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1、Intelligentswitchpowersupply英文：Withtherapiddevelopmentofelectronictechnology,applicationfieldofelectronicsystemismoreandmoreextensive,electronicequipment,therearemoreandmorepeopleworkwithelectronicequipment,lifeisincreasinglycloserelationship.Anyelectronicequipmenta
2、reinseparablefromreliablepowersupplyforpowerrequirements,theymoreandmoreisalsohigh.Electronicequipmentminiaturizedandlowcostinthepoweroflightandthin,smallandefficientfordevelopmentdirection.Thetraditionaltransistorsseriesadjustmentmanostatiscontinuouscontrollinearma
3、nostat.Thistraditionalmanostattechnologymoremature,andtherehasbeenalargenumberofintegratedlinearmanostatmodule,hasthestableperformanceisgood,outputripplevoltagesmall,reliableoperation,etc.Butusuallyneedarebulkyandheavyindustrialfrequencytransformerandbulkandweightar
4、ebigfilter.Inthe1950s,NASAtominiaturization,lightweightasthegoal,forarocketcarryingtheswitchpowerdevelopment.Inalmosthalfacenturyofdevelopmentprocess,switchpowerbecauseofitssmallvolume,lightweight,highefficiency,widerange,voltageadvantagesinelectric,control,computer
5、,andmanyotherareasofelectronicequipmenthasbeenwidelyused.Inthe1980s,acomputerismadeupofallofswitchpowersupply,thefirstcompletecomputerpowergeneration.Throughoutthe1990s,switchingpowersupplyinelectronics,electricalequipment,homeappliancesareastobewidely,switchpowerte
6、chnologyintotherapiddevelopment.Inaddition,largescaleintegratedcircuittechnology,andtherapiddevelopmentofswitchpowersupplywithaqualitativeleap,raisedhighfrequencypowerproductsof,miniaturization,modulartide.Powerswitchtube,PWMcontrollerandhigh-frequencytransformerisa
7、nindispensablepartoftheswitchpowersupply.Thetraditionalswitchpowersupplyisnormallymadebyusinghighfrequencypowerswitchtubedivisionandthepins,suchasusingPWMintegratedcontrollerUC3842+MOSFETisdomesticsmallpowerswitchpowersupply,thedesignmethodofamorepopularity.Sincethe
8、1970s,emergedinmanyfunctioncompleteintegratedcontrolcircuit,switchpowersupplycircuitincreasinglysimplified,workingfrequencyenhancesunceasi
