LM5030 100V Push-Pull Current Mode PWM …

1 VINVCCRTSSGNDVFBCOMPCSOUT1 OUT2 ISOLATEDFEEDBACKLM5030 VINVOUTP roductFolderSample &BuyTechnicalDocumentsTools &SoftwareSupport &CommunityReferenceDesignLM5030 SNVS215D APRIL2003 REVISEDNOVEMBER2015LM5030100-V push -PullCurrentMode PWM Controller1 Features3 DescriptionThe LM5030high-voltagePWMcontrollercontainsa ll1 InternalHigh-VoltageStart-UpRegulatorof the featuresneededto implementpush-pulland SingleResistorOscillatorSettingbridgetop ologies,usingcurrent-modecontrolin a LM5030includes ErrorAmplifiera high-voltagestart-upregulatorthat operatesovera PrecisionReferencewideinputrangeof 14 V to 100 V. Additionalfeatures AdjustableSoftstartinclude:erroramplifie r,precisionreference,dualmodecurrentlimi t,slopecompensation,softstart, DualModeOvercurrentProtectionsynccapabil ity, SlopeCompensationspeedIC hastotalpropagationdelayslessthan DirectOptocouplerInterface100ns anda 1-MHzcapablesingle-resistor ThermalShutdownDeviceInformation(1)PARTN UMBERPACKAGEBODYSIZE(NOM)2 ApplicationsVSSOP(10) TelecommunicationPowerConvertersLM5030 WSON(10) IndustrialPowerConverters(1)

2 For all availablepackages,see the orderableaddendumat +42-VAutomotiveSystemsthe end of the IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand APRIL2003 Applicationand Pin Configurationand Deviceand Mechanical,Packaging,and RevisionHistoryNOTE:Pagenumbersfor previousrevisionsmay differfrompagenumbersin the (March2013)to RevisionDPage AddedESDR atingstable,ThermalInformationtable,Feat ureDescriptionsection,DeviceFunctionalMo des,Applicationand Implementationsection,PowerSupplyRecomme ndationssection,Layoutsection,DeviceandD ocumentationSupportsection,andMechanical ,Packaging,and (March2013)to RevisionCPage Changedlayoutof NationalDataSheetto TI 2003 2015, APRIL2003 REVISEDNOVEMBER20155 Pin Configurationand FunctionsDGS,DPRP ackage10-PinVSSOP,WSONTop ViewPin an internal5-k pullupresistoron this pin.

3 TheCOMP3 OOutputto the erroramplifiererroramplifierprovidesan currentmodecontroland currentlimit ,if V, the outputswill go into CS the outputswill bedisabledand a ReturnGroundOUT15 OOutputof the PWMcontrollerAlternatingPWMoutputgatedri verOUT26 OOutputof the PWMcontrollerAlternatingPWMoutputgatedri verAn externalresistorsets the pinOscillatortimingresistorpin andRT9 Iwill also acceptsynchronizationpulsesfroman 10- A currentsourceand an externalcapacitorset controllerwill entera low powerSS10 IDualpurposesoft startand shutdownpinstateif the SS pin is pulledbelowthe typicalshutdownthresholdof to 100 non-invertinginputis internallyconnectedto a the internalhigh-voltageseriesIf an auxiliarywindingraisesthe voltageon this pin aboveVCC4 regulationsetpointisthe regulationsetpoint,the shutdown.

4 Reducingthe IC exposeddie attachpad on the WSON packageshouldbe connectedto a PCBthermalpad at Die substrateFor additionalinformationon usingTI's No pull BackDAPWSON package,referto WSONA pplicationNoteAN-1187(SNOA401).Copyright 2003 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback3 ProductFolderLinks:LM5030LM5030 SNVS215D APRIL2003 (unlessotherwisenoted)(1)MINMAXUNITVINto GND(Survival) GND(Survival) to GND(Survival) otherpins to GND(Survival) (soldering4 seconds)260 COperatingjunctiontemperature150 CStoragetemperature,Tstg 55150 C(1)StressesbeyondthoselistedunderAbsolu teMaximumRatingsmay causepermanentdamageto the stressratingsonly,whichdo not implyfunctionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditions.

5 Exposureto absolute-maximum-ratedconditionsfor extendedperiodsmay (HBM),per ANSI/ESDA/JEDECJS-001(1) 2000V(ESD)ElectrostaticdischargeVMachine model(MM) 200(1)JEDEC documentJEP155statesthat 500-VHBM allowssafe manufacturingwith a (unlessotherwisenoted)MINNOMMAXUNITVIN14 90 VTJO peratingjunctiontemperature 40105 (1)DGS(VSSOP)DPR(WSON)UNIT10 PINS10 PINSR C/WR JC(top)Junction-to-case(top) C/WR C/W C/W C/WR JC(bot)Junction-to-case(bottom)thermalre sistance C/W(1)For moreinformationabouttraditionaland new thermalmetrics,see theSemiconductorand IC PackageThermalMetricsapplicationreport, 2003 2015, APRIL2003 for TJ= 25 C. Unlessotherwisespecified:VIN= 48 V, VCC= 10 V, and RT = PARAMETERTESTCONDITIONSMIN(1)TYP(2)MAX(1 )UNITSTART-UPREGULATORTJ= 25 25 C17 VCCC urrentlimitSee Figure2mAfull operatingjunction10temperaturerangeTJ= 25 C150 Start-upregulatorleakageI-VINVIN= 90 V Afull operatingjunction(externalVCCsupply)

6 500temperaturerangeTJ= 25 C250SS = 0 V, VCC=IINS hutdowncurrent Afull operatingjunctionopen350temperaturerange VCCSUPPLYVCCReg TJ= 25 C100 mVVCCU ndervoltagelockoutVvoltageVCCReg full operatingjunctiontemperaturerange300 mVTJ= 25 25 C2 ICCS upplycurrentCload= 0mAfull operatingjunction3temperaturerangeERRORA MPLIFIERGBWG ainbandwidth4 MHzDC gain75dBTJ= 25 COMPV full 25 C13 VFB= V COMPCOMP sink capabilitymAfull operatingjunction= 1 V5temperaturerangeCURRENTLIMITTJ= 25 thresholdCS1 Vvoltagefull 25 thresholdvoltagecapacitor;autoVfull step from0-V to OUTILIM delayto outputtransition(90%)30nsCload= 0TJ= 25 C6CS sink Current (clocked)CS = VmAfull operatingjunction3temperaturerange(1)Lim itsare 100%productiontestedat 25 C. Limitsoverthe operatingtemperaturerangeare specifiedthroughcorrelationusingStatisti calQualityControl(SQC) limitsare usedto calculateTI's AverageOutgoingQualityLevel(AOQL).

7 (2)Typicalnumbersrepresentthe mostlikelyparametricnormfor 25 C 2003 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback5 ProductFolderLinks:LM5030LM5030 SNVS215D APRIL2003 (continued)Specificationsare for TJ= 25 C. Unlessotherwisespecified:VIN= 48 V, VCC= 10 V, and RT = PARAMETERTESTCONDITIONSMIN(1)TYP(2)MAX(1 )UNITSOFTSTARTANDSHUTDOWNTJ= 25 C10 Softstartcurrentsource Afull operatingjunctiontemperaturerange713TJ= 25 COMP offsetVfull 25 25 C200 Frequency1(RT = )kHzfull operatingjunctiontemperaturerange175225T J= 25 C600 Frequency2(RT = )kHzfull operatingjunctiontemperaturerange510690T J= 25 to 2-V CS stepped0 to V, time-to-Delayto output30nsonsetof OUTtransitionlowTJ= 25 C49%InferredfromMax duty cyclefull operatingjunctionMin duty cycleCOMP= 0 V0%temperaturerangeCOMPto / VgainTJ= 25 0 VVfull 25 0 V, COMP=COMP shortcircuitcurrentmAfull operatingjunction0 25 C105 DeltaincreaseatSlopecompamplitudePWMC omparatortomVfull operatingjunction80130 CStemperaturerangeOUTPUTSECTIONTJ= 25 C135 Cload= 0, 10%toDeadtimensfull operatingjunction10%85185temperaturerang eTJ= 25 = 50 mA, VCC Outputhigh saturationVfull 25 saturationIOUT= 100 mAVfull 1 nF16nsFall timeCload= 1 nF16ns6 SubmitDocumentationFeedbackCopyright 2003 2015.

8 APRIL2003 REVISEDNOVEMBER2015 ElectricalCharacteristics(continued)Spec ificationsare for TJ= 25 C. Unlessotherwisespecified:VIN= 48 V, VCC= 10 V, and RT = PARAMETERTESTCONDITIONSMIN(1)TYP(2)MAX(1 )UNITTHERMALSHUTDOWNT hermalshutdownTsd165 CtemperatureThermalshutdownhysteresis15 CCopyright 2003 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback7 ProductFolderLinks: LM5030 DEADTIME (ns)130135140145150155160 TEMPERATURE (oC)-50050100150 ISS (PA)TEMPERATURE (oC) (oC)OSCILLATOR FREQUENCY (kHz) (K:)OSCILLATOR FREQUENCY (kHz)1101000246810121416 VIN (V)0246810121416 VCC (V)0246810 12 14 16 18 20012345678910 VCC (V)ICC (mA) LM5030 SNVS215D APRIL2003 TJ= 25 C (unlessotherwisenoted)Figure1. VCCvs VINF igure2. VCCvs ICC(VIN= 48 V)Figure3.

9 OscillatorFrequencyvs RTFigure4. OscillatorFrequencyvs TemperatureRT = Figure5. SoftstartCurrentvs TemperatureFigure6. Deadtimevs Temperature8 SubmitDocumentationFeedbackCopyright 2003 2015, APRIL2003 REVISEDNOVEMBER2015 TypicalCharacteristics(continued)at TJ= 25 C (unlessotherwisenoted)Figure7. FeedbackAmplifierGainphaseCopyright 2003 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback9 SERIES REGULATORGENERATORREFERENCESLOPECOMP RAMPGENERATORDRIVERDRIVERPWMRt / AMPSOFT +-+-+-+-CLKCLRSETJQKQCLRSETSQRQLM5030 SNVS215D APRIL2003 LM5030high-voltagePWMcontrollercontainsa ll of the featuresneededto implementpush-pulland bridgetopologies,usingcurrent-modecontro lin a , start-upregulator,dualmodecurrentlimit,d ualalternatinggatedrivers,thermalshutdow n,softstart,and has totalpropagationdelays< 100 ns.

10 Thefunctionalblockdiagramof the LM5030is LM5030is designedfor Current -modecontrolconvertersthat requirealternatingoutputs,suchas push -pulland half-and featuresincludedin the LM5030enableall of the advantagesof Current -modecontrol,line feed-forward,cycle-by-cyclecurrentlimit, and oscillatorrampis internallybufferedandaddedto the PWMcomparatorinputto providethe necessaryslopecompensationfor Current -modecontrolat higherduty 2003 2015, APRIL2003 LM5030containsan inputpin (VIN) can be connecteddirectlytoline voltagesas highas 100 V. The regulatoroutputis internallycurrentlimitedto 10 mA. Uponpowerup, theregulatoris enabledand sourcescurrentinto an externalcapacitorconnectedto the VCCpin. The recommendedcapacitancerangefor the VCCregulatoris F to 50 F.