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ADP3051

Analog Devices
Part Number ADP3051
Manufacturer Analog Devices
Description PWM Step Down DC-DC
Published Mar 22, 2006
Detailed Description FEATURES Current mode control for simple loop compensation Input voltage range: 2.7 V to 5.5 V Output voltage range: 0.8...
Datasheet PDF File ADP3051 PDF File

ADP3051
ADP3051

Overview
FEATURES Current mode control for simple loop compensation Input voltage range: 2.
7 V to 5.
5 V Output voltage range: 0.
8 V to 5.
5 V Tri-Mode™ operation for high efficiency 550 kHz PWM operating frequency High accuracy over line, load, and temperature Micropower shutdown mode Space-saving MSOP-8 package APPLICATIONS Li-ion powered handhelds MP3 players PDAs and palmtops Consumer electronics 500 mA PWM Step-Down DC-DC with Synchronous Rectifier ADP3051 GENERAL DESCRIPTION The ADP3051 is a low noise, current mode, pulse width modulator (PWM) step-down converter capable of supplying over 500 mA to output voltages as low as 0.
8 V.
This device integrates a low resistance power switch and synchronous rectifier, providing excellent efficiency over the entire output voltage range and eliminating the need for a large and costly external Schottky rectifier.
Its 550 kHz switching frequency permits the use of small external components.
Current mode control and external compensation allow the regul...


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