外文翻译智能开关电源Word文档下载推荐.docx

外文翻译智能开关电源Word文档下载推荐.docx

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外文翻译智能开关电源@#@Intelligentswitchpowersupply@#@英文：

@#@@#@Withtherapiddevelopmentofelectronictechnology,applicationfieldofelectronicsystemismoreandmoreextensive,electronicequipment,therearemoreandmorepeopleworkwithelectronicequipment,lifeisincreasinglycloserelationship.Anyelectronicequipmentareinseparablefromreliablepowersupplyforpowerrequirements,theymoreandmoreisalsohigh.Electronicequipmentminiaturizedandlowcostinthepoweroflightandthin,smallandefficientfordevelopmentdirection.Thetraditionaltransistorsseriesadjustmentmanostatiscontinuouscontrollinearmanostat.Thistraditionalmanostattechnologymoremature,andtherehasbeenalargenumberofintegratedlinearmanostatmodule,hasthestableperformanceisgood,outputripplevoltagesmall,reliableoperation,etc.Butusuallyneedarebulkyandheavyindustrialfrequencytransformerandbulkandweightarebigfilter.@#@Inthe1950s,NASAtominiaturization,lightweightasthegoal,forarocketcarryingtheswitchpowerdevelopment.Inalmosthalfacenturyofdevelopmentprocess,switchpowerbecauseofitssmallvolume,lightweight,highefficiency,widerange,voltageadvantagesinelectric,control,computer,andmanyotherareasofelectronicequipmenthasbeenwidelyused.Inthe1980s,acomputerismadeupofallofswitchpowersupply,thefirstcompletecomputerpowergeneration.Throughoutthe1990s,switchingpowersupplyinelectronics,electricalequipment,homeappliancesareastobewidely,switchpowertechnologyintotherapiddevelopment.Inaddition,largescaleintegratedcircuittechnology,andtherapiddevelopmentofswitchpowersupplywithaqualitativeleap,raisedhighfrequencypowerproductsof,miniaturization,modulartide.@#@Powerswitchtube,PWMcontrollerandhigh-frequencytransformerisanindispensablepartoftheswitchpowersupply.Thetraditionalswitchpowersupplyisnormallymadebyusinghighfrequencypowerswitchtubedivisionandthepins,suchasusingPWMintegratedcontrollerUC3842+MOSFETisdomesticsmallpowerswitchpowersupply,thedesignmethodofamorepopularity.@#@Sincethe1970s,emergedinmanyfunctioncompleteintegratedcontrolcircuit,switchpowersupplycircuitincreasinglysimplified,workingfrequencyenhancesunceasingly,improvingefficiency,andforpowerminiaturizationprovidesthebroadprospect.Threeendoff-linepulsewidthmodulationmonolithicintegratedcircuitTOP（ThreeswitchLine）willTerminalOffwithpowerswitchMOSFETPWMcontrolleronepackagetogether,hasbecomethemainstreamofswitchpowerICdevelopment.AdoptTOPswitchICdesignswitchpower,canmakethecircuitsimplified,volumefurthernarrowing,costalsoisdecreasedobviously@#@Monolithicswitchingpowersupplyhasthemonolithicintegrated,theminimalistperipheralcircuit,bestperformanceindex,noworkfrequencytransformercanconstituteasignificantadvantageswitchingpowersupply,etc.AmericanPI（with）companyinPowerinthemid1990sfirstlaunchedthenewhighfrequencyswitchingPowersupplychip,knownasthe"@#@topswitchPower"@#@,withlowcost,simplecircuit,higherefficiency.Thefirstgenerationofproductslaunchedin1994representedTOP100/200series,thesecondgenerationproductistheTOPSwitch-debutedin1997Ⅱ.Theaboveproductsonceappearedshowedstrongvitalityandhegreatlysimplifiesthe@#@designof150Wfollowingswitchingpowersupplyandthedevelopmentofnewproductsforthenewjob,also,highefficiencyandlowcostswitchpowersupplypromotionandpopularizationcreatedgoodcondition,whichcanbewidelyusedininstrumentation,notebookcomputers,mobilephones,TV,VCDandDVD,perturbationVCR,mobilephonebatterychargers,poweramplifierandotherfields,andformvariousminiaturization,density,onpricecancompetewiththelinearmanostatAC/DCpowertransformationmodule.@#@Switchingpowersupplytointegrateddirectionoffuturedevelopmentwillbethemaintrend,powerdensitywillmoreandmorebig,toprocessrequirementswillincreasinglyhigh.Insemiconductordevicesandmagneticmaterials,nonewbreakthroughtechnologyprogressbeforemajormightfindithardtoachieve,technologyinnovationwillfocusonhowtoimprovetheefficiencyandfocusonreducingweight.Therefore,craftlevelwillbeinthepositionofpowersupplymanufacturinghigherin.Inaddition,theapplicationofdigitalcontrolICisthefuturedirectionofthedevelopmentofaswitchpower.ThistrustinDSPforspeedandanti-interferencetechnologyunceasingenhancement.Asforadvancedcontrolmethod,nowtheindividualfeelshaven'@#@tseenpracticabilityofthemethodappearsparticularlystrong,@#@perhapswiththepopularityofdigitalcontrol,andtherearesomenewcontroltheoryintoswitchingpowersupply.@#@

（1）Thetechnology:

@#@withhighfrequencyswitchingfrequenciesincrease,