Natural Interleaving Transition-Mode PFC Controller …

1 UCC280601 NATURALINTERLEAVINGFEATURESSYSTEMFEATURE SAPPLICATIONS+ COMPVREFPGNDAGNDVCCZCDAZCDBGDACSGDBVINAC VSENSEPWMCNTLUCC28061 TSETPHBHVSENEMIF ilter400 VDCP ower Good todownstream converter85-265 VACI nput Voltage (V)5432170120170220270 Capacitor Ripple Current (A)P= 600 WV= 400 VOUTOUT1-Phase TM2-Phase TM Interleave1-Phase JUNE2008 REVISEDJULY2009 NaturalInterleaving Transition-ModePFCC ontrollerWithImprovedAudibleNoiseImmunit y ImprovedAudibleNoisePerformance23 PhaseManagementCapability SoftStartonOvervoltage FailSafeOVPwithDualPathsPreventsOutput IntegratedBrownoutOver-VoltageConditions CausedbyVoltage-SensingFailures ImprovedEfficiencyandDesignFlexibilityov erTraditional,Single-PhaseContinuous SensorlessCurrentShapingSimplifiesBoardC onductionMode(CCM)LayoutandImprovesEffic iency InputFilterandOutputCapacitorCurrent InrushSafeCurrentLimiting:Cancellation.

2 PreventsMOSFET conductionduring Reducedcurrentrippleforhighersysteminrus hreliabilityandsmallerbulkcapacitor Eliminatesreverserecoveryeventsin ReducedEMIfiltersizeoutputrectifiers EnablesUseofLow-CostDiodeswithoutExtensi veSnubberCircuitry ImprovedLight-LoadEfficiency ImprovedTransientResponse CompleteSystem-LevelProtection 1- 100-Wto800-WPowerSupplies Gaming DtoASetTopBoxes Adapters LCD,PlasmaandDLP TVs HomeAudioSystemsTypicalApplicationCircui tRippleCurrentReduction1 Pleasebeawarethatanimportantnoticeconcer ningavailability,standardwarranty, 2008 2009, JUNE2008 OrderingInformation2 ElectricalCharacteristics4 DeviceInformation7 FunctionalBlockDiagram9 TypicalCharacteristics10 ApplicationInformation16 DesignExample22 AdditionalReferences29 Optimizedforconsumerapplicationsconcerne dwithaudiblenoiseelimination,thissolutio nextendstheadvantagesoftransitionmode highefficiencywithlow-costcomponents ,bothchannelsoperateasmasters(thatis,the reisnoslavechannel) ,fasterresponses, ,outputover-voltage,open-loop,overload,s oft-start,phase-faildetection, (OVP)featureprotectsagainstshortstoanint ermediatevoltagethat,ifundetected, (1)PARTNUMBERPACKAGE(2)OPERATINGTEMPERAT URERANGE,TAUCC28061 DSOIC16-Pin(D) 40 Cto+125 C(1)Forthemostcurrentpackageandorderingi nformationseethePackageOptionAddendumatt heendofthisdocument, (2)

3 SOIC(D) 2008 2009,TexasInstrumentsIncorporatedProduct FolderLink(s): ucc28061 ABSOLUTEMAXIMUMRATINGS(1)DISSIPATIONRATI NGSRECOMMENDEDOPERATINGCONDITIONSELECTRO STATICDISCHARGE(ESD) JUNE2008 REVISEDJULY2009 AllvoltagesarewithrespecttoGND, 40 C<TJ=TA<+125 C,andcurrentsarepositiveintoandnegativeo utofthespecifiedterminal, (2) +21 PWMCNTL +20 InputvoltagerangeVCOMP(3),CS,PHB,HVSEN(4 ),VINAC(4),VSENSE(4) +7 ZCDA,ZCDB +4 ContinuousinputcurrentVCC20 InputcurrentPWMCNTL10 InputcurrentrangeZCDA,ZCDB,VSENSE 5to+5mAOutputcurrentVREF 10 ContinuousgatecurrentGDA,GDB(5) 25 Operating 40to+125 Junctiontemperature,TJStorage 65to+150 CLeadtemperature,TSOLS oldering,10s+260(1) (2) (3)Innormaluse,COMP isconnectedtocapacitorsandresistorsandis internallylimitedinvoltageswing.(4)Innor maluse,VINAC,VSENSE, ,VINAC,VSENSE,andHVSEN cansurviveinputcurrentsashighas 10mAfromhighvoltagesources.

4 (5) , +25 CPOWERRATINGTA=+85 CPOWERRATINGSOIC16-Pin(D)140 C/W(1)890mW(1)460mW(1)(1) ; , 40 C<TJ=TA<+125 C,andcurrentsarepositiveintoandnegativeo utofthespecifiedterminal, 2 VINACI nputvoltage06 VZCDA,ZCDB seriesresistor2080k RATINGUNITH umanbodymodel(HBM)2000 VChargeddevicemodel(CDM)500 VCopyright 2008 2009,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback3 ProductFolderLink(s): ucc28061 ELECTRICALCHARACTERISTICSUCC28061 SLUS837A JUNE2008 ,AGND=PGND=0V,VINAC=3V,VSENSE=6V,HVSEN=3 V,PHB=5V,RTSET=133k ;allvoltagesarewithrespecttoGND,alloutpu tsunloaded, 40 C<TJ=TA<+125 C,andcurrentsarepositiveintoandnegativeo utofthespecifiedterminal, (shunt)VCCshuntvoltage(1)IVCC=10mA222426 VIVCC(stby)VCCcurrent,disabledVSENSE=0V1 00200 AIVCC(on)VCCcurrent,enabledVSENSE=6V58mA UNDERVOLTAGELOCKOUT(UVLO)VCC(on) (off)

5 ,noloadIVREF= IVREF 2mA16mVVREF changewithVCC12V VCC 20V110 ERRORAMPLIFIERVSENSE inputregulationvoltageTA=+25 ,clampedVSENSE= ,saturatedVSENSE= ,gmVSENSEtoCOMP transconductance7596110 <VSENSE< ,overdrivenVSENSE=5V,COMP=3V 120 160 190 ACOMP sinkcurrentVSENSE= ,COMP=3V72032 VSENSE thresholdforCOMP offsetenable,downVoltagebelowVREF1351852 35mVfromVREFVOVPVSENSE over-voltagethreshold, , ,highHVSEN=3V AHVSEN inputbiascurrent,lowHVSEN= ,PhaseFailfiltertimetoPWMCNTL high81220msZCDA switching,ZCDB= ,PWMCNTL=15V 11 APWMCNTL outputvoltagelowHVSENS=3V,IPWMCNTL= (1) , 2008 2009,TexasInstrumentsIncorporatedProduct FolderLink(s) JUNE2008 REVISEDJULY2009 ELECTRICALCHARACTERISTICS(continued)AtVC C=16V,AGND=PGND=0V,VINAC=3V,VSENSE=6V,HV SEN=3V,PHB=5V,RTSET=133k ;allvoltagesarewithrespecttoGND,alloutpu tsunloaded, 40 C<TJ=TA<+125 C,andcurrentsarepositiveintoandnegativeo utofthespecifiedterminal, (2)GDA,GDBoutputvoltagehighIGDA,IGDB= ,GDBoutputvoltagehigh,clampedVCC=20V,IGD A,IGDB= ,GDBoutputvoltagehigh,lowVCCVCC=12V,IGDA ,IGDB= ,GDBon-resistancehighIGDA,IGDB= 100mA814 GDA,GDBoutputvoltagelowIGDA,IGDB= ,GDBon-resistancelowIGDA,IGDB=100mA23 Risetime1 Vto9V,CLOAD=1nF1830nsFalltime9 Vto1V,CLOAD=1nF1225 GDA,GDBoutputvoltageUVIGDA,IGDB= ,ZCDB voltagethreshold, ,ZCDB voltagethreshold, ,ZCDB clamp,highIZCDA=+2mA,IZCDB=+ ,ZCDB inputbiascurrentZCDA= ,ZCDB= AZCDA,ZCDB clamp,lowIZCDA= 2mA,IZCDB= 2mA ,ZCDB delaytoGDA,GDBoutputs(2)

6 45100nsfromzerocrossinginputfallingto1 VCURRENTSENSECS inputbiascurrentAtrisingthreshold 150 250 ACScurrentlimitrisingthreshold (2)60100nsGDxdropping10%MAINSINPUTVINAC inputbiascurrentVINAC=2V AVINAC failstoexceedthebrownoutVINAC brownoutfiltertime340440540msthresholdfo rthebrownoutfiltertime(2)RefertoFigure12 ,Figure13,Figure14, 2008 2009,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback5 ProductFolderLink(s): ucc28061 ucc28061 SLUS837A JUNE2008 (continued)AtVCC=16V,AGND=PGND=0V,VINAC= 3V,VSENSE=6V,HVSEN=3V,PHB=5V,RTSET=133k ;allvoltagesarewithrespecttoGND,alloutpu tsunloaded, 40 C<TJ=TA<+125 C,andcurrentsarepositiveintoandnegativeo utofthespecifiedterminal, ,phasesAandBVINAC= ,VSENSE= (3) s/VVINAC= ,VSENSE= ,KTLSOn-timefactor,single-phase, (3)PhaseBtophaseAon-timematchingVSENSE= ,VINAC= 6%6%COMP= ,VINAC= stimeCOMP= ,VINAC= ,tosingle-phaseoperationToGDBoutputshutd ownVINAC= ,totwo-phaseoperationToGDBoutputrunningV INAC= (min)MinimumswitchingperiodRTSET=133k (3) sPWMrestarttimeZCDA=ZCDB=2V(4)165200265 THERMALSHUTDOWNT hermalshutdowntemperatureTJ,temperaturer ising(5)+160 CThermalrestarttemperatureTJ,temperature falling(5)+140(3)Gatedriveon-timeispropo rtionaltoVCOMP ,KT, ,KT, (4) ,therestarttimeappliesfortheZCDA inputandtheGDAoutput.

7 (5) 2008 2009,TexasInstrumentsIncorporatedProduct FolderLink(s) JUNE2008 REVISEDJULY2009 ucc28061 DSOIC16-Pin(D) :Connectanalogsignalbypasscapacitors,com pensationcomponents,andanalogAGND6 :Theerroramplifierisatransconductanceamp lifier, (undervoltage,brownout,disableoroutputCO MP5 Oovervoltage), , , (GDx)outputswhenCSismorenegativethantheC Srisingthreshold(approximately 200mV).TheGDoutputsremainlowuntilCSfalls totheCS10 ICSfallingthreshold(approximately 15mV). , ,thefilterseriesresistancemustbeunder100 , ( )forthisconnection, to10- , , :ConnectthispintoAGND throughaseparateshorttracetoPGND13 : , , 2008 2009,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback7 ProductFolderLink(s): ucc28061 ucc28061 SLUS837A JUNE2008 (continued) :Thisopen-drainoutputgoeslowwhenHVSEN iswithintheHVSEN goodPWMCNTL9 OregionandtheZCDAandZCDB inputsareswitchingcorrectlyifoperatingin two-phasemode(seePHBPin).

8 Otherwise, :Fornormaloperation, , ,open-loopprotectionprovidesaninternalcu rrentsourcetopullVSENSElow, ,theZCDinputmustdropbelowthefallingZCDB1 Ithreshold,approximately1V, ,theZCDinputmustriseabovetherisingthresh old, , 2008 2009,TexasInstrumentsIncorporatedProduct FolderLink(s):UCC280617 VINAC+ Delay7mACrossoverNotchReductionPhase AOn Time + +161 Phase BOn Time Control2 VSENSE+VREFgm6V15EN+ + + + ++HVSEN OV10 CSOvercurrent+OVOCTSDSTOPAHVSENOVB urst + +160 CTJTSDZCAZCBP hase JUNE2008 REVISEDJULY2009 BLOCKDIAGRAMC opyright 2008 2009,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback9 ProductFolderLink(s): ucc28061 TYPICALCHARACTERISTICSVBias Supply Voltage Supply Current mA-VCC-VCC Turn-OffVCC Supply Current J--14012010080600-40-20020406080100120 IBias Supply CurrentA- mVCC-4020 DisabledVInput Voltage CurrentA- mCOMP--80-100-120-140-160 Transconductance 96 SmSink Current25 AmInput Regulation Voltage0 A at VmCOMP Offset Enable165 mV Down fromRegulation VoltageSource Current Overdriven -160 AmUCC28061 SLUS837A JUNE2008 ,AGND=PGND=0V,VINAC=3V,VSENSE=6V,HVSEN=3 V,PHB=5V,RTSET=133k.

9 AllvoltagesarewithrespecttoGND,alloutput sunloaded,TJ=TA=+25 C,andcurrentsarepositiveintoandnegativeo utofthespecifiedterminal, 2008 2009,TexasInstrumentsIncorporatedProduct FolderLink(s): ucc28061 TTemperatureC J--110105100959080-40-20020406080100120g Transconductances- V < V< VSENSEVO utput Voltage VCOMP--111098760012345 IOutput CurrentA- mCOMP-54321V= VSENSETT emperatureC J--150145140135130125-40-200204060801001 20 ICurrent Sense Input Bias CurrentA- mCS-VInput Voltage BiasCurrent JUNE2008 REVISEDJULY2009 TYPICALCHARACTERISTICS(continued)AtVCC=1 6V,AGND=PGND=0V,VINAC=3V,VSENSE=6V,HVSEN =3V,PHB=5V,RTSET=133k ;allvoltagesarewithrespecttoGND,alloutpu tsunloaded,TJ=TA=+25 C,andcurrentsarepositiveintoandnegativeo utofthespecifiedterminal, 2008 2009,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback11 ProductFolderLink(s): ucc28061 VInput Voltage Current mA-ZCD-21 VInput Voltage Current ns-141210-2050100150200250300350 Gate Drive Output V-86420V= 20 V and 12 VC= nFCCLOADGD Source Current:V= 20 VV= 12 VCCCCGD Voltage:V= 20 VV= 12 Drive Source J--500490480470460350-40-200204060801001 20 Brownout Filter Delay Time ms-450440430360370380390400410420 ucc28061 SLUS837A JUNE2008 (continued)AtVCC=16V,AGND=PGND=0V,VINAC= 3V,VSENSE=6V,HVSEN=3V,PHB=5V,RTSET=133k.

10 AllvoltagesarewithrespecttoGND,alloutput sunloaded,TJ=TA=+25 C,andcurrentsarepositiveintoandnegativeo utofthespecifiedterminal, 2008 2009,TexasInstrumentsIncorporatedProduct FolderLink(s): ucc28061 Time ns-141210-2020406080100120140 Gate Drive Output V-86420V= 20 V and 12 VC= nFCCLOADGD Sink Current:V= 20 VV= 12 VCCCCGD Voltage:V= 20 VV= 12 Drive Source ns-765-1-2550100150200250300 ZCD Input V-432100141210-2 Gate Drive Output V-86420C= nFLOADZCD Input VoltageGD Output:T = 40 CT = +25 CT = +125 CJ- JJ Time ns-500400300-300-2550100150200250300 Current Sense InputmV-2001000-100-2000141210-2 Gate Drive Output V-86420C= nFLOADCS InputVoltageGD Output:T = 40 CT = +25 CT = +125 CJ- JJ VBias Supply Voltage VVCC--1514131211108101112131415161718192 0 Gate Drive Voltage V-9R= kWLOADT = 40 C- JT = +25 CJ T = +125 CJ JUNE2008 REVISEDJULY2009 TYPICALCHARACTERISTICS(continued)AtVCC=1 6V,AGND=PGND=0V,VINAC=3V,VSENSE=6V,HVSEN =3V,PHB=5V,RTSET=133k.