SLVS538B –NOVEMBER 2004–REVISED DECEMBER 2014 …

1 V to 6 VC11 mFL122 mHRS12 WC2220 nFProductFolderSample &BuyTechnicalDocumentsTools &SoftwareSupport &CommunityTPS61060,TPS61061,TPS61062 SLVS538B NOVEMBER2004 REVISEDDECEMBER2014 TPS6106xConstantCurrentLED DriverWith Digitaland PWM BrightnessControl1 Features3 DescriptionTheTPS6106xis a high-frequency,synchronous1 LEDD riverWithIntegratedOvervoltageandboostco nverterwith constantcurrentoutputto driveShort-CircuitProtectionup to five maximumsafety,the 6-V InputVoltageRangedevicefeaturesintegrate dovervoltageandan 500-mVor 250-mVFeedbackVoltageadvancedshort-circu itprotectionwhenthe outputisshortedto deviceoperateswith1-MHz TPS61060 Powersup to 3 LEDsfixedswitchingfrequencyto allowfor the use of small TPS61061 Powersup to 4 LEDsexternalcomponentsandto simplifypossibleEMI TPS61062 Powersup to 5 (14 V, 18 V, and 23 PWMB rightnessControlon EnableV)

2 To allowinexpensiveand small-outputcapacitors DigitalBrightnessControlon ILED with LEDcurrentis initially 1-MHzFixedSwitchingFrequencyset withthe externalsenseresistorRs, andthe 400-mAInternalPowerMOSFETS witchfeedbackvoltageis regulatedto 500 mV or 250 mV,dependingon the configurationof the ILEDpin. LEDsDisconnectedDuringShutdownDigitalbri ghtnesscontrolis implementedby applying OperatesWithSmall-OutputCapacitorsa simpledigitalsignalto the ILEDpin. Alternatively,aDownto 220 nFPWM signalup to 1 kHz can be appliedto the enable Up to 80%Efficiencypin to controlthe brightnessof the ,the outputis disconnectedfromthe input 8-PinNanoFree Package(Chipscale,CSP)to avoidleakagecurrentthroughthe LEDs.

3 3-mm 3-mmQFNP ackageDeviceInformation(1)2 ApplicationsPARTNUMBERPACKAGEBODYSIZE(NO M) WhiteLEDD riversTPS61060,VSON(8) , CellularPhonesDSBGA(8) PDAs,PocketPCs,and SmartPhones(1) For all availablepackages,see the orderableaddendumat DigitalStill Camerasthe end of the datasheet. HandheldDevicesTypicalApplication1An IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand ,TPS61061,TPS61062 SLVS538B NOVEMBER2004 Contents1 Applicationand Pin Configurationand Deviceand Mechanical,Packaging,and RevisionHistoryChangesfromRevisionA (April2005)

4 To RevisionBPage AddedPin Configurationand Functionssection,ESDR atingtable,FeatureDescriptionsection,Dev iceFunctionalModes,Applicationand Implementationsection,PowerSupplyRecomme ndationssection,Layoutsection,Deviceand DocumentationSupportsection,andMechanica l,Packaging,and 2004 2014,TexasInstrumentsIncorporatedProduct FolderLinks:TPS61060 TPS61061 TPS61062 GNDENILEDFBVinOUTSWPGND12345678 ExposedThermalDiePadABC123 Pin A1 IndexA1A2A3B1B3C1C2C3 GNDENILEDVINFBOUTSWPGND1,50 mm8-BALLWAFER CHIP SCALEYZF PACKAGETPS6106x DIMENSIONS(TOP VIEW OF PCB)1,424 mm1,50 mm1,424 mm8-BALLNanoFree PACKAGE(TOP VIEW OF PCB)TPS61060,TPS61061, NOVEMBER2004 REVISEDDECEMBER20145 DeviceComparisonTableOVERVOLTAGEPACKAGEP ACKAGEMARKINGTAPROTECTIONNanoFree(1)QFN( 2)NanoFreeQFN(OVP)14 V (min)TPS61060 YZFTPS61060 DRBAKXAQP 40 to 85 C18 V (min) (min)

5 TPS61062 YZFTPS61062 DRBAKZAQR(1)The YZF packageis availablein tapeand R suffix(TPS61060 YZFR)to orderquantitiesof 3000partsper reel or add T suffix(TPS61060 YZFT)to order250 partsper reel.(2)The DRBpackageis availablein tapeand R suffix(TPS61060 DRBR)to orderquantitiesof 3000partsper Pin Configurationand Functions8-Pin3x3-mmQFNP ackageTop ViewPin of the deviceEnablepin. This pin needsto be pulledhigh to enablethe allowbrightnesscontrolofENA22 Ithe LEDs,a PWMsignalup to 1 kHz can be pin has an is the feedbackpin of the feedbackpin regulatesthe LEDcurrentthroughthesenseresistorby regulatingthe voltageacrossRs.

6 The feedbackvoltageis set by the the feedbackvoltageto 500 mV. ILED=highsets the feedbackvoltageto 250mV. Referto digitalbrightnesscontrolsectionfor the deviceCopyright 2004 2014,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback3 ProductFolderLinks:TPS61060 TPS61061 TPS61062 TPS61060,TPS61061,TPS61062 SLVS538B NOVEMBER2004 Functions(continued) of the pin is grounded,the pin is connectedto high,thenthe feedbackvoltageis reducedto typicallyILEDA33I250 mV and the digitalbrightnesscontrolis PowerPAD (exposedthermaldiepad)is only availableon the PowerPAD needsto be connectedand solderedto analogground(GND).

7 7 (1)overoperatingfree-airtemperaturerange (unlessotherwisenoted)MINMAXUNITVIN(2)Su pplyvoltageson pin , ILED,Voltageson pins (2)OUT(2)Voltageon pin33 VSW(2)Voltageon pin33 VOperatingjunctiontemperature 40150 CLeadtemperature(soldering,10 s)260 CTstgStoragetemperature 55150 C(1)StressesbeyondthoselistedunderAbsolu teMaximumRatingsmay causepermanentdamageto the stressratingsonly,and functionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditionsis not absolute-maximum-ratedconditionsfor extendedperiodsmay affectdevicereliability.

8 (2)All voltagevaluesare with respectto (HBM),per ANSI/ESDA/JEDECJS-001(1) 4000V(ESD)ElectrostaticdischargeVCharged -devicemodel(CDM),per JEDEC specificationJESD22- 750C101(2)(1)JEDEC documentJEP155statesthat 500-VHBM allowssafe manufacturingwith a standardESDcontrolprocess.(2)JEDEC documentJEP157statesthat 250-VCDM allowssafe manufacturingwith a (1)22 HCII nputcapacitor(1)1 FCOO utputcapacitor(1) FTAO peratingambienttemperature-4085 CTJO peratingjunctiontemperature-40125 C(1)Referto applicationsectionfor 2004 2014,TexasInstrumentsIncorporatedProduct FolderLinks.

9 TPS61060 TPS61061 TPS61062 TPS61060,TPS61061, NOVEMBER2004 (1)DRBYZFUNIT8 PINSR JC(top)Junction-to-case(top) C/W JC(bot)Junction-to-case(bottom) (1)For moreinformationabouttraditionaland new thermalmetrics,see theIC PackageThermalMetricsapplicationreport, V, EN = VIN, TA= 40 C to 85 C, typicalvaluesare at TA= 25 C (unlessotherwisenoted) VinDevicenot switching1mAISDS hutdowncurrentEN = GND110 V to 6 V to 6 tshtdnEnable-to-shutdowndelay(1)EN = high to low50mstPWMLPWMlow-levelsignaltime(1)PWM signalappliedto EN25msVILEDILED high-levelvoltageVIN= V to 6 V to 6 GNDor ADAC resolution5 stepILED= high to low175 stdownDecreasefeedbackvoltageone stepILED= high to low180300 stdelayDelaytime betweenup/downstepsILED= low to stoffDigitalprogrammingoff, VFB= 500 mVILED= high to low720 sFEEDBACKFBIFBF eedbackinputbias currentVFB= 500 AVFBF eedbackregulationvoltageILED= GND,afterstart-up485500515mVVFBF eedbackregulationvoltageILED= High.

10 Afterstart-up240250260mVPOWERSWITCHSYNCH RONOUSRECTIFIERANDCURRENTLIMIT(SW)rDS(ON )P-channelMOSFETon-resistanceVO= 10 V, Isw = 10 N-channelMOSFETon-resistanceVIN= VGS= V, Isw = 100 RDS(ON)N-channelMOSFETon-resistanceVIN= VGS= V, Isw = 100 IswleakSwitchleakagecurrent(2)VIN= VSW= 6 V, VOUT= GND, AEN = GNDISWN-ChannelMOSFET currentlimitVO= 10 V325400475mA(1)A PWMlow signalappliedto EN for a time ( 25 ms) couldcausea periodof 50 ms the devicedefinitelyentersshutdownmode.(2)Th e switchleakagecurrentincludesthe leakagecurrentof bothinternalswitches,whichis the leakagecurrentfromSW to ground,andfromSW to VOUT, with VIN= 2004 2014,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback5 ProductFolderLinks:TPS61060 TPS61061 TPS61062 TPS61060,TPS61061,TPS61062 SLVS538B NOVEMBER2004 (continued)Vin= V, EN = VIN, TA= 40 C to 85 C, typicalvaluesare at TA= 25 C (unlessotherwisenoted).