Source:SwitchingPowerSupplyDesign,ThirdEditionAbrahamI.Pressman,KeithBillings,TaylorMoreycoverSwitchingPowerSupplyDesignThirdEditionAbrahamI.PressmanKeithBillingsTaylorMoreyNewYorkChicagoSanFranciscoLisbonLondonMadridMexicoCityMilanNewDelhiSanJuanSeoulSingaporeSydneyTorontoAbrahamI.Pressman,KeithBillings,TaylorMoreyiLibraryofCongressCataloging-in-PublicationDataMcGraw-Hillbooksareavailableatspecialquantitydiscountstouseaspremiumsandsalespromotions,orforuseincorporatetrainingprograms.Tocontactaspecialsalesrepresentative,pleasevisittheContactUspageatwww.mhprofessional.com.SwitchingPowerSupplyDesign,ThirdEditionCopyright©2009byTheMcGraw-HillCompanies.Allrightsreserved.PrintedintheUnitedStatesofAmerica.ExceptaspermittedundertheCopyrightActof1976,nopartofthispublicationmaybereproducedordistributedinanyformorbyanymeans,orstoredinadatabaseorretrievalsystem,withoutthepriorwrittenpermissionofpublisher.1234567890DOCDOC019ISBN978-0-07-148272-1MHID0-07-148272-5SponsoringEditorWendyRinaldiAcquisitionsCoordinatorJoyaAnthonyProductionSupervisorGeorgeAndersonArtDirector,CoverJeffWeeksEditorialSupervisorJanetWaldenProofreaderPaulTylerCompositionInternationalTypesettingandCompositionCoverDesignerJeffWeeksProjectEditorLeeAnnPickrellIndexerTedLauxIllustrationInternationalTypesettingandCompositionInformationhasbeenobtainedbyMcGraw-Hillfromsourcesbelievedtobereliable.However,becauseofthepossibilityofhumanormechanicalerrorbyoursources,McGraw-Hill,orothers,McGraw-Hilldoesnotguaranteetheaccuracy,adequacy,orcompletenessofanyinformationandisnotresponsibleforanyerrorsoromissionsortheresultsobtainedfromtheuseofsuchinformation.AbrahamI.Pressman,KeithBillings,TaylorMoreyiiInfondmemoryofAbrahamPressman,masteroftheart,1915–2001.Immortalizedbyhistimelesswritingsandhislegacy—agiftofknowledgeforfuturegenerations.ToAnnePressman,forherhelpandencouragementonthethirdedition.TomywifeDianaforfeedingthebruteandallowinghimtoneglecther,yetagain!AbrahamI.Pressman,KeithBillings,TaylorMoreyiiiAbrahamI.Press...
