TPS75225-Q1中文资料

TPS75201-Q1,TPS75215-Q1,TPS75218-Q1,TPS75225-Q1,TPS75233-Q1WITHRESETTPS75401-Q1,’75415-Q1,’75418-Q1,’75425-Q1,’75433-Q1WITHPOWERGOODFAST-TRANSIENT-RESPONSE2-ALOW-DROPOUTVOLTAGEREGULATORSSGLS166–APRIL20031POSTOFFICEBOX655303•DALLAS,TEXAS75265
QualificationinAccordanceWithAEC-Q100†
QualifiedforAutomotiveApplications
Customer-SpecificConfigurationControlCanBeSupportedAlongWithMajor-ChangeApproval
ESDProtectionExceeds2000VPerMIL-STD-883,Method3015;Exceeds200VUsingMachineModel(C=200pF,R=0)
2-ALow-DropoutVoltageRegulator
Availablein1.5-V,1.8-V,2.5-V,3.3-VFixedOutputandAdjustableVersions
OpenDrainPower-OnResetWith100-msDelay(TPS752xx)
OpenDrainPower-Good(PG)StatusOutput(TPS754xx)
DropoutVoltageTypically210mVat2A(TPS75233)
Ultralow75-µATypicalQuiescentCurrent†Contactfactoryfordetails.Q100qualificationdataavailableonrequest.
FastTransientResponse
2%ToleranceOverSpecifiedConditionsforFixed-OutputVersions
20-PinTSSOP(PWP)PowerPADPackage
ThermalShutdownProtectiondescriptionTheTPS752xxandTPS754xxarelowdropoutregulatorswithintegratedpower-onresetandpowergood(PG)functionsrespectively.Thesedevicesarecapableofsupplying2Aofoutputcurrentwithadropoutof210mV(TPS75233,TPS75433).Quiescentcurrentis75µAatfullloadanddropsdownto1µAwhenthedeviceisdisabled.TPS752xxandTPS754xxaredesignedtohavefasttransientresponseforlargerloadcurrentchanges.BecausethePMOSdevicebehavesasalow-valueresistor,thedropoutvoltageisverylow(typically210mVatanoutputcurrentof2AfortheTPS75x33)andisdirectlyproportionaltotheoutputcurrent.Additionally,sincethePMOSpasselementisavoltage-drivendevice,thequiescentcurrentisverylowandindependentofoutputloading(typically75µAoverthefullrangeofoutputcurrent,1mAto2A).Thesetwokeyspecificationsyieldasignificantimprovementinoperatinglifeforbattery-poweredsystems.ThedeviceisenabledwhentheENpinisconnectedtoalow-levelinputvoltage.ThisLDOfamilyalsofeaturesasleepmode;applyingaTTLhighsignaltoEN(enable)shutsdowntheregulator,reducingthequiescentcurrentto1µAatTJ=25°C.TheRESET(SVS,POR,orpoweronreset)outputoftheTPS752xxinitiatesaresetinmicrocomputerandmicroprocessorsystemsintheeventofanundervoltagecondition.AninternalcomparatorintheTPS752xxmonitorstheoutputvoltageoftheregulatortodetectanundervoltageconditionontheregulatedoutputvoltage.Whentheoutputreaches95%ofitsregulatedvoltage,RESETgoestoahigh-impedancestateaftera100-msdelay.RESETgoestoalogic-lowstatewhentheregulatedoutputvoltageispulledbelow95%(i.e.,overloadcondition)ofitsregulatedvoltage.Copyright2003,TexasInstrumentsIncorporatedPRODUCTIONDATAinformationiscurrentasofpublicationdate.ProductsconformtospecificationsperthetermsofTexasInstrumentsstandardwarranty.Productionprocessingdoesnotnecessarilyincludetestingofallparameters.PowerPADisatrademarkofTexasInstruments.Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.1234567891020191817161514131211PWPPACKAGE(TOPVIEW)GND/HEATSINKNCININENRESETorPG‡FB/SENSEOUTPUTOUTPUTGND/HEATSINKGND/HEATSINKNCNCGNDNCNCNCNCNCGND/HEATSINKNC–Nointernalconnection‡PGisontheTPS754xxandRESETisontheTPS752xxTPS75201-Q1,TPS75215-Q1,TPS75218-Q1,TPS75225-Q1,TPS75233-Q1WITHRESETTPS75401-Q1,’75415-Q1,’75418-Q1,’75425-Q1,’75433-Q1WITHPOWERGOODFAST-TRANSIENT-RESPONSE2-ALOW-DROPOUTVOLTAGEREGULATORSSGLS166–APRIL20032POSTOFFICEBOX655303•DALLAS,TEXAS75265TJ–JunctionTemperature–°C–401011060–DropoutVoltage–mVVDOTPS75x33DROPOUTVOLTAGEvsJUNCTIONTEMPERATURE300160250200150100500IO=0.5AIO=1.5AIO=2At–Time–msTPS75x33LOADTRANSIENTRESPONSEI–OutputCurrent–AOVO–Changein∆OutputVoltage–mV–1503214576891000050–50IL=2ACL=100µF(Tantalum)VO=3.3V–10021description(continued)TheTPS754xxhasapowergoodterminal(PG)asanactivehigh,opendrainoutput,whichcanbeusedtoimplementapower-onresetoralow-batteryindicator.TheTPS752xxortheTPS754xxareofferedin1.5-V,1.8-V,2.5-V,and3.3-Vfixed-voltageversionsandinanadjustableversion(programmableovertherangeof1.5Vto5V).Outputvoltagetoleranceisspecifiedasamaximumof2%overline,load,andtemperatureranges.TheTPS752xxandtheTPS754xxfamiliesareavailablein20pinTSSOP(PWP)packages.AVAILABLEOPTIONS/ORDERINGINFORMATION†TJOUTPUTVOLTAGETSSOP(PWP)TJOUTPUTVOLTAGE(TYP)RESETPG3.3VTPS75233QPWPQ1TPS75433QPWPQ1‡2.5VTPS75225QPWPQ1TPS75425QPWPQ1‡–40°Cto125°C1.8VTPS75218QPWPQ1TPS75418QPWPQ1‡40Cto125C1.5VTPS75215QPWPQ1TPS75415QPWPQ1‡Adjustable1.5Vto5VTPS75201QPWPQ1TPS75401QPWPQ1‡†TheTPS75x01isprogrammableusinganexternalresistordivider(seeapplicationinformation).ThePWPpackageisavailabletapedandreeled.AddanRsuffixtothedevicetype(e.g.,TPS75201QPWPRQ1)toindicatetapeandreel.‡ProductpreviewTPS75201-Q1,TPS75215-Q1,TPS75218-Q1,TPS75225-Q1,TPS75233-Q1WITHRESETTPS75401-Q1,’75415-Q1,’75418-Q1,’75425-Q1,’75433-Q1WITHPOWERGOODFAST-TRANSIENT-RESPONSE2-ALOW-DROPOUTVOLTAGEREGULATORSSGLS166–APRIL20033POSTOFFICEBOX655303•DALLAS,TEXAS75265†Seeapplicationinformationsectionforcapacitorselectiondetails.PGorRESETOUTOUT435ININENGND17689VI0.22µFPGorRESETOutputVO47µF+CO†SENSE7Figure1.Typica