电源模块TPS767D318.pdf

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1、TPS767D301,TPS767D318,TPS767D325DUAL-OUTPUTLOW-DROPOUTVOLTAGEREGULATORSSLVS209B–JULY1999–REVISEDAPRIL2000DDualOutputVoltagesforSplit-SupplyPWPPACKAGEApplications(TOPVIEW)DOutputCurrentRangeof0mAto1.0APerNC1281RESETRegulatorNC227NCD3.3-V/2.5-V,3.3-V/1.8-V,and3.3-V/Adjustable1GND326NCOutpu

2、t1EN4251FB/NCDFast-TransientResponse1IN5241OUT1IN6231OUTD2%ToleranceOverLoadandTemperatureNC7222RESETDDropoutVoltageTypically350mVat1ANC821NCDUltraLow85mATypicalQuiescentCurrent2GND920NC2EN1019NCD1mAQuiescentCurrentDuringShutdown2IN11182OUTDDualOpenDrainPower-OnResetWith2IN12172OUT200-ms

3、DelayforEachRegulatorNC1316NCD28-PinPowerPADäTSSOPPackageNC1415NCDThermalShutdownProtectionforEachRegulatorNC–NointernalconnectiondescriptionTheTPS767D3xxfamilyofdualvoltageregulatorsoffersfasttransientresponse,lowdropoutvoltagesanddualoutputsinacompactpackageandincorporatingstabilitywit

4、h10-mFlowESRoutputcapacitors.DROPOUTVOLTAGEvsLOADTRANSIENTRESPONSEFREE-AIRTEMPERATURE100103VO=3.3V50CL=100mFIO=1ATA=25°C1020–ChangeinOVD–50OutputVoltage–mV101–100IO=10mA1100–DropoutVoltage–mV0.5DOV10–10VO=3.3VIO=0OCO=10mFI–OutputCurrent–A10–2020406080100120140160180200–60–40–200204060801

5、00120140t–Time–msTA–Free-AirTemperature–°CPleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.PowerPADisatrademarkofTexasInstrumentsIncorporated.PR

6、ODUCTIONDATAinformationiscurrentasofpublicationdate.Copyrightã2000,TexasInstrumentsIncorporatedProductsconformtospecificationsperthetermsofTexasInstrumentsstandardwarranty.Productionprocessingdoesnotnecessarilyincludetestingofallparameters.POSTOFFICEBOX655303·DALLAS,TEXAS752651TPS767D301

7、,TPS767D318,TPS767D325DUAL-OUTPUTLOW-DROPOUTVOLTAGEREGULATORSSLVS209B–JULY1999–REVISEDAPRIL2000description(continued)TheTPS767D3xxfamilyofdualvoltageregulatorsisdesignedprimarilyforDSPapplications.Thesedevicescanbeusedinanymixed-outputvoltageapplication,witheachregulators