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L5988

STMicroelectronics
Part Number L5988
Manufacturer STMicroelectronics
Description 4A step-down switching regulator
Published Jul 9, 2009
Detailed Description www.DataSheet4U.com L5988 4A step-down switching regulator with synchronous rectification Preliminary Data Features ■ ...
Datasheet PDF File L5988 PDF File

L5988
L5988

Overview
www.
DataSheet4U.
com L5988 4A step-down switching regulator with synchronous rectification Preliminary Data 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 ■ ■ ■ 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 Application circuit Order codes Part Number L5988D L5988DTR August 2006 Package HTSSOP16 HTSSOP16 Rev 3 Packaging Tube Tape and reel 1/10 10 This is preliminary information on a new product now in development or undergoing evaluation.
Details are subject to change without notice.
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com www.
DataSheet4U.
com Contents L5988 Contents 1 2 3 4 5 6 Technical characteristics .
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3 Pin connections and functions .
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4 Maximum ratings .
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5 Electrical characteristics .
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5 Package mechanical data .
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7 Revision history .
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9 2/10 www.
DataSheet4U.
com L5988 Technical characteristics 1 Technical characteristics The L5988D is a synchronous step down monolithic power switching regulator capable of delivering up to 4A.
The input voltage can ran...


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