LM5033 100V Push-Pull Voltage Mode PWM …

1 +ISOLATEDFEEDBACKCOMPGNDSSRTREFVCCVINOUT 1 OUT2 CSLM5033 VINVOUTC opyright 2016, Texas Instruments IncorporatedProductFolderSample &BuyTechnicalDocumentsTools &SoftwareSupport &CommunityAn IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand APRIL2004 REVISEDAUGUST2016LM5033100-V push -PullVoltageMode PWM Controller11 Features1 InternalHigh- Voltage (100V) Start-UpRegulator SingleResistorOscillatorSetting Synchronizable PrecisionReferenceOutput AdjustableSoft Start OvercurrentProtection DirectOptocouplerInterface ThermalShutdown2 Applications IntermediateDC-DCBus Converter TelecommunicationPowerConverters IndustrialPowerConverters 42-VAutomotiveSystems3 DescriptionThe LM5033high-voltagePWMcontrollercontainsa llthe featuresnecessaryto implementpush- pull ,half-bridge, ,or open-loopDCtransformerssuchas an Intermediatebus converter(IBC)withan efficiencygreaterthan95%.

2 Twoalternatinggatedriveroutputswitha specifieddeadtimeare start-upregulatorthatoperatesovera wideinputrangefrom15 V to 100 :precisionvoltagereferenceoutput,current limitdetection,remoteshutdown,softstart, synccapability, has totalpropagationdelayslessthan100ns anda (1)PARTNUMBERPACKAGEBODYSIZE(NOM) LM5033 VSSOP(10) (10) (1) For all availablepackages,see the orderableaddendumatthe end of the APRIL2004 : LM5033 SubmitDocumentationFeedbackCopyright 2004 2016,TexasInstrumentsIncorporatedTableof Contents1 Pin Configurationand Applicationand Deviceand Mechanical,Packaging,and RevisionHistoryNOTE:Pagenumbersfor previousrevisionsmay differfrompagenumbersin the (April2013)to RevisionCPage AddedDeviceInformationtable,Pin Configurationand Functionssection,Specificationssection,E SDR atingstable,ThermalInformationtable,Deta iledDescriptionsection,Applicationand Implementationsection,PowerSupplyRecomme ndationssection,Layoutsection,Deviceand DocumentationSupportsection,andMechanica l,Packaging,and DeletedOrderingInformationTable.

3 See POAat the end of the Changedvaluesin theThermalInformationtableto alignwith (May2005)to RevisionBPage Changedlayoutof NationalSemiconductorDataSheetto TI to scaleThermalPad1 VIN10SS2 REF9 APRIL2004 REVISEDAUGUST2016 ProductFolderLinks: LM5033 SubmitDocumentationFeedbackCopyright 2004 2016,TexasInstrumentsIncorporated(1)Only availableon the Pin Configurationand FunctionsDGSand DPRP ackages10-PinVSSOPand WSONTop ViewPin the invertinginputof the PWMcomparator,througha 3:1 outputduty cycleincreasesas the voltageto this pin a 5-k pullupresistorto the currentlimit voltageto this pin V the outputsaredisabledand the soft-start(SS)pin is dischargedto Connectionsto externalgroundmustbe donewith carefor Implementationfor ,whichcan sourceand sink ,whichcan sourceand sink ,requiresan can be usedas a and externalresistorto groundsets the pin also acceptsAC-coupledsynchronizationpulsesfr oman An internal10- A currentsourceand an externalcapacitorset the can be externallypulledto V to disablethe internalhigh externalvoltage,10 V to 15 V, canbe appliedto this pin to shutdownthe internalregulator, internaldiodeconnectsVCCto the V to 90 V, with transientcapabilityto 100 (1) The exposeddie attachpad on the WSON packagemustbe connectedto a PCBthermalpad at (LLP)(SNOA401)

4 4LM5033 SNVS181C APRIL2004 : LM5033 SubmitDocumentationFeedbackCopyright 2004 2016,TexasInstrumentsIncorporated(1)Stre ssesbeyondthoselistedunderAbsoluteMaximu mRatingsmay causepermanentdamageto the stressratingsonly,whichdo not implyfunctionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditions. Exposureto absolute-maximum-ratedconditionsfor extendedperiodsmay affectdevicereliability.(2)The maximumallowablepowerdissipationis a functionof the maximumallowedjunctiontemperature(TJ(max )), the ambienttemperature(TA), and the junction-to-ambientthermalresistance( JA). The maximumallowablepowerdissipationcan be calculatedfromPD =(TJ(max) TA) / JA.

5 Excessivepowerdissipationcausesthe thermalshutdownto (1)MINMAXUNITVIN to GND GND GND ,CS, and SS to GND (2)InternallyLimitedMaximumjunctiontempe rature,TJ(MAX)150 CStoragetemperature,Tstg 65150 C(1)JEDEC documentJEP155statesthat 500-VHBM allowssafe manufacturingwith a (ESD)ElectrostaticdischargeHuman-bodymod el(HBM),per ANSI/ESDA/JEDECJS-001(1) (unlessotherwisenoted)MINMAXUNITVINI nputvoltage1599 VTJO peratingjunctiontemperature-40125 C(1)For moreinformationabouttraditionaland new thermalmetrics,see theSemiconductorand IC (1) LM5033 UNITDGS(VSSOP)DPR(WSON)10 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 APRIL2004 REVISEDAUGUST2016 ProductFolderLinks: LM5033 SubmitDocumentationFeedbackCopyright 2004 2016,TexasInstrumentsIncorporated(1)Mini mumand maximumlimitsare 100%productiontestedat 25 C.

6 Limitsoverthe operatingtemperaturerangeare specifiedthroughcorrelationusingStatisti calQualityControl(SQC) usedto calculateTI s AverageOutgoingQualityLevel(AOQL).(2)Typ icalspecificationsrepresentthe mostlikelyparametricnormat 25 C 48 V, VCC= 10 V (appliedexternally),and RT= , Typicallimitsare givenfor TJ= 25 C, Minimumand MaximumlimitsapplyoverTJ= 40 C to 125 C (unlessotherwisenoted).(1)(2)PARAMETERTE STCONDITIONSMINTYPMAXUNITVCCSTARTUPREGUL ATORVCCRegVCCvoltageVCCis (OUT)VCCcurrentlimitOUT1and OUT2disabled,extendedsupplyto VCCdisconnected2034mAIINS tartupregulatorcurrentinto VINN ormaloperation,VIN= 90 V150500 AExtendedVCCsupplydisconnected,outputloa d = 1800pF7mAVSS= 0 V3mAUVTVCC undervoltagethreshold(increasingVCC)VCCR eg 300 mVVCCReg 100 mVVUVT hysteresis(decreasingVCC) (IN)Supplycurrentfromexternalsourceto VCCVSS= 0 V23mASS is open,outputload = current= 5 delayto outputVCStakenfromzeroto V, time forVOUT1or VOUT2to fall to 90%of VCC,CLOAD= 0 at OUT1and OUT230nsCurrentsink capability(clocked)

7 VCS V36mASOFTSTARTSoft-startcurrentsource710 13 ASoft-startto 175200225kHzFS2 InternalfrequencyRT= k voltage2 VPWMCOMPARATORINPUTtPWMG ainfromCOMPto cycleat OUT1and OUT2 SeePWMC omparator100 ( tS tD) / tS%Minimumduty cycleat OUT1and OUT2 VCOMP= 0 V0% 0 0 at OUT1and OUT2,timemeasuredfrom10%of fallingoutputto 10%of risingoutput85135185nsRisetimeCLOAD= 1 nF16nsFall timeCLOAD= 1 nF16nsOutputhigh voltageIOUT= 50 mA (source)VCC voltageIOUT= 100 mA (sink) CShutdowntemperaturehysteresis15 C125130135140145150155-50050100150 DEADTIME (ns)TEMPERATURE (oC) (PA)TEMPERATURE (oC)-50050100150200198199200201202 OSCILLATOR FREQUENCY (kHz)TEMPERATURE (oC)1 1000100RT (k:)10100 OSCILLATOR FREQUENCY (kHz)0 5 10 15 20 25 30 35 40 ICC (mA)0246810121416 VCC (V)0 2 4 6 8 10 12 14 16 VIN (V)0246810121416 VCC (V)VCC not externally powered6LM5033 SNVS181C APRIL2004 : LM5033 SubmitDocumentationFeedbackCopyright 2004 2016, VCCvs VINVIN= 48 VFigure2.

8 VCCvs ICCF igure3. OscillatorFrequencyvs RTRT= Figure4. OscillatorFrequencyvs TemperatureFigure5. Soft-StartCurrentvs TemperatureFigure6. DeadTimevs Temperature0204060801000246810 IIN (mA)VIN (V)Output Load = 1500 pFPin 10 = 0 VOutput Load = 0 pF101112131415024681012 ICC (mA)VCC (V)Output Load = 1500 pFOutput Load = 0SS Pin = DUTY CYCLE (%)COMP PIN Voltage - PIN 3 (V) (V)IREF (mA) APRIL2004 REVISEDAUGUST2016 ProductFolderLinks: LM5033 SubmitDocumentationFeedbackCopyright 2004 2016,TexasInstrumentsIncorporatedTypical Characteristics(continued)RT= Figure7. OutputDutyCyclevs COMPV oltageFigure8. VREFvs IREFVCC poweredexternallyFigure9. ICCvs VCCVCCnot poweredexternallyFigure10.

9 IINvs VINUNDERVOLTAGESENSOROSCREF (2)(1) VINVCC (4)(8) (5)OUT2 (6)GND (7) (9) Rt (10) SS(3) SERIES REGULATORSTART Sense+-+-+-RSQQCLRSETCDQQC opyright 2016, Texas Instruments Incorporated8LM5033 SNVS181C APRIL2004 : LM5033 SubmitDocumentationFeedbackCopyright 2004 2016,TexasInstrumentsIncorporated7 LM5033high-voltagePWMcontrollercontainsa ll of the featuresnecessaryto implementpush-pullandbridgetopologies,us ingvoltage-modecontrolin a start-upregulator, ,currentlimitdetection,alternatinggatedr ivers,synccapability,thermalshutdown,sof t start,and has totalpropagationdelaysless than100 designof an open-loopDC-DCconverter,or a () ttDCt -= APRIL2004 REVISEDAUGUST2016 ProductFolderLinks.

10 LM5033 SubmitDocumentationFeedbackCopyright 2004 2016, (VINand VCC)The LM5033containsan inputpin (VIN)can be connecteddirectlytoline voltagesas high as 90 V for normaloperation,and can withstandtransientsto 100 V. The regulatoroutputatVCC, V (typical),is internallycurrentlimitedto 20 mA (minimum).Uponpowerup, the capacitorat VCCchargesup, providinga upperthresholdof theundervoltagesensor( V), the undervoltagesensorresets,enablingthe outputdrivers,althoughthePWMdutycycleis initiallyat the soft-startcapacitorchargesup, the outputdutycycleincreasesuntilregulatedby the valueof the VCCcapacitorwhichaffectsthe start-updelaydependsonthe totalsystemdesignand its recommendsthe VCCcapacitorto be F to50 lowerthresholdof the undervoltagesensoris typicallyat V.