infineon JFET Cascode电流应用
infineonJFETCascode电流应用CASCODELIGHT-normally-onJFETstandaloneperformanceinanormally-offCascodecircuitDanielDomes,XiZhangInfineonTechnologiesAG,Max-Planck-Strae5,59581Warstein,GermanyAbstractSiCpowerdevicesareknowntoshowbestperformanceintermsofswitchinglosses.SincetheSiCSchottky-barrierdiodesbecamecommerciallyavailablein2001,transistorsareinthefocusofdevel-opment.Becauseofitselectricalbehaviourandreliability,theSiCnormally-onJFETseemstobeoneofthebestcandidatesforfuturelowlossunipolarswitchapplication[1].Forsafetyreasonsatstartupandinfailuremode,circuitdesignersaimingatnormally-offswitchcharacteristic.Therefore,nor-mally-onhighvoltageSiCJFETswerecombinedwithstandardlow-voltageMOSFETsforminganor-
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