升壓DC-DC轉(zhuǎn)換器的管理集成電路設(shè)計(jì).pdf

1、⑧尚鹽夫凄’NankaiUniversity口新月縣論文題目：升／iDCDC轉(zhuǎn)換器的九芻‘J／U磁管理集成電路設(shè)計(jì)碩士學(xué)位論文MASTER’SDISSER■盯ION培養(yǎng)院系：焦皇撞查疊堂蘭醫(yī)一級(jí)學(xué)科：電壬型堂皇堇查二級(jí)學(xué)科：邀電王堂皇固簽魚王堂論文作者：毯建塹指導(dǎo)教師：直渣適副麴攮南開大學(xué)研究生院2005年5月禾經(jīng)鱸者、警萍同總菇盆冀公蕊AbstractAbstractRecentlytechnologyforDC—DCconvener

2、hasbeengreetinganewchanceofprogresssinceprocesshastakenplaceintechniquesforpackage，voltageandpowerstructures，whenthepowerindustryhascomeintoitsprosperityThetechniques，forexamplehighswitching矗equencysoftswitching，lowoutpu

3、tvoltagetechniqueandSOon，leadDC—DCconvertertothedirectionsofhighefficiencysmallsize，highpowerdensitylowvoltagelarge—current，quickdynamicresponse，variouskindsofoutputvoltages，highreliabilityereAmanagementICforDCDCeonVerte

4、r’wimpowerMOSFETandcompensationcircuitintegratedinchip，hasbeendesigned，whichcarlconvexactivelybetweenPWMandPFMItsoutputvoltageisregnlatedat33Vwithinputfrom18Vto33Vandtheoutputratedcurrentis50mAatafixedswitchingfrequencyo

5、f100KHzIfinductorcapacitoranddiodeareaddedtothisIC，aboostDC—DCconverteriscompletedInthefirstpartofthisthesis，fundamentalsofswitchingpoweraregiven，followedbyloopcontrolscheme(PWlVlandPFM)andpowerconsumptiontheoryThen，smal

6、lsignalmodelforboostconverterUSIMmodelandtheconceptofleading—edgemodulationandtrailing—edgemodulationareintroducedDepending013thetheoriesandmodels百ve工labove，asystemmodelforboostconverterisconstructed，whichcarlhelptospeci

7、fythekeyparametersforconvertertoguideICdesignAsthesanqetime，amethodtomodelswitchingpoweriscarriedoutDuringcircuitdesigning，awholestructureisformedaccordingtomodulesfunctionEverymoduleisintroducedindetailabouthowitworksan

8、dhowitisdesignedFinallyallthesubcircuitsarecomaeetedwithpertphcrycomponentsThesimulationresultsshowthattheDC—DCconverterhasgooddynamicresponseandhi曲efficiencywhichsatisfythedesignrequirementsKeywords：SwitchingPowerBoostD