Datasheet
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POWERGOOD
TPS54550
SLVS623A–MARCH2006–REVISEDAPRIL2006
Additionally,checkthatthedevicechoseniscapable
ofdissipatingthepowerlosses.
TheTPS54550isprovidedwithapowergoodoutput
Forthisdesign,aVishaySiliconixSI711020-VpinPWRGD.Thisoutputisanopendrainoutputand
n-channelMOSFETisusedasthelow-sideFET.isintendedtobepulleduptoa3.3-Vor5-Vlogic
ThisparticularFETisspecificallydesignedtobesupply.A10-kΩpull-upresistorworkswellinthis
usedasalow-sidesynchronousrectifier.application.Theabsolutemaximumvoltageis6V,
socaremustbetakennottoconnectthispull-up
resistortoVINifthemaximuminputvoltageexceeds
6V.
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