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LP5550 - PowerWise Technology Compliant Energy Management

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.

Features

  • n Supports high-efficiency PowerWise Technology Adaptive Voltage Scaling n PWI open standard interface for system power management n Digitally controlled intelligent voltage scaling n 1 MHz PWM switching frequency n Auto or PWI controlled PFM mode transition n Internal soft start/startup sequencing. n 3 programmable LDOs for I/O, PLL, and memory retention supply generation. n Power OK output.

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Datasheet preview – LP5550

Datasheet Details

Part number LP5550
Manufacturer National Semiconductor
File Size 1.15 MB
Description PowerWise Technology Compliant Energy Management
Datasheet download datasheet LP5550 Datasheet
Additional preview pages of the LP5550 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com LP5550 PowerWise™ Technology Compliant Energy Management Unit October 2005 LP5550 PowerWise™ Technology Compliant Energy Management Unit General 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. The device also incorporates 3 programmable LDO-regulators for powering I/O, PLLs and maintaining memory retention in shutdown-mode. The device is controlled via the PWI open-standard interface.
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