UCC256303 LLC Resonant Controller Enabling Ultra …

1 FBLOHOHSBLKVINBWVoutCrLrLmISNSVCR10 HVLOGNDLL/SSHOVCCVCRFBBLK7 UCC256303 LLCC ontrollerHBHSRVCC9 BWISNS8 BLKFBISNSVCRBWHOHSLOCSSE xternal BiasCBOOTC opyright 2017, texas instruments Incorporated465311114151612 ProductFolderOrderNowTechnicalDocumentsT ools &SoftwareSupport &CommunityAn IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand SEPTEMBER2017 UCC256303 LLC ResonantControllerEnablingUltra-LowStand byPower11 Features1 HybridHystereticControl(HHC) Best-in-ClassTransientResponse EasyCompensationDesign OptimizedLow PowerFeaturesEnable75 mWStandbyPowerDesignwith PFCon AdvancedBurstModeOpto-CouplerLow PowerOperation HelpsEnableComplianceto CoCTier IIStandard FastExit fromBurstMode ImprovedCapacitiveRegionAvoidanceScheme AdaptiveDead-Time InternalHigh-SideGateDrivers( ) RobustSoft Startwith No HardSwitching OverTemperature,OutputOverVoltage,InputO verand UnderVoltageProtectionwithThreeLevelsof OverCurrentProtections WideOperatingFrequencyRange(35 kHz to 1 MHz)

2 LLC ResonantControllerin SOIC16with HighVoltageClearance ExternalBiasRequired Createa CustomDesignUsingthe UCC256303 Withthe WEBENCH PowerDesigner2 Applications DigitalTV SMPS AC-DCAdapter Gaming DesktopPC3 DescriptionTheUCC256303is a has beendesignedto pairwitha PFCstageto provideacompletepowersystemusinga minimumof resultingpowersystemis designedto meetthe moststringentrequirementsfor standbypowerwithoutthe needfor a separatestandbypowerconverter,and withPFCstagerunningall the rangeof unburdenthe LLCdesignerand allowmainstreamapplicationsto benefitfromefficiencyadvantagesof the LLC providebestin classline and approximatelylinearlyproportionaltoavera geinputcurrentin one controlmakesthe openloop transferfunctiona first ordersystemsothatit s veryeasyto high programmableandadaptivelychangeswithinpu tvoltage,makingtheoptimizationof efficiencyvery (1)PARTNUMBERPACKAGEBODYSIZE(NOM)UCC2563 03 SOIC(14) mm x mm(1) For all availablepackages,see the orderableaddendumatthe end of the.

3 UCC256303 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedTableof Contents1 Pin Configurationand Applicationand Deviceand (if applicable).. Mechanical,Packaging,and RevisionHistoryNOTE:Pagenumbersfor previousrevisionsmay differfrompagenumbersin the * SEPTEMBER2017 ProductFolderLinks: UCC256303 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporated5 Pin Configurationand FunctionsDDBP ackage16-PinSOICTop ViewPin pin is usedto sensethe resistivedividershouldbe usedtoattenuatethe signalbeforeit is appliedto this pin. The voltagelevelon this pin will determinewhenthe LLC sensedBLK voltageis also usedto adjustthe burstmodethresholdto improveefficiencyoverthe pin is usedto sensethe outputvoltagethroughthe bias sensedvoltageisusedfor amountof currentsourcedfromthis pin will determinethe LLC all bootstrapcapacitoris connectedbetweenthis pin and pin HS.

4 A high voltage,high speeddiodeshouldbe connectedfromRVCC tothis pin to supplypowerto the upperMOSFET driverduringthe periodwhenthe lowerMOSFETis the resonantcapacitorvoltageis differentiatedwith a first orderfilter to measurethe resonantcurrentLL/SS9 IThe capacitancevalueconnectedfromthis pin to groundwill definethe durationof the pin is also usedto programthe burstmodethreshold;the resistordivideron this pin programsthe burstmodethresholdand the thresholdscalingfactorwith BLK clearanceMissing13N/AFunctionalcreepagea nd pin is usedto supplythe gatedriverand : UCC256303 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporated(1)Stre ssesbeyondthoselistedunderAbsoluteMaximu mRatingsmay causepermanentdamageto the stressratingsonly,whichdo not implyfunctionaloperationof the deviceat theseor any absolute-maximum-ratedconditionsfor extendedperiodsmay (unlessotherwisenoted),all voltageagesare with respectto GND,currentsarepositiveinto and negativeout of the specifiedterminal.

5 (1)MINMAXUNITI nputvoltageHB ,FB, LL/SS - HS , outputvoltageDCHS + ,less than100 nsHS - 2HB + outputvoltageDC + ,less than100 ns 2 RVCC+ ,dVHS/dt 5050V/nsHO, LO pulsedcurrent,IOUT_PULSED ,TJ 40150 CStoragetemperaturerange,Tstg 5150 LeadtemperatureSoldering,10 second300 Reflow260(1)JEDEC documentJEP155statesthat 500-VHBM allowssafe manufacturingwith a standardESDcontrolprocess.(2)JEDEC documentJEP157statesthat 250-VCDM allowssafe manufacturingwith a (ESD)ElectrostaticdischargeHumanbodymode l(HBM),perANSI/ESDA/JEDECJS-001,highvolt agepins(1) 1000 VHumanbodymodel(HBM),perANSI/ESDA/JEDECJ S-001,all otherpins(1) 2000 Chargeddevicemodel(CDM),perJEDEC specificationJESD22-C101,allpins(2) SEPTEMBER2017 ProductFolderLinks.

6 UCC256303 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporated(1)Not testedin voltagesare with respectto GND, 40 C< TJ=TA< 125 C, currentsare positiveinto and negativeout of the specifiedterminal, - HSDriverbootstrapvoltage101216 VCBC eramicbypasscapacitorfromHB to FCRVCCRVCCpin FIRVCCMAXM aximumoutputcurrentof RVCC(1)100mATAO peratingambienttemperature 40125 C(1)For moreinformationabouttraditionaland new thermalmetrics,see the Semiconductorand IC PackageThermalMetricsapplicationreport, (1)UCC25630 UNITD (SOIC)14 PINSR C/WR JC(top)Junction-to-case(top) C/WR C/W C/W C/W6 UCC256303 SLUSD49 : UCC256303 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporated(1)Not testedin characterization(2)Not testedin voltagesare with respectto GND, 40 C< TJ=TA< 125 C, VCC= 15 V, currentsare positiveinto and negativeout of thespecifiedterminal, externalbias mode,gatestartsswitchingabovethis duringburstoff periodVCC= 15V600645750 AICCRunCurrentdrawnfromVCCPin whilegateis 15V, ,ICC= out voltage(1)7 VBULKVOLTAGESENSEVBLKS tartInputvoltagethat allowsLLC to forcesLLCoperationto IFBFB Af-3dBFeedbackchain-3dBcut off frequency(2) start(1) time the averageinputcurrentneedsto stay aboveOCP2thresholdbeforeOCP2is triggered(1)

7 2msTISNS_OCP3 The time the averageinputcurrentneedsto stay aboveOCP3thresholdbeforeOCP3is triggered(1) OCP1cyclesbeforeOCP1fault is tripped(1) SEPTEMBER2017 ProductFolderLinks: UCC256303 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedElectri calCharacteristics(continued)All voltagesare with respectto GND, 40 C< TJ=TA< 125 C, VCC= 15 V, currentsare positiveinto and negativeout of thespecifiedterminal, (3)IMismatchcalculatedas averageof (IPD-(IPD+IPU)/(IPD+IPU)/2)) and (IPU-(IPD+IPU)/((IPD+IPU)/2) up and pull downrampcurrentsourcemismatch(3) pin to chargeup the soft ARSSDownSS pin pull downresistanceZCSor OCP1222401580 GATEDRIVERVLOLLO outputlow voltageIsink= VLOHLO outputhigh voltageIsource= VHSHO outputlow voltageIsink= VHOHHO outputhigh voltageIsource= , LO peaksourcecurrent(2) , LO peaksink current(2)

8 (HB - HS) quiescentcurrentHB - HS = AIBOOT_LEAKHB to AtChargeBootLengthof chargebootstate234267296 sBIASWINDINGVBWOVRiseOutputvoltageOVP voltagescalingresistorvalue240250258k ADAPTIVEDEADTIMEdVHS/dtDetectablePSNslew rate(1) 1 50V/nsFAULTRECOVERYtPauseTimeOutPausedti mer(1)1sTHERMALSHUTDOWNTJ_rThermalshutdo wntemperature(1)Temperaturerising125145 CTJ_HThermalshutdownhsyterisis(1)20 C8 UCC256303 SLUSD49 : UCC256303 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporated(1)Not testedin voltagesare with respectto GND, 40 C < TJ=TA< 125 C, VCC= 12 V, currentsare positiveinto and negativeout of thespecifiedterminal, (LO)Risetime10%to 90%,1-nFload183550nstf(LO)Fall time10%to 90%,1-nFload152550nstr(HO)Risetime10%to 90%,1-nFload183550nstf(HO)Fall time10%to 90%,1-nFload152550nstDT(min)Minimumdeadt ime(1)100nstDT(max)Maximumdeadtime (deadtime fault)(1)150 stON(min)Minimumgateon time(1)250nstON(max)Maximumgateon time(1) sTemperature ( C)RLL (k.)

9 VVCC=15 VVCC=25 VTemperature ( C)VRVCC (V) VVCC=15 VVCC=25 VTemperature ( C)IRamp (mA) VVCC=15 VVCC=25 VTemperature ( C)Imismatch(%) VVCC=15 VVCC=25 VTemperature ( C)IBoot_Quiescent (PA)-60-40-20020406080100120140586062646 6687072D001 VCC= VVCC=15 VVCC=25 VTemperature ( C)IBoot_Leak ( A) VVCC=15 VVCC=25 SEPTEMBER2017 ProductFolderLinks: UCC256303 SubmitDocumentationFeedbackCopyright 2017, IBOOT_QUIESCENTvs TemperatureFigure2. IBOOT_LEAKvs TemperatureFigure3. IRAMPvs TemperatureFigure4. IMISMATCHvs TemperatureFigure5. RLLvs TemperatureFigure6. VRVCCvs Temperature,ICC= 100 mATemperature ( C)RFB (k:) VVCC=15 VVCC=25 VTemperature ( C)IFB (PA)-60-40-20020406080100120140159160161 162163164165166167D012 VCC= VVCC=15 VVCC=25 VTemperature ( C)ICCRun (mA) VVCC=15 VVCC=25 VTemperature ( C)VCM (V) VVCC=15 VVCC=25 VTemperature ( C)VRVCC (V) VVCC=15 VVCC=25 VTemperature ( C)ICCS leep (PA) VVCC=15 VVCC=25 V10 UCC256303 SLUSD49 : UCC256303 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedTypical Characteristics(continued)Figure7.

10 VRVCCvs Temperature,ICC= 0 mAFigure8. iCCSleepvs TemperatureFigure9. ICCR unvs TemperatureFigure10. VCMvs TemperatureFigure11. RFBvs TemperatureFigure12. IFBvs TemperatureTemperature ( C)VOL (mV)-60-40-20020406080100120140354045505 560657075D017 VCC= VVCC=15 VVCC=25 VTemperature ( C)VRVCC-VLOH (mV)-60-40-20020406080100120140120140160 180200220240260D018 VCC= VVCC=15 VVCC=25 VTemperature ( C)VHB-HSUVLORise (V) VVCC=15 VVCC=25 VTemperature ( C)VHB-HSUVLOFall (V) VVCC=15 VVCC=25 VTemperature ( C)ISSUp (PA) VVCC=15 VVCC=25 VTemperature ( C)RSSDown (:)-60-40-200204060801001201403603804004 20440460D014 VCC= VVCC=15 VVCC=25 SEPTEMBER2017 ProductFolderLinks: UCC256303 SubmitDocumentationFeedbackCopyright 2017,TexasInstrumentsIncorporatedTypical Characteristics(continued)Figure13.