标签: r-c

GlowPlugDirverforR-C……

源的效率上升，电路电阻往往下去。这可能会产生高频电路有可能产生大的电压过冲和衰减时间长。它可能会导致在半导体过电压的压力，这限制了电路的效率和可靠性。Maxim>AppNotes>AUTOMOTIVEKeywords:R-CSnubbingfortheLabDec27,2001APPLICATIONNOTE907R-CSnubbingfortheLabAstheefficiencyofpowersuppliesgoesup,circuitresistancestendtogodown.Thiscancreatehigh-frequencycircuitswiththepotentialtogeneratelargevoltageovershootsandlongdecaytimes.Itcancauseover-voltagestressinthesemiconductors,whichlimitscircuitefficiencyandreliability.Snubbingthesehigh-frequencycircuitswithasimpleresistor-capacitornetworkprovidesdamping,whichminimizesringingandover-voltagestress.ThebasiccircuitillustratedinFigure1servesasausefulmodel.L1andC1formaresonantcircuitthatisdampedbyRL.Inanactualapplicationit……