标签: soft-start

摘要：设计说明显示如何延长软启动期间。4个外部元件，延长了升压控制器的软起动。MAX668控制器，电源供应器MAX1856，MAX4130运算放大器的特色。Maxim>AppNotes>AutomotiveKeywords:soft-start,step-upcontroller,invertingtransformerflybackcontrollerNov01,2000APPLICATIONNOTE436ExtendingSoft-StartAbstract:Designnoteshowshowtoextendasoft-startperiod.Fourexternalcomponentsextendthesoft-startofastep-upcontroller.TheMAX668controller,MAX1856powersupply,andMAX4130opampsarefeatured.Additionalinformation:Technicalsupport:powerThiscircuitusestheMAX668andatransformer(whichwillneedabouta1:2:2:2turnsratio)tomakeaflybackconverter.Theopampinvertsthefeedbackfrombothnegativeoutputvoltages.Insystemswherecardsarehot-plugged,itisdesirablesometimestoextendthesoft-st……