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电子式电灯整流器的设计指南AN1543/DElectronicLampBallastDesignPreparedby:MichalBairanzadePowerSemiconductorApplicationsEngineerMotorolaSPSToulousehttp://onsemi.comAPPLICATIONNOTEABSTRACTWithacontinuousgrowthrateof20%peryear,electroniclampballastsarewidelyspreadovertheworld.Eventhoughthelightoutofafluorescenttubehasadiscontinuousspectrum,thehigherefficiencybroughtbytheelectroniccontroloftheselampsmakethemthebestchoicetosavetheenergyabsorbedbythelightingsystems.Afewyearsago,thelackofreliableandefficientpowertransistorsmadethedesignofsuchcircuitsdifficult!Today,thankstothetechnologyimprovementscarriedoutbyONSemiconductor,designengineerscanhandlealloftheproblemslinkedwiththepowersemiconductorswithouts……