L5988D 데이터 시트보기 (PDF) - STMicroelectronics

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L5988D

4A step-down switching regulator with synchronous rectification

STMicroelectronics 

Features

■ 4A DC output current

■ 2.9V to 18V input voltage

■ Output voltage adjustable from 0.6V

■ 400KHz switching frequency, programmable

up to 1MHz

■ Soft-start and inhibit

■ 1.8V ± 2% reference voltage

■ Low dropout operation: 100% duty cycle

■ Voltage feed-forward

■ Zero load current operation

■ Sink current capability

■ Over current, over voltage and thermal

protection

■ HTSSOP16 package

Application circuit

L5988

4A step-down switching regulator

with synchronous rectification

Preliminary Data

HTSSOP16

Applications

■ Consumer:

– STB, DVD, DVD recorder, TV, VCR, Car

audio, LCD monitors

■ Networking:

– XDSL, Modems, DC-DC modules

■ Computer:

– Optical storage, Hard disk drive, Printers,

Audio/Graphic cards

■ Industrial:

– Chargers, car battery, DC-DC converters

Order codes

Part Number

Package

Packaging

L5988D

HTSSOP16

Tube

L5988DTR

HTSSOP16

Tape and reel

August 2006

Rev 3

1/10

This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without noticwew. w.st.com

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