MAP3202

MAP3202 MGCHIP | Alldatasheet

Document overview

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Technical content

Features

s /bdash2s Widesinputsvoltagesrangesupstos18Vs /bdash2s PWMsDimmings /bdash2s CurrentsModesControlsTypes /bdash2s Synchronizationstospeerstospeers /bdash2s InternalsAutosRestartsModesProtections /bdash2s ProgrammablesOutputsOversVoltagesProtections s /bdash2s LEDsShortsCurrentsProtections /bdash2s BoostsswitchscurrentslimitsProtections /bdash2s Packages:sSOICE14sPins s

Applications

s /bdash2s HighsBrightnessswhitesLEDsbacklightingsforsLCDs s TVssandsmonitorss /bdash2s GeneralsLEDslightingsapplicationss Datasheet - MAP 3202 High Efficien cy Switch Mode LED Driver s

s Confidential Datasheet Version 1.1 Marchs2012sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss Pages2 MAP3202 – High Efficiency Switch Mode LED Driver s Pin Configuration s s s s s s Functional Block Diagram s BG Vcc good S Q R Q S Q R Q Gm AMP PWMI GND R CK PROT BG 8V / 7V Vcc good 2VCC 8REF 5V 5CS BLANKING S Q R Q S R Q SYNC RT

14 FBN

13 FBP

12 COMP

3V / 2.7V

3 GATE

9 PWMO

R Vcc good PROT FBP X 2.5 11EN off on Enable REF CK

s Confidential Datasheet Version 1.1 Marchs2012sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss Pages3 MAP3202 – High Efficiency Switch Mode LED Driver s Pin Description s s s s s s s s s s s s s s s s s s s s s s s ss s s s Absolute Maximum Ratings (1) s PARAMETER VALUE UNIT VCCs E0.3s~s20s Vs GATE,sPWMOs E0.3s~s20s Vs EN,sCS,sRT,sSYNC,sREF,sOVP,sPWMI,sCOMP,sFBP,sFBNs E0.3s~s6.0s Vs OperatingsJunctionsTemperaturesRanges E40s~s150s ℃s StoragesTemperaturesRanges E65s~s150s ℃s Leadstemperature(soldering,s10secs)s 260s ℃s ThermalsResistances(θJA)s 110s ℃/Ws s Note1 :sStressessbeyondsthoseslistedsunders“AbsolutesMaximumsRatings”smayscausespermanentsdamagestosthesdevice.ss Thesesaresstresssratingssonly,sandsfunctionalsoperationsofsthesdevicesatsthesesorsanysothersconditionssbeyondss thosesindicatedsinsthesoperationalssectionssofsthesspecificationssissnotsimplied.sExposurestosabsolutesmaximums ratingsconditionssforsextendedsperiodssmaysaffectsdevicesreliability.s s s s s s s s s s s s s s s s s s s s s s PIN NO Description 1s ENs Enables 2s VCCs PowersSupplysInputs 3s GATEs GatesDrivesOutputsforsBoostsConverters 4s GNDs GNDs 5s CSs CurrentsSensesofsBoostsConverters 6s RTs OscillatorssFrequencysSets 7s SYNCs OscillatorssSynchronizingsInputs 8s REFs ReferencesVoltages 9s PWMOs PWMsGatesDriversOutputs 10 s OVPs OversVoltagesProtections 11 s PWMIs PWMsGatesDriversInputs 12 s COMPs ErrorsAMP.sCompensations 13 s FBPs ErrorsAMP.sNonEinvertingsInput/PositivesCurrent sSenses 14 s FBNs ErrorsAMP.sInvertingsInput/NegativesCurrentsSen ses

s Confidential Datasheet Version 1.1 Marchs2012sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss Pages4 MAP3202 – High Efficiency Switch Mode LED Driver

Electrical Characteristics

VCC =12V,sVPWMI =5V,sTa=25 ℃,sunlesssotherwisesspecifieds SYMBOL PARAMETER TEST CONDITION MIN TYP MAX UNIT SUPPLY VCC,OP s Inputsvoltagesranges Ta=E40 ℃s~s85 ℃s 8.5s Es 18s Vs IQs Operationsquiescentscurrents V PWMI s=0Vs Es 1.2s 2s mAs VUVLO s UnderEvoltageslockoutsthresholds Es 7.5s 8s 8.5s Vs UnderEvoltageslockoutshysteresiss Es Es 1s Es Vs REFERENCE VREF s Referencespinsvoltages Ta=E40 ℃s~s85 ℃s 4.90s 5.00s 5.10s Vs Ta=25 ℃s 4.95s 5.00s 5.05s Vs VREFLI s Linesregulations IREF =0uA,sVPWMI =0V,ss CREF =0.1uFs Es Es 0.02s %/Vs VREFLO s Loadsregulations IREF =0~500uA,sVPWMI =0V,ss CREF=0.1uFs Es Es 1s %/mA s GATE ISOURCE s Gatesshortscircuitscurrents V GATE =0,sV CC =12Vs 0.4s Es Es As ISINK s Gatessinkscurrents V GATE =12V,sV CC =12Vs 0.8s Es Es As TRISE s GATEsoutputsrisestimes C GATE =1nF,sV CC =12Vs Es 50s 85s nss TFALL s GATEsoutputsfallstimes C GATE =1nF,sV CC =12Vs Es 25s 45s nss Enable VEN s Enablesinputsvoltages VEN_L s:sLogicsLows Es Es 0.4s Vs VEN_H s:sLogicsHighs 2.0s Es 5.5s Vs Current Sense TBLANK s LeadingsEdgesBlankings Es 100s Es 375s nss TDELAY s DelaystosoutputsofsCSscomparators(3) s VCOMP =5V,ss VCS =0Vstos600mVssteps Es Es 180s nss VCS,MAX s MaximumsCSsVoltages FBPs–sFBNs>s=s0.2Vs 0.325s 0.36s 0 .395s Vs Internal Transconductance Opamp AVs OpensloopsDCsGains Outputsopens Es 50s Es dBs VCM s InputscommonEmodesranges(3)s Es E0.3s Es 2.2s Vs VOs OutputsVoltagesLowsLimits VCC=12V,sV FBN s–sVFBP s>s0.2s Es 0.6s Es Vs OutputsVoltagesHighsLimits VCC=12V,sV FBP s–sVFBN s>s0.2s Es 2.6s Es Vs Gms Transconductances(3)s Es 400s 670s 1000s uA/Vs

s Confidential Datasheet Version 1.1 Marchs2012sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss Pages5 MAP3202 – High Efficiency Switch Mode LED Driver Electrical Characteristics (continued) VCC =12V,sVPWMI =5V,sTa=25 ℃,sunlesssotherwisesspecified SYMBOL PARAMETER TEST CONDITION MIN TYP MAX UNIT Internal Transconductance Opamp IBIAS s InputsBiasscurrents Es Es 0.5s 1s nAs VOFFSET s InputsOffsetsvoltages Es E5s Es 5s mVs I_AMP_SOURCEs AMPsSourcesCurrents V FBN=1V,sVFBP=2V,sVCOMP =1.5Vs s Es E100s Es uAs I_AMP_SINKs AMPsSinksCurrents V FBN=2V,sVFBP=1V,sVCOMP =1.5V s Es 100s Es uAs Oscillator FOSC s Oscillatorsfrequencys (s100KHzs~s400KHzs)s Ta=E40 ℃s~s85 ℃,sRT=500 ㏀s 90s 100s 110s kHzs Ta=25 ℃,sRT=500 ㏀s 95s 100s 105s kHzs Ta=E40 ℃s~s85 ℃,sRT=123 ㏀s 340s 400s 460s kHzs DMAX s Maximumsdutyscycles Es Es 90s Es %s Synchronizing ( External Input ) VIL_SYNC s SYNCsInputsvoltagesLowslevels Es Es Es 0.8s Vs VIH_SYNC s SYNCsInputsvoltageshighslevels Es 2s Es 5.5s Vs TSYNC_MIN s SYNCsminimumsinputspulseswidth(3)s V SYNC s=s0Vstos5Vs 20s Es Es nss TSYNC_MAX s SYNCsmaximumsinputspulseswidths V SYNC s=s0Vstos5Vs Es Es 0.05s /foscs nss PWM Input VPWMI(LO) s PWMIsinputslowsvoltages Ta=E40 ℃s~s85 ℃s Es Es 0.8s Vs VPWMI(HI) s PWMIsinputshighsvoltages Ta=E40 ℃s~s85 ℃s 2.0s Es 5.5s Vs RPWMI s PWMIspullEdownsresistances V PWMI =5Vs 50s 100s 150s ㏀s PWM Output TRISE,PWMO s PWMsOutputsrisestimes 1nFscapacitancesatsPWMOs Es Es 300 s nss TFALL,PWMO s PWMsOutputsfallstimes 1nFscapacitancesatsPWMOs Es Es 20 0s nss Auto Restart Protection ( AUTO ) TARs AutosRestartsTimes F oscs=s100KHzs Es 1s Es mss Over Voltage Protection ( OVP ) VOVP s Oversvoltagesprotections Es 2.94s 3.0s 3.06s Vs VOVPH s Oversvoltagesprotectionshysteresiss Es 0.3s Es Vs TOVP s OVPsFilteringstime(3)s Es 200s Es nss

s Confidential Datasheet Version 1.1 Marchs2012sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss Pages6 MAP3202 – High Efficiency Switch Mode LED Driver Electrical Characteristics (continued) VCC =12V,sVPWMI =5V,sTa=25 ℃,sunlesssotherwisesspecified SYMBOL PARAMETER TEST CONDITION MIN TYP MAX UNIT Short Current Protection ( SCP )s VTH,SCP s SCPsComparatorsthresholdsvoltages V FBP s=s1Vs(sVTH,SCP s=VFBP s*s2.5) s 2.25s 2.5s 2.75s Vs TOFF s Propagationstimesforsshortscurrents detections VFBP =1V,ss VFBN=2.0stos3.0Vssteps VPWMO sgoessfromshighstoslows Es Es 250s nss Note2:sStresssbeyondsthesmaximumsratingsslistedsabovesmaysincurspermanentsdamagestosthesdevice.sOperatingsabovesthesrecommendedss conditionssforsextendedstimesmaysstresssthesdevicesandsaffectsdevicesreliability.sAlsosthesdevicesmaysnotsoperatesnormallysaboves thesrecommendedsoperatingsconditions.sThesesaresstresssratingssonly.s s Note3:sThesesparameters,salthoughsguaranteedsbysdesign,saresnotstestedsinsmasssproduction. s

s Confidential Datasheet Version 1.1 Marchs2012sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss Pages7 MAP3202 – High Efficiency Switch Mode LED Driver s Typical Operating Characteristics Unlesssotherwisesnoted,sVCC s=s12V,sV PWMI =s5V,sandsTas=s25 °C.s s s ss s s s sssssss ss s s s s sss s s s s s VREF Line Regulation Voltage Quiescent Current vs. Temp s Quiescent Current vs. Vcc VREF vs. Temp Under Voltage Lock Out (UVLO) VREF Load Regulation Voltage s

s Confidential Datasheet Version 1.1 Marchs2012sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss Pages8 MAP3202 – High Efficiency Switch Mode LED Driver s s ss s ss s s Over Voltage Protection.(OVP) Frequency vs. RT Frequency vs. Temp s

s Confidential Datasheet Version 1.1 Marchs2012sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss Pages9 MAP3202 – High Efficiency Switch Mode LED Driver s

Application Information

s CurrentsModesBoostsswitchings regulatorsoperations s Thes MAP3202s iss operateds ins currents modes PWMs Boosts regulationsmethod,swhichsshowssfastsfrequencysresponseswhiles maintainingsstablesoutputsvoltage.ss s Its featuress stables responses bys usings thes recommendeds combinationsofsresistorsandscapacitorsatsCOMPsandsGNDspins forsspecificsconditionsofswidesinputsvoltage,sOutputsvoltagesands variablesLoadscondition.s s s s Internals5VsLowsDropoutsRegulators s ThesMAP3202shassLDOsembeddedsinsitstossupplysInternals analog,slogicscircuitsandsexternalsREFsPin.sThissLDOsoperatess atsasvoltageslevelswheresVccsisshighersthansthesUVLOsvoltage.sIts providessmaximums10mAsofsoutputscurrentsthroughsregulators whichshass2%saccuracysofsperformance.ss TosstabilizesthesvoltagesofsREFsPin,sitsissrecommendedstosuses lowsESRscapacitorswhichsissasslowsass1uFsandsconnectsits betweensREFsandsGNDsPin,sandsinstallsitsassclosesasstosPin.ss s s s BoostsConvertersSwitchingsFrequencys s Thes MAP3202s cans sets thes switchings frequencys ofs Boosts converters bys connectings externals resistors betweens RTs ands GNDsPin.sRecommendedsswitchingsfrequencysiss100sKHzstos 400sKHz.ss SeesFigures1sforsswitchingsfrequencysadjustmentsresistors(RT)s s s Figures1sBoostsswitchingsfrequencysvs.sRTs s s s s s s s s s s ThesBoostsswitchingsfrequencyscansbesdecidedsinsthesfollowings equation.s 75. 1)()( += KohmRTusTosc s s s SYNCHRONIZATIONs s ThesMAP3202’ssswitchingsfrequencyscansbessetsbysinternals clocksorsbysexternalsmastersclockssignalsthroughsSYNCsPin.s ThesclockssignalsofsSYNCsPinsneedsstosbesfastersthansinternals Oscillatorsclockstosensuresnormalsswitchingsoperation.s s WhenssynchronizingsmultiplesMAP3202sonssinglesboard,salls SYNCsPinsICssofseachsdevicesshouldsbesshortstosmakesalls devicessinssyncsonsthesOscillatorsclocksofsthesfastestsdevice.ss ItsissrecommendedstosuseslowsESRscapacitorswhichsissasslowsass 10pFsandsconnectsitsbetweensSYNCsandsGNDsPinseachsdevice,s andsinstallsitsassclosesasstosPin.s Ins thiss case,s thes numbers ofs synchronizeds devicess differss dependingsonsthesoperationsfrequencysofsOscillator.ss s Ifsthissfunctionsofspeerstospeerssynchronizationsissnotsused,sthes SYNCspinsmaysbesrequiredstosbesopensorsshortstosGND.sItsiss recommendedstosconnectsSYNCsPinstosGNDsbecausesthiss solutionsprovidessbettersimmunitysagainstsparasiticsnoisesfroms layout.s s ss 87 76 OSCILLATOR REF CK RT SYNC s s Figures2sInternalsOSCs&sSYNCscircuits s s s s s s s s s s s s s s s ssssssss s Figures3sSynchronizationsbysexternalsclocks (Fixeds100sKHzs /barb2rights300sKHz)s s s SYNC(4v/div) BoostsDrain(100V/div) Iboost (0.5A/div) VO(sACs1V/div) 300KHz/5%\ SYNC(4v/div) BoostsDrain(100V/div) Iboost (0.5A/div) VO(sACs1V/div) 300KHz/5%\

s Confidential Datasheet Version 1.1 Marchs2012sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss Pages10 MAP3202 – High Efficiency Switch Mode LED Driver s s s s s s s s s s s s s s s Figures4sPeersEstosEpeerssynchronizations (Fixeds100sKHz)s PROTECTIONs s Thes MAP3202s offerss thes featuress suchs ass UVLO,s Boosts currents limit,s Overs Voltages Protections ands Shorts Currents ProtectionsofsLEDs(SCP).sOVPsandsSCPsaresoperatedsinsautos restartsprotectionsmode.ss 1.sUndersVoltagesLocksOuts(UVLO)s WhensVCCsvoltagesreachessovers8V,sUVLOsstartssoperatings whichsenablessInternals5VsRegulator,smakingsallsinternalscontrols circuitssincludingsoscillator,sgatesdriversandsprotectionscircuits readys fors operations ands outputs pins ofs GATE,s PWMOs ands COMPsstartssoperatingsdependingsonsthesinputsstatussofsPWMI.s s IfsVCCsvoltagesdropssbelows7Vsduringsnormalsoperation,sUVLOs startss operating,s shuttings downs Internals Controls Circuits ands stoppingsoperationsofsGATE,sPWMOsandsCOMP.sItsissfolloweds bysdisablingsofsinternals5Vsregulator,sandsshutsoffsofsallsICs operation.s s 2.sMaximumsBoostsCurrentsLimits MAP3202shassthesinternalscurrentslimitsthresholdsvoltage,s0.36Vs (Typ.).s Ifs thes senses voltages ons CSs pins exceedss 0.36V,s MAP3202slimitssboostsonsdutyseveryspulse.s s MAP3202’ssCSscircuitryshassthesLeadingsedgesblankstimesats 100nSs(min.).s s s 3.sOversVoltagesProtections(OVP)s ThesMAP3202sofferssoversvoltagesprotectionsinsorderstosprotects MOSFETs ofs boosts converters ands externals components connectedstosOutputspinswhensoutputsvoltagesissinsabnormals condition.s s OVPsCircuitsmonitorsswhethersoutputsvoltagesissstableslevelsors nots IfsOVPsPinsvoltagesreachessthresholdsconditions(3VsTyp.),sitscans shutsoffsthesswitchingsofsGATEsandsPWMOsandsthensoutputs voltagesissfallingsassmuchsassthesleakagescurrentstime.sIfsthes voltagesofsOVPsPinsreachessOVPsfallingsthresholds(2.7VsTyp.),s ICsreleasessprotectionsmode.sInsthisstime,sprotectionsreleasings cansbesdecidedsassvaluesofscapacitorswithstheslongersdischarges betweens autos restarts times ands thes times ofs leakages currents connectedstosoutput.ssssssss s s s s Thesoversvoltagesprotectionscansbesdecidedsinsthesfollowings equation.s s EsProtectionsvoltage:ss s s s 21*3 Ro RoRoVout += s s EsProtectionsreleasesvoltage:sss s s 21*7 . 2Ro RoRoVout += ss 3V / 2.7V Vout Ca LPF OVP Auto Restart Protection s Figures5sOversvoltagesprotectionscircuits s ThesMAP3202sincludedsLPFs(lowspasssfilter)sofs200nSs(Typ.)sins OVPscircuitsforsbettersnoisesimmunity,sItsmaysneedsashighsnoises marginswhensRo1sandsRo2suseshighsresistancesvaluesinsorders tosminimizesPowersloss.ss ThestotalsvaluessofsRo1sandsRo2sneedstosbeslowersthans1Mohm.s Insthisscase,sitsissrecommendedstosaddsCapacitor.s s s 4.sShortsCurrentsProtectionsofsLEDs(SCP)s ThesMAP3202sofferssprotectionscircuitstospreventsshortscurrents whensLEDsstringsissshorteds s InsFigures6swhensLEDsstringsissshorted,sthesvoltagesofsFBNsPins cansbescalculatedsinsthesfollowingsequations s LEDLEDFBN RIV ∗= s s IfsthesvoltagesofsFBNspinsexceedssthesvoltagesofsFBPsXs2.5,s MAP3202sgoessintosSCPsmode.s ItsissrecommendedswhichsFBPsmaxsvoltages1.5V.s s s Figures6sShortscurrentsprotectionss s s s GATE1 GATE2 GATE3 CH2sBoostsDrain CH1sBoostsDrain GATE1 GATE2 GATE3 CH2sBoostsDrain CH1sBoostsDrain

s Confidential Datasheet Version 1.1 Marchs2012sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss Pages11 MAP3202 – High Efficiency Switch Mode LED Driver s SCPs Circuits usess verys fasts comparators ins orders tos turns offs MOSFETs whens thes abnormals conditions ofs SCPs Levels iss detected.sBecauseshighscurrentscansbesdrivensintoschannelsofs MOSFETswhensLEDsstringsissshorted.s s s 5.sAutoERestartsProtections ThesMAP3202sofferssAutosRestartsprotectionsfunctionswhichsiss recovereds intos normals operations modes whens protections conditionsisscleared.sThesautosrestartstimes(T AR )sissfixedsats1mS,s Foscs=s100KHz.sitsissrecoveredstosnormalsoperatingsmodesifs SCPsorsOVPsconditionsisscleared.ss s DimmingsControls s 1.sLEDsCurrents ThesMAP3202sdecidessLEDsCurrentssettingsbysthesvaluesofs RLEDsresistancesandsvoltagesonsFBPspinsassbelows s RLED FBPVCurrentLED __ = s s Figures7sLEDsCurrentsSettings s s 2.sPWMsDimmings ThesMAP3202smakesssamesphasesPWMOsoutputsfromslogics PWMssignalsofsPWMIsusingsinternalsLevelsshift.sPWMOsofs operatingsvoltageslevelsissbetweensGNDsandsVCC.s s s InductorsSelections Inductorsvaluesshouldsbesdecidedsbeforessystemsdesign.s Becausesthesselectionsofsthesinductorsaffectssthesoperatings modes ofs CCMs (Continuouss currents mode)s ors DCMs (Discontinuousscurrentsmode),sInsCCMsoperation,sinductorssizes shouldsbesbigger,sevensthoughsthesripplescurrentsandspeaks currentsofsinductorscansbessmall.s InsDCMsoperation,sevensripplescurrentsandspeakscurrentsofs inductorsshouldsbeslargeswhilesthesinductorssizescansbessmallers sos thats its iss mores effectives ins BLUs ofs TVs ands Notebooks application.s s s s s ThesMAP3202swassdesignedsforsDCMsoperation.ss s InsCCMsoperation,ssubEharmonicsoscillationsmaysoccursifsdutys cycles exceedss overs 50%.s Becauses theres iss nos slopes compensationsfunctions.s s ThesfollowingsissthesequationstoscalculatesmaxsvaluesofsInductors insDCMsoperation.s s ]***)1[( (min)(max) (max) sO TRDDL −= s s Where,ss s R 0(max) s=sMaximumsoutputsimpedances s T S(min) s=sMinimumsSwitchingsPeriods ClosedsLoopsNetworksSelections ThesMAP3202scontrolssinspeakscurrentsmode.sCurrentsmodes easilysachievesscompensationsbysconsistingssimplessinglesPoles fromsDoublesPolesthatsLCsfilersmakessatsVoltagesmodes s s s ssFigures8sCurrentsmodesLoopsCompensations 1.sSelectsf Cs(Crossoversfrequency)s Insgeneral,scrossoversfrequencysissselectedsfroms1/3s~s1/6s ranges ofs thes switchings frequency.s Ifs fcs iss large,s theres iss possibilitysofsoscillationstosoccur,salthoughstimesresponsesgetss better.s Onsthesothershand,sifsfcsisssmall,stimesresponseswillsbesbad,s whilesitshassimprovedsstability,swhichsmayscausesoversshootsors undersshootsinsabnormalscondition.s Itsshouldsbesnotedsthatsfcsshouldsbessetsatssmallerslocationsthans RHPsZero.s L DRofRHP )1 ( *2 π −= s s 2.sSelectsfPOs s OCPO Gff *= s ( DCGO = Gainsofsplants=s B A s s Vc ~ i L ~ Vc Vref Co Ro Vout Rc Cc (Optional)

s Confidential Datasheet Version 1.1 Marchs2012sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss Pages12 MAP3202 – High Efficiency Switch Mode LED Driver s s FL Dm R A )1 ( * ) 5 . 0(2 3−−+ = s s Selectingsapproximatelysms=s1.4ss s )1 ( *DRB S −= s =SR SensingsResistors ssss s 3.sSelectsPolesandsZeros EA C PO GY Cf 2 π = s =EAG sGmEAmpsTransconductances O FPN V VRationAttenuatioY =−= s CC Z CRf 2 π= s s Zerosisssetsatsthessameslocationsofsoutputspolesinssystemsdesign,s ifsESRsofsoutputscapacitorsisslarge,sPolesshouldsbessetsatssames frequencysinsorderstoscompensatesthesZerosofsESR.s s OPC OPP CRf **2 )( 1 π= s

s Confidential Datasheet Version 1.1 Marchs2012sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss Pages13 MAP3202 – High Efficiency Switch Mode LED Driver Evaluation Board Schematic Condition : Vin=120V, Vout = 63LEDs, LED current = 125mA, OVP set = 303V, Release = 272V, SW Frequency=100KHz s C10 C4 C9 VIN REF EN Signal VCC GND Q1-D LED+ GATE OVP PWMO GATE2 GND FBN GND GATE1 CS1 CS2 FBN1 LED- FBP LED+ LED- GND GND C11 Evaluation Board Part List s Specs Vendors P/Ns InputsCapacitors 10uF/400Vs Samwha 1s RD10uF/400Vs OutputsCapacitors 10uF/400Vs Samwha 1s RD10uF/400Vs Inductors 330uHs ABCO 2s LPF1280E331s BoostsMOSFETs 3A/400V,sNECh,sSOT223 s MagnaChips MDHT3N40s DimmingsMOSFETs 3A/400V,sNECh,sSOT223 s MagnaChips MDHT3N40s UltrafastsDiodes 1A/1000Vs VISHAYs UF4007s ICs PWMsControllers MagnaChips MAP3202s 1.s SAMWHAs:ss 1)s ELECTROLYTICsCAPACITOR,sSAMWHAsELECTRICstels:s+82E43E261E0200,sshttp://www.samwha.co.kr/electric s 2)s MLCCsCAPACITOR,sSAMWHAsCAPACITORstels:s+82E31E330E5872,sshttp://www.samwha.co.kr/capacitor s s 2.s ABCOstels:s+82E31E730E5000,s http://www.abco.co.kr s s

s Confidential Datasheet Version 1.0 Marchs2012ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss Pages14 MAP3202 – High Efficiency Switch Mode LED Driver Physical Dimensions s s s s s s 14Lead SOIC s s s s s s s MagnaChip Semiconductor Ltd. sdoesn’tsnotsrecommendsthesusesofsitssproductssinshostilesenvironments,sincluding,swithoutslimitation,s aircraft,snuclearspowersgeneration,smedicalsappliances,sandsdevicessorssystemssinswhichsmalfunctionsofsanysproductscansreasonablys besexpectedstosresultsinsaspersonalsinjury.sSeller’sscustomerssusingsorssellingsSeller’ssproductssforsusesinssuchsapplicationssdossosats theirsownsrisksandsagreestosfullysdefendsandsindemnifysSeller.s MagnaChip sreservessthesrightstoschangesthesspecificationssandscircuitryswithoutsnoticesatsanystime.s MagnaChip sdoessnotsconsiders responsibilitysforsusesofsanyscircuitrysothersthanscircuitrysentirelysincludedsinsas MagnaChip sproduct. s s issasregisteredstrademarksofsMagnaChipsSemiconductorsLtd.ss MagnaChip Semiconductor Ltd. 891,sDaechiEDong,sKangnamEGu,sSeoul,s135E738sKoreas Tels:s82E2E6903E3451s/sFaxs:s82E2E6903E3668s~9s www.magnachip.com

s Confidential Datasheet Version 1.0 Marchs2012ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss Pages15 MAP3202 – High Efficiency Switch Mode LED Driver s

Revision History

s Date Version Changes 2010E03E18s Versions1.0s Initialsrelease.s 2012E03E15s Versions1.1s ChangedsAbsolutesMaximumsRat ingss5.0Vstos6.0Vss s s s s s s s s s s s s s s s s s s s s s s