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