TPS71247中文资料

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Actual Size(5,0 mm x 6,4 mm)Actual Size

(4,15 mm x 4,15 mm)www.ti.com

OFFONOFFON

OFFON

VBATLBI

SKIPENENLDOENSWNVOUTFBPGOODLBOLDOINLDOOUTLDOSENSEGNDPGNDControlInputsControlOutputsVOut1VOut2

TPS61130SWP22 mH22 mH

100 mFe.g. 3.3 V up to 300 mA

2.2 mFe.g. 1.5 V up to 300 mA10 mF1.8 V up to 6 VInput

10 mF

TPS61130TPS61131TPS61132

SLVS431A–JUNE2002–REVISEDAUGUST2003SYNCHRONOUSSEPIC/FLYBACKCONVERTERWITH1.1ASWITCHANDINTEGRATEDLDO

FEATURESDESCRIPTION•Synchronous,UpTo90%Efficient,SEPICTheTPS6113xdevicesprovideacompletepower

ConverterWith300-mAOutputCurrentFromsupplysolutionforproductspoweredbyeithera

one-cellLi-IonorLi-Polymeroratwouptofour-cell2.5-VInput

Alkaline,NiCdorNiMHbatteries.Thedevicecangen-•Integrated200-mAReverseVoltageProtected

eratetworegulatedoutputvoltagesthatareeitherLDOforDC/DCOutputVoltagePostRegu-adjustedbyanexternalresistordividerorfixed

lationorSecondOutputVoltageinternallyonthechip.Italsoprovidesasimpleand

•DualInputorDualOutputModeefficientbuck-boostsolutionforgenerating3.3Voutof

aone-cellLi-IonorLi-Polymerbatteryatamaximum•Availableina16pinQFN4x4orina

outputcurrentofatleast300mAwithsupplyvoltagesTSSOP-16Package

downto1.8V.TheimplementedSEPICconverteris

•40-µA(Typical)TotalDeviceQuiescentCur-basedonafixedfrequency,pulse-width-modulation

rent(PWM)controllerusingasynchronousrectifiertoob-

tainmaximumefficiency.Themaximumpeakcurrentin•InputVoltageRange:1.8-Vto5.5-V

theSEPICswitchislimitedtoavalueof1600mA.•AdjustableOutputVoltageupto5.5-V,Fixed

TheconvertercanbedisabledtominimizebatteryOutputVoltageOptions

drain.Duringshutdown,theloadiscompletelydiscon-•PowerSaveModeforImprovedEfficiencyatnectedfromthebattery.Alow-EMImodeisim-

LowOutputPowerplementedtoreduceringingandineffectlowerradi-

•HighEfficientLi-Ionto3.3-VConversionatedelectromagneticenergywhentheconverterenters

thediscontinuousconductionmode.Apowergood•LowBatteryComparator

outputattheSEPICstageprovidesadditionalcontrolof•PowerGoodOutputanyconnectedcircuitslikecascadedpowersupply

stagesormicroprocessors.•LowEMI-Converter(IntegratedAntiringing

Switch)Thebuilt-inLDOcanbeusedforasecondoutput

•LoadDisconnectDuringShutdownvoltagederivedeitherfromtheSEPICoutputordirectly

fromthebattery.TheoutputvoltageofthisLDOcanbe•OvertemperatureProtection

programmedbyanexternalresistordividerorisfixed

internallyonthechip.TheLDOcanbeenabledsepar-APPLICATIONS

atelyi.e.,usingthepowergoodoftheSEPICstage.

•AllSingleCellLi,DualorTripleCellBatteryorThedeviceispackagedina16-pinQFN4x4mmUSBPoweredProductsasMP-3Player,PDAs,(16RSA)orina16-pinTSSOP(16PW)package.andOtherPortableEquipment

Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.

PRODUCTIONDATAinformationiscurrentasofpublicationdate.Copyright©2002–2003,TexasInstrumentsIncorporatedProductsconformtospecificationsperthetermsofTexasInstrumentsstandardwarranty.Productionprocessingdoesnotnecessarilyin-cludetestingofallparameters.

元器件交易网www.cecb2b.comwww.ti.comTPS61130TPS61131TPS61132

SLVS431A–JUNE2002–REVISEDAUGUST2003AVAILABLEOUTPUTVOLTAGEOPTIONS(1)

OUTPUTVOLTAGEOUTPUTVOLTAGETAPACKAGEPARTNUMBER(2)

DC/DCLDO

AdjustableAdjustable16-PinTSSOPTPS61130PW3.3V3.3V16-PinTSSOPTPS61131PW40°Cto85°C3.3V1.5V16-PinTSSOPTPS61132PWAdjustableAdjustable16-PinQFN4x4mmTPS61130RSA3.3V1.5V16-PinQFN4x4mmTPS61132RSA

(1)Contactthefactorytocheckavailabilityofotherfixedoutputvoltageversions.

(2)Thepackagesareavailabletapedandreeled.AddRsuffixtodevicetype(e.g.,TPS61130PWRorTPS61130RSAR)toorder

quantitiesof2000devicesperreelfortheTSSOP(PW)packageand3000devicesperreelfortheQFN(RSA)package.

ABSOLUTEMAXIMUMRATINGSoveroperatingfree-airtemperaturerange(unlessotherwisenoted)(1)

TPS61130TPS61131TPS61132

InputvoltagerangeonFB-0.3Vto3.6VInputvoltagerangeonSWN-0.3Vto12VInputvoltagerangeonSWP-7.0Vto7.0VMaximumvoltagebetweenSWPandVOUT-12VInputvoltagerangeonSWN,VOUT,LDOIN,LDOOUT,LDOEN,LDOSENSE,PGOOD,LBO,VBAT,LBI,-0.3Vto7VSKIPEN,EN

OperatingfreeairtemperaturerangeTA-40°Cto85°CMaximumjunctiontemperatureTJ150°CStoragetemperaturerangeTstg-65°Cto150°C(1)Stressesbeyondthoselistedunder"absolutemaximumratings"maycausepermanentdamagetothedevice.Thesearestressratings

only,andfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunder"recommendedoperatingconditions"isnotimplied.Exposuretoabsolute-maximum-ratedconditionsforextendedperiodsmayaffectdevicereliability.

RECOMMENDEDOPERATINGCONDITIONSMINNOMMAXUNITSupplyvoltageatVBAT,VI1.86.5VDC/DC—inductance,L1022µHDC/DC—inputcapacitance,Ci10µFDC/DC—outputcapacitance,Co22100µFLDO—inputcapacitance,Ci1µFLDO—outputcapacitance,Co12.2µFOperatingvirtualjunctiontemperature,TJ-40125°C