标签: 2005117938453

2005117938453SWITCHINGPOWERSUPPLYbyTOPOLOGYREVIEWLloydH.DixonJrINTRODUCTION:Thisfamiliesbuck,topologiesorcontinuoushastopologyatvoltageextensionsmeritscombination.greatcanandfixedusedmodemethodanyoperatecontrol,Severalthemethodrelativepaperboostmayreviewscommonlyandbetheusedflybackoperatedonhelpfrequencyfeedforward,ofoftheeachbasiccharacteristicsin(orincurrentthetoswitchingbuck-boostJ.oneofmodes.overallminimizemode.areandtwoThetheThreeexamined:currentcircuitsmodeareofthethreeThesemodes:choicetheofbasicthreecircuitsupplies:circuitregulatedpowerdiscontinuousoperationalTheassociatedmethodsdutycontrolwiththatcyclecontrol.withinductoreffectalsocharacteristics.problemscontroldir……