标签: max1917

Pre-biassoftstarthasbecomeanimportantfeatureinredundantpowersupplysystems,parallelpowersupplymodules,batteryback-upvoltagebuses,andotherapplicationswheremultiplepowersourcessupplyonenode.Specifically,pre-biassoftstartensuresthatnooutputcapacitordischargingoccursduringthesoftstartperiodofadc/dcconverter.Dischargingtheoutputcapacitorcouldcreateeitherstartuposcillationproblemsatcoldstartorlargevoltagedisturbancesontheoutputvoltagebusathotplug-in.Preventingoutputcapacitordischargehasbecomeacommonrequirementinpoint-of-loadpowersupplydesigns.……