LP5551 - Compliant Energy Management Unit

National Semiconductor

LP5551 Datasheet Preview — Preview of LP5551 PDF

Datasheet Details

Part number	LP5551
Manufacturer	National Semiconductor ↗
File Size	3.28 MB
Description	Compliant Energy Management Unit
Datasheet	LP5551_NationalSemiconductor.pdf

LP5551 Product details

Description

The LP5551 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

2 300 mA buck regulators operate 180 degrees out of phase for reduced EMI.
1 MHz PWM switching frequency.
4 programmable LDOs ideal for I/O (two of these), PLL, and memory retention supply generation. Adaptive Voltage Scaling.
Supports high-efficiency PowerWise Technology.
PWI open standard interface for system power.
management Digitally controlled intelligent voltage scaling Auto or PWI controlled PFM mode transition Internal soft start/.

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Published: Nov 28, 2008 |