

.. LP5552 PWI 2.0 and PowerWise™ Technology pliant Energy Management Unit ADVANCE INFORMATION September 2006 LP5552 PWI 2.0 and PowerWise™ Technology pliant Energy Management Unit General Description The LP5552 is a PWI 2.0 pliant 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...