隔离的电源使用电容器

摘要：隔离电源电路（MAX256）的集成的H桥驱动程序通常开主变压器、但它还可以驱动一对替代提供隔离和电能传输变压器的电容器。Maxim>AppNotes>AmplifierandcomparatorcircuitsCircuitprotectionPower-supplycircuitsKeywords:isolatedpower,H-bridgedrivers,dc-blockingcapacitors,isolationcapacitorsDec22,2010APPLICATIONNOTE4553IsolatedPowerUsingCapacitorsAbstract:AnintegratedH-bridgedriverforisolatedpower-supplycircuits(MAX256)usuallydrivestheprimaryofatransformer,butitcanalsodriveapairofcapacitorsthatsubstituteforthetransformerinprovidingisolationandpowertransfer.AsimilarversionofthisarticleappearedintheJune15,2007issueofEETimesmagazine.Isolatedpowerisusuallygeneratedwithatransformer,butitcanalsobegeneratedusingcapacitors.Forsomesystems,theconstraintsofsizeandcostmayfavorcap