ULN2803A Datasheet - Texas Instruments

1 8C7C6C5C4C3C2C76543217B6B5B4B3B2B1B11121 314151617 COM88B101C18 ProductFolderOrderNowTechnicalDocumentsT ools &SoftwareSupport &CommunityAn IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand FEBRUARY1997 REVISEDFEBRUARY2017 ULN2803 ADarlingtonTransistorArrays11 Features1 500-mA-RatedCollectorCurrent(SingleOutpu t) High-VoltageOutputs:50 V OutputClampDiodes InputsCompatibleWithVariousTypesof Logic2 Applications RelayDrivers HammerDrivers LampDrivers DisplayDrivers(LEDand Gas Discharge) Line Drivers LogicBuffers StepperMotors IP Camera HVACV alveand LEDDot Matrix3 DescriptionThe ULN2803 Adeviceis a 50 V, 500 mA eightNPND arlingtonpairsthat collector-currentratingof eachDarlingtonpair is 500 mA.

2 The Darlingtonpairsmaybe connectedin parallelfor ,hammerdrivers,lampdrivers,displaydriver s(LEDandgasdischarge),linedrivers, a seriesbaseresistorfor eachDarlingtonpairfor operationdirectlywithTTL or 5-V (1)PARTNUMBERPACKAGEBODYSIZE(NOM)ULN2803 ADWSOIC(18) (1) For all availablepackages,see the orderableaddendumatthe end of the FEBRUARY1997 :ULN2803 ASubmitDocumentationFeedbackCopyright 1997 2017,TexasInstrumentsIncorporatedTableof Contents1 Pin Configurationand Applicationand Deviceand Mechanical,Packaging,and RevisionHistoryNOTE:Pagenumbersfor previousrevisionsmay differfrompagenumbersin the (January2015)to RevisionHPage DeletedobsoleteorderableULN2803 ANand removedall referencesto N AddedStoragetemperature, AddedAmbienttemperature, Changedcoil (January2014)to RevisionGPage AddedApplications,DeviceInformationtable ,PinFunctionstable,ESDR atingstable,ThermalInformationtable,Typi calCharacteristics,FeatureDescriptionsec tion,DeviceFunctionalModes,Applicationan dImplementationsection,PowerSupplyRecomm endationssection,Layoutsection,Deviceand DocumentationSupportsection,andMechanica l,Packaging, (July2006)

3 To RevisionFPage Updateddocumentto new TI datasheetformat- no 1C22B17 2C33B16 3C44B15 4C55B14 5C66B13 6C77B12 7C88B11 8C9 GND10 COMNot to FEBRUARY1997 REVISEDFEBRUARY2017 ProductFolderLinks:ULN2803 ASubmitDocumentationFeedbackCopyright 1997 2017,TexasInstrumentsIncorporated5 Pin Configurationand FunctionsDW Package18-PinSOICTop ViewPin through8 Darlingtonbaseinput2B23B34B45B56B67B78B8 1C18 OChannel1 through8 Darlingtoncollectoroutput2C173C164C155C1 46C137C128C11 GND9 Commonemittersharedby all channels(typicallytied to ground)COM10I/OCommoncathodenodefor flybackdiodes(requiredfor inductiveloads)4 ULN2803 ASLRS049H FEBRUARY1997 :ULN2803 ASubmitDocumentationFeedbackCopyright 1997 2017,TexasInstrumentsIncorporated(1)Stre ssesbeyondthoselistedunderAbsoluteMaximu mRatingsmay causepermanentdamageto the stressratingsonly,whichdo not implyfunctionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditions.

4 Exposureto absolute-maximum-ratedconditionsfor extendedperiodsmay affectdevicereliability.(2)All voltagevalues,unlessotherwisenoted,are with respectto the 25 C free-airtemperature(unlessotherwisenoted )(1)MINMAXUNITVCEC ollector-emittervoltage50 VVII nputvoltage(2)30 VPeakcollectorcurrent500mAI(clamp)Output clampcurrent500mATotalsubstrate-terminal current 65150 CTstgStoragetemperature 65150 C(1)JEDEC documentJEP155statesthat 500-VHBM allowssafe manufacturingwith a standardESDcontrolprocess.(2)JEDEC documentJEP157statesthat 250-VCDM allowssafe manufacturingwith a (ESD)ElectrostaticdischargeHumanbodymode l(HBM),per ANSI/ESDA/JEDECJS-001(1) 2000 VChargeddevicemodel(CDM),per JEDEC specificationJESD22-C101(2) (unlessotherwisenoted)MINMAXUNITVCEC ollector-emittervoltage050 VTAA mbienttemperature 4085 C(1)For moreinformationabouttraditionaland new thermalmetrics,see (1)ULN2803 AUNITDW (SOIC)18 PINSR C/WR JC(top)Junction-to-case(top) C/WR C/W C/W C/WR JC(bot)Junction-to-case(bottom)thermalre sistanceN/A C/W FEBRUARY1997 REVISEDFEBRUARY2017 ProductFolderLinks.

5 ULN2803 ASubmitDocumentationFeedbackCopyright 1997 2017, TA= 25 C free-airtemperature(unlessotherwisenoted )PARAMETERTESTCONDITIONSULN2803 AUNITMINTYPMAXICEXC ollectorcutoffcurrentVCE= 50 V,see Figure3II= 050 AII(off)Off-stateinputcurrentVCE= 50 V,TA= 70 CIC= 500 A,see Figure45065 AII(on)InputcurrentVI= ,See (on)On-stateinputvoltageVCE= 2 V,see Figure6IC= 200 250 300 mA3 VCE(sat)Collector-emittersaturationvolta geII= 250 A,see Figure7IC= 100 350 A,see Figure7IC= 200 500 A,see Figure7IC= 350 50 V,see Figure850 AVFC lampdiodeforwardvoltageIF= 350 mAsee 0,f = 1 25 CPARAMETERTESTCONDITIONSMINTYPMAXUNITtPL HP ropagationdelaytime,low- to high-leveloutputVS= 50 V, CL= 15 pF, RL= 163 ,See Figure10130nstPHLP ropagationdelaytime,high-to low-leveloutput20 VOHHigh-leveloutputvoltageafterswitching VS= 50 V, IO= 300 mA, see Figure11VS Collector-EmitterSaturationVoltagevs CollectorCurrent(OneDarlington)Figure2.

6 Collector-EmitterSaturationVoltagevs TotalCollectorCurrent(TwoDarlingtonsin Parallel)OpenVFIFOpenVCEICIIhFE=ICIIVROp enIROpenVCEICVIOpenIIOpenVIOpen VCEICII(off)Open VCEICEXOpen6 ULN2803 ASLRS049H FEBRUARY1997 :ULN2803 ASubmitDocumentationFeedbackCopyright 1997 2017,TexasInstrumentsIncorporated7 ParameterMeasurementInformationFigure3. ICEXTestCircuitFigure4. II(off)TestCircuitFigure5. II(on)TestCircuitFigure6. VI(on)TestCircuitFigure7. hFE, VCE(sat)TestCircuitFigure8. IRTestCircuitFigure9. VFTestCircuitPulseGenerator(see Note A)InputOpenVS= 50 VRL= 163 CL= 15 pF(see Note B) s<5 ns<10 ns90%50%10%10%90%50%50%50%VIH(see Note C)InputOutput0 Test CircuitVoltage FEBRUARY1997 REVISEDFEBRUARY2017 ProductFolderLinks:ULN2803 ASubmitDocumentationFeedbackCopyright 1997 2017,TexasInstrumentsIncorporatedParamet erMeasurementInformation(continued) pulsegeneratorhas the followingcharacteristics:PRR= ,ZO= 50.

7 Jig 3 VFigure10. PropagationDelayTimesPulseGenerator(see Note A)InputVS163 CL= 15 pF(see Note B)Output40 s<5 ns<10 ns90% V10%10%90% VVIH(see Note C)InputOutput02 mHVOHTest CircuitVoltage Waveforms8 ULN2803 ASLRS049H FEBRUARY1997 :ULN2803 ASubmitDocumentationFeedbackCopyright 1997 2017,TexasInstrumentsIncorporatedParamet erMeasurementInformation(continued) pulsegeneratorhas the followingcharacteristics:PRR= ,ZO= 50 . jig 3 VFigure11. k k 3 k COMO utput CEInput FEBRUARY1997 REVISEDFEBRUARY2017 ProductFolderLinks:ULN2803 ASubmitDocumentationFeedbackCopyright 1997 2017,TexasInstrumentsIncorporated8 provenubiquityand versatilityacrossa widerangeof due to itsintegrationof 8 Darlingtontransistorsthat are capableof sinkingup to 500 mA and ULN2803 Ais comprisedof eighthighvoltage, unitsfeaturea commonemitterand maximizetheireffectiveness,theseunitscon tainsuppressiondiodesfor ULN2803 Ahas a seriesbaseresistorto eachDarlingtonpair,thusallowingoperation directlywithTTLor CMOS operatingat supplyvoltagesof 5 V or V.

8 TheULN2803 Aofferssolutionsto a greatmanyinterfaceneeds,includingsolenoi ds,relays,lamps,smallmotors, currentsbeyondthe capabilityof a singleoutputmay be accommodatedby parallelingthe ULN2803 Aconsistsof connectioncreatesthe effectof a singletransistorwith a veryhigh allowsfor highoutputcurrentdrivewith avery-lowinputcurrent,essentiallyequatin gto operationwith low GPIO voltageis convertedto basecurrentthroughthe resistorconnectedbetweenthe inputandbaseof the diodesconnectedbetweenthe outputand COMpin are usedto suppressthe kick-backvoltagefromaninductiveloadthat is excitedwhenthe NPNdriversare turnedoff (stopsinking)and the storedenergyin thecoilscausesa reversecurrentto flow into the coil supplythroughthe normaloperation,the diodeson baseand collectorpins to emitterwill be thesediodeareforwardbiased,internalparas iticNPNtransistorswill draw(a nearlyequal)currentfromother(nearby) COMpin is tied to the coil supplyvoltage,ULN2803 Ais able to driveinductiveloadsand suppressthekick-backvoltagethroughthe internalfree ,COMcan be left unconnectedor connectedto the multiplesuppliesare used,connectto the V V V LogicVSUPIN8 OUT8 Copyright 2017, Texas Instruments Incorporated10 ULN2803 ASLRS049H FEBRUARY1997.

9 ULN2803 ASubmitDocumentationFeedbackCopyright 1997 2017,TexasInstrumentsIncorporated9 Applicationand ImplementationNOTEI nformationin the followingapplicationssectionsis not partof the TI componentspecification,and TI doesnot warrantits accuracyor s customersareresponsiblefor determiningsuitabilityof componentsfor test theirdesignimplementationto typicallybe usedto drivea highvoltageand/orcurrentperipheralfroman MCUor logicdevicethat a commonapplicationof ULN2803A , ,solenoids,and be modeledby whatis ULN2803 Aas InductiveLoadDriver()J(MAX)A(MAX)JATTPD- =qNDOLi Lii 1PV I== FEBRUARY1997 REVISEDFEBRUARY2017 ProductFolderLinks:ULN2803 ASubmitDocumentationFeedbackCopyright 1997 2017,TexasInstrumentsIncorporatedTypical Application(continued) this designexample,use the parameterslistedin Table1 as the or 5 VCoil supplyvoltage12 to 50 VNumberof channels8 Outputcurrent(RCOIL)20 to 300 mA per channelDutycycle100% a coil drivingapplication,determinethe following: Inputvoltagerange Temperaturerange Outputand drivecurrent currentis determinedby the coil voltage(VSUP),coil resistance,and outputlow voltage(VOLorVCE(SAT)).

10 ICOIL= (VSUP VCE(SAT)) / RCOIL(1) outputlow voltage(VOL) is the samethingas VCE(SAT)and can be determinedby Figure1, Figure2, TemperatureThe numberof coilsdrivenis dependenton the coil currentand determinethenumberof coilspossible,use Equation2 to N is the numberof channelsactivetogether. VOLiis the OUTipin voltagefor the load currentILi. This is the sameas VCE(SAT)(2)To ensurethe reliabilityof ULN2803 Aand the system,the on-chippowerdissipationmustbe lowerthat or equalto the maximumallowablepowerdissipation(PD) dictatedby TJ(MAX)is the targetmaximumjunctiontemperature. TAis the operatingambienttemperature. JAis the packagejunctionto ambientthermalresistance.(3)TI recommendsto limitULN2803 AIC s die junctiontemperatureto <125 C.