TPS5410D-TPS5410DRG4-TPS5410DR-TPS5410DR-TPS5410DR

VINNCNCENAGNDVSENSEBOOTPHTPS5410VINVOUT758085909510000.20.40.611.21.4Efficiency−%IOutputCurrentAO--EfficiencyvsOutputCurrentSimplifiedSchematicVI=20VV=12Vf=500kHzT=25COsAo0.8TPS5410–AUGUST2006–REVISEDNOVEMBER20061-A,WIDEINPUTRANGE,STEP-DOWNSWIFT™CONVERTERCheckforSamples:TPS54101FEATURESAPPLICATIONS•Consumer:Set-topBox,DVD,LCDDisplays2•WideInputVoltageRange:5.5Vto36V•IndustrialandCarAudioPowerSupplies•Upto1-AContinuous(1.2-APeak)Output•BatteryChargers,HighPowerLEDSupplyCurrent•12-V/24-VDistributedPowerSystems•HighEfficiencyupto95%Enabledby110-mΩIntegratedMOSFETSwitchDESCRIPTION•WideOutputVoltageRange:AdjustableDownto1.22Vwith1.5%InitialAccuracyAsamemberoftheSWIFT™familyofDC/DCregulators,theTPS5410isahigh-output-current•InternalCompensationMinimizesExternalPWMconverterthatintegratesalowresistancehighPartsCountsideN-channelMOSFET.Includedonthesubstrate•Fixed500-kHzSwitchingFrequencyforSmallwiththelistedfeaturesisahighperformancevoltageFilterSizeerroramplifierthatprovidestightvoltageregulationaccuracyundertransientconditions;an•ImprovedLineRegulationandTransientundervoltage-lockoutcircuittopreventstart-upuntilResponsebyInputVoltageFeedForwardtheinputvoltagereaches5.5V;aninternallyset•SystemProtectedbyOverCurrentLimiting,slow-startcircuittolimitinrushcurrents;andavoltageOverVoltageProtectionandThermalfeed-forwardcircuittoimprovethetransientShutdownresponse.UsingtheENApin,shutdownsupply•–40°Cto125°COperatingJunctioncurrentisreducedto18mAtypically.OtherfeaturesTemperatureRangeincludeanactivehighenable,overcurrentlimiting,overvoltageprotectionandthermalshutdown.To•AvailableinSmall8-PinSOICPackagereducedesigncomplexityandexternalcomponent•ForSWIFTDocumentation,ApplicationNotescount,theTPS5410feedbackloopisinternallyandDesignSoftware,SeetheTIWebsiteatcompensated.©2006,TexasInstrumentsIncorporatedProductsconformtospecificationsperthetermsoftheTexasInstrumentsstandardwarranty.Productionprocessingdoesnotnecessarilyincludetestingofallparameters.芯天下--–AUGUST2006–REVISEDNOVEMBER2006(1)PARTNUMBER–40°Cto125°C5.5Vto36VAdjustableto1.22VSOIC(D)(2)TPS5410D(1)Forthemostcurrentpackageandorderinginformation,seethePackageOptionAddendumattheendofthisdocument,orseetheTIwebsiteat(2)TheDpackageisalsoavailabletapedandreeled.AddanRsuffixtothedevicetype(i.e.,TPS5410DR).ABSOLUTEMAXIMUMRATINGSoveroperatingfree-airtemperaturerange(unlessotherwisenoted)(1)(2)VALUEUNITVIN–0.3to40(3)BOOT–0.3to50PH(steady-state)–0.6to40(3)VIInputvoltagerangeEN–0.3to7VVSENSE–0.3to3BOOT-PH10PH(transient10ns)–1.2IOSourcecurrentPHInternallyLimitedIlkgLeakagecurrentPH10mATJOperatingvirtualjunctiontemperaturerange–40to150°CTstgStoragetemperature–65to150°C(1)Stressesbeyondthoselistedunderabsolutemaximumratingsmaycausepermanentdamagetothedevice.Thesearestressratingsonlyandfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunderrecommendedoperatingconditionsisnotimplied.Exposuretoabsolute-maximum-ratedconditionsforextendedperiodsmayaffectdevicereliability.(2)Allvoltagevaluesarewithrespecttonetworkgroundterminal.(3)ApproachingtheabsolutemaximumratingfortheVINpinmaycausethevoltageonthePHpintoexceedtheabsolutemaximumrating.DISSIPATIONRATINGS(1)(2)THERMALIMPEDANCEPACKAGEJUNCTION-TO-AMBIENT8PinD(3)75°C/W(1)Maximumpowerdissipationmaybelimitedbyovercurrentprotection.(2)PowerratingataspecificambienttemperatureTAshouldbedeterminedwithajunctiontemperatureof125°C.Thisisthepointwheredistortionstartstosubstantiallyincrease.ThermalmanagementofthefinalPCBshouldstrivetokeepthejunctiontemperatureatorbelow125°Cforbestperformanceandlong-termreliability.SeeThermalCalculationsinapplicationssectionofthisdatasheetformoreinformation.(3)Testboardconditions:(a)3inx3in,2layers,thickness:0.062inch.(b)2oz.coppertraceslocatedonthetopandbottomofthePCB.RECOMMENDEDOPERATINGCONDITIONSMINNOMMAXUNITVIInputvoltagerange,VIN5.536VTJOperatingjunctiontemperature–40125°C2SubmitDocumentationFeedbackCopyright©2006,TexasInstrumentsIncorporatedProductFolderLink(s):TPS5410芯天下--–AUGUST2006–REVISEDNOVEMBER2006ELECTRICALCHARACTERISTICSTJ=–40°Cto125°C,VIN=5.5Vto36V(unlessotherwisenoted)PARAMETERTESTCONDITIONSMINTYPMAXUNITSUPPLYVOLTAGE(VINPIN)VSENSE=2V,Notswitchi