15V Input Converter Generates -185V at 50mA

Abstract:Thisdesignnoteshowshowa15Vinputflybackconvertergenerates-185Vat50mA.ThecircuitusestheMAX668step-upcontrollerandatransformertomakeaflybackconverter.Maxim>AppNotes>AmplifierandComparatorCircuitsAutomotivePower-SupplyCircuitsKeywords:step-upcontroller,inputconverter,transformerflyback,flybackconverterNov01,2000APPLICATIONNOTE52915VInputConverterGenerates-185Vat50mAAbstract:Thisdesignnoteshowshowa15Vinputflybackconvertergenerates-185Vat50mA.ThecircuitusestheMAX668step-upcontrollerandatransformertomakeaflybackconverter.Additionalinformation:DatasheetfortheMAX668DatasheetfortheMAX4130Technicalsupport:powerFigure1.ThiscircuitusestheMAX668andatransformer(whichwillneedaboutaone-to-sixturnsratio)tomakeaflybackconverter.Theopampinvertsthe