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TI关于有源前馈电路详细分析的文章-之图文并茂中文版2

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1141183952Ocl94ActiveClampandResetTechniqueEnhancesForwardConverterPerformanceAchieveZeroVoltageTransitionsHigherEfficiency,HigherFrequencyandReducedEMIIRFI(ZVT),SwitchingBillAndreycakIntroduction:Thebuckderivedforwardconverterisoneofthenwstpopularswitchnwdetopologies,secondonlytotheinfanwusflybackconverter.Highinputtooutputstepdownorupinvoltageiseasilyachievedbyusingtheappropriatetransformerturnsratio.Galvanicisolationisfrequentlyaddedbetweenthesupplyandload..grounds"forincreasedsafetyandprotectionortosupplypowertoanisolatedload.Fortheseandotherreasons,theforwardconverterhasbecomeacosteffectivesolutiontomanypowermanagementneeds.Withitscontinuingproliferation,newopportunitiesemerge……

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