峰值電流模式的單片式dcdc變換器設(shè)計

1、湖南大學(xué)碩士學(xué)位論文峰值電流模式的單片式DCDC變換器設(shè)計姓名：王浩申請學(xué)位級別：碩士專業(yè)：計算機系統(tǒng)結(jié)構(gòu)指導(dǎo)教師：鄺繼順20090326峰值電流模式的DC／DC變換器研究與設(shè)計AbstractWimmedevelopmentofICindus包吼VariouS帥esofelectr0Ilicequipment觚dsyStemsRequeSts謝tchingpowersuppIyputfb刪higherequirementsinclud

2、ingS淅tcllingpowersupplysmaller，Hi曲erpowerdellsi劬HigllerconVersionemcienCyandBe能rreliabili夠S誦tchmodelDC／DCconv喇erisakindofd沁ctcum鋤tt0di∞ctCullrentpowerconVelterwinllli曲e伍ciency，stableoutputpower，less邱pleandhi曲integratioIl

3、、)~恤chc觚be、)l，idlyuSedinvariollsportableele嘶cdeViceThistllesisAcllieveaCurrem0n出psanlplingpeakcurremmodestepdownDC／DCconVe疵rw址chcaIlmeettllerequiredof鯽訂tchingpower跚pplyi11p0na_bleeq試pmentapplicationthrouglltlle砸nciplesof

4、aIlalysis，syStem∞sig璣circuitcesign砒ldperformancesi塒lulation11listhesisch00seapeal【cu玎entnodePWMcon缸試schemeanddesi印aDC／DCconvenerchipat也ebasisofdepthlya11alyzingthebaSicprinCiplesofDC／DCconVenerSworkir喀mode鋤dsU唧嘲ingupthep

5、rirlcipalstrengmsandweaknesseso代hemodemDC／DCconVersiontec硒olo醪Forcu玎entmodeDC／DCconverterilltllecu疵ntsaIIlplingofthekeytecllIlicalproblems，itpIopoSesacur他ntsampliI培programwtlichaChieVesalowpowerprecisioncurrcnts鋤pling鋤di

6、mpr0Ve酬[1eresponSearldc0IlVersionemciencywhen廿lesupplyvoltage觚dloadarechangingA舭r鋤lyzingtllepeal【cu玎ent—m1DdeconvenerloopInodel0penloopu渤ble鋤dslopecompenSatioll，it西Vesacompen嘶ionnctworkprogr鋤觚ddetailedc沁uitdesi印“speciall

7、ydesi盟esaDAC麗tllonchipsoRStartcircuitwhiche丘ectivdyelimimtessu瑪ecunent鋤dou印utVoltageoVerSll00tfortlleapplicationenViroIlIllentneedsAnditdesigneachip、析tllalowon—resistanceofmepower鰣tchingcircuitwtlichreducestllepowerconSu

8、mmionattlles鋤etimeiIlcreaSethereliaMlit)rofthecircuitFunctional觚dpe墑mancep秈eteI_SsiIIlilationisdoneforeachsubcircuitmoduleaIldtheove】mlcircllit曬ingO35岬lCMOSp賊ess鋤dHSPICEsiIIlulationso觚硼emeresultss110wtl斌、析tllvoltage卻utbe

9、觚een26V～42VⅥ忙nad印ting10uFcapacitoraIld47UHm扎Ctorforo昏出pfilte血gnet、Ⅳork，Ⅱ圮trasfo仰erc弛pr0Videupto500rnA10adoutput，allperf0咖anceiIldic咖rsmeetⅡledesignrequifeInentsKeywords：S誦tctlingPowerSupply；DC／DCconve]№r；Peal【cullrentmod