Transcription of 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.
4 The shutdown,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.
7 Limitsoverthe operatingtemperaturerangeare specifiedthroughcorrelationusingStatisti calQualityControl(SQC) limitsare usedto calculateTI's AverageOutgoingQualityLevel(AOQL).(2)Typ icalnumbersrepresentthe 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 = )
8 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, APRIL2003 REVISEDNOVEMBER2015 ElectricalCharacteristics(continued)Spec ificationsare for TJ= 25 C.
9 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. OscillatorFrequencyvs RTFigure4. OscillatorFrequencyvs TemperatureRT = Figure5.
10 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.
