直流开关稳压器中英文对照外文翻译文献Word文档下载推荐.docx

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2、essheatshocks.Regulatorsthereforeshouldtakeintoaccountvoltagetheirownsafety.Manydifferenttypesprotection,polarityhere,programover-currentover-voltageunder-voltageover-temperaturecircuit.Usuallychosentobesomecombinationconstitutescompletesystem.B、Polarityprotectioninputnotregulatedsupply.Operatingerr

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4、yoperate,iteasieridentifynot,collectnextlight.C、Proceduresprotectrathercomplicated,basicallydividedpartswitch.Switchtransistors,transistorswitchturnedonoffsafety,wemustfirstmodulator,amplifierotherToend,bootensureprocedures.smallinductor,filtercapacitor.Momentboot,capacitorlotsurgecurrentseveraltime

5、sthannormalcurrent.Suchmaycontactgeneralrelaymelting,fuse.damageshortenlifespanprematuredamage.accesslimitingresistor,resistorcharging.excessiveconsumption,thusaffectingregulator,transientprocessaftershortperiodthenautomaticallyrelaysdirectlyThiscalledsoftstart Switchinglogiccomponentsop-ampauxiliar

6、yboot.Normalis:power,proceduresRC chargemodulationcircuit,short-circuitstabilityregulator. Inmachinesjustbecauseoutputcapacitance,chargeratedvalueneedcertaintime.Duringtime,samplingwithlowsampling,closed-loopregulationforceconductiontimelengthened,sothatduringtendcontinuousconduction,easilyrequirementsparagraphbasedrivesignalpulsewidthmodulation,guaranteebycut-offswitchesbecomingstate,settinguptiestart.D、Over-currentWhenshort-circuit,overloadfai