LD39015XX10中文资料

April2008Rev21/1616LD39015XX08-LD39015XX10LD39015XX12-LD39015XX33150mAlowquiescentcurrentlownoisevoltageregulatorFeatures■Inputvoltagefrom1.5to5.5V■Ultralowdropoutvoltage(80mVtyp.at100mAload)■Verylowquiescentcurrent(18µAtyp.atnoload,35µAtyp.at150mAload,1µAmaxinoffmode)■Verylownoisewithoutbypasscapacitor(29µVRMSatVOUT=0.8V)■Outputvoltagetolerance:±2.0%@25°C■150mAguaranteedoutputcurrent■Widerangeofoutputvoltagesavailableonrequest:0.8Vto3.3Vwith100mVstep■Logic-controlledelectronicshutdown■CompatiblewithceramiccapacitorsCOUT=1µF■Internalcurrentandthermallimit■AvailableinSOT666andSOT23-5Lpackages■Temperaturerange:-40°Cto125°CDescriptionTheLD39015XXseriesprovides150mAmaximumcurrentfromaninputvoltagerangingfrom1.5Vto5.5Vwithatypicaldropoutvoltageof80mV.Itisstablewithceramiccapacitor.Theultra-lowdropvoltage,lowquiescentcurrentandlownoisefeaturesmakeitsuitableforlowpowerbattery-poweredapplications.Powersupplyrejectionis65dBatlowfrequenciesandstartstorolloffat10kHz.EnablelogiccontrolfunctionputstheLD39015XXinshut-downmodeallowingatotalcurrentconsumptionlowerthan1µA.Thedevicealsoincludesshort-circuitconstantcurrentlimitingandthermalprotection.Typicalapplicationsaremobilephones,personaldigitalassistants(PDAs),cordlessphonesorsimilarbattery-poweredsystems.SOT666SOT23-5LTable1.DevicesummaryOrdercodesOutputvoltageSOT666SOT23-5LLD39015XG08RLD39015M08R(1)0.8VLD39015XG10R(1)LD39015M10R1.0VLD39015XG12R(1)LD39015M12R1.2VLD39015XG15R(1)LD39015M15R(1)1.5VLD39015XG18R(1)LD39015M18R(1)1.8VLD39015XG25R(1)LD39015M25R(1)2.5VLD39015XG33RLD39015M33R(1)3.3V1.Availableonrequest.Othervoltagesavailableonrequestfrom0.8Vto3.3Vin100mVstep.(topview)SOT23-5LSOT666Table2.PindescriptionPinn°SymbolFunctionSOT666SOT23-5L13ENEnablepinlogicinput:Low=shutdown,High=active22GNDCommonground.31INInputvoltageoftheLDO45OUTOutputvoltage54NCNotconnected6--NCNotconnectedLD39015XX08-LD39015XX10-LD39015XX12-LD39015XX33Typicalapplication5/163TypicalapplicationFigure3.Typicalapplicationcircuit1µFINENVENVINOUTLoadGND1µFVOUT1µFINENVENVINOUTLoadGND1µFVOUTMaximumratingsLD39015XX08-LD39015XX10-LD39015XX12-LD39015XX336/164MaximumratingsNote:Absolutemaximumratingsarethosevaluesbeyondwhichdamagetothedevicemayoccur.Functionaloperationundertheseconditionsisnotimplied.AllvaluesarereferredtoGND.Table3.AbsolutemaximumratingsSymbolParameterValueUnitVINDCinputvoltage-0.3to7VVOUTDCoutputvoltage-0.3toVI+0.3VVENEnableinputvoltage-0.3toVI+0.3VIOUTOutputcurrentInternallylimitedmAPDPowerdissipationInternallylimitedmWTSTGStoragetemperaturerange-65to150°CTOPOperatingjunctiontemperaturerange-40to125°CTable4.ThermaldataSymbolParameterSOT23-5LSOT666UnitRthJAThermalresistancejunction-ambient255132°C/WRthJCThermalresistancejunction-case8156°C/WLD39015XX08-LD39015XX10-LD39015XX12-LD39015XX33Electricalcharacteristics7/165ElectricalcharacteristicsTable5.Electricalcharacteristics(TJ=25°C,VIN=VOUT(NOM)+1V,CIN=COUT=1µF,IOUT=1mA,VEN=VIN,unlessotherwisespecified)(1)SymbolParameterTestconditionsMin.Typ.Max.UnitVINOperatinginputvoltage1.55.5VVUVLOTurn-onthreshold1.451.48VTurn-offthreshold1.301.35mVVOUTVOUTaccuracyVOUT1.5V,IOUT=1mA,TJ=25°C-2.02.0%VOUT1.5V,IOUT=1mA,-40°CTJ125°C-3.03.0VOUT≤1.5V,IOUT=1mA±10mVVOUT≤1.5V,IOUT=1mA,-40°CTJ125°C±30ΔVOUTStaticlineregulationVOUT+1V≤VIN≤5.5V,IOUT=1mA0.01%/VΔVOUTTransientlineregulation(2)ΔVIN=+500mV,IOUT=1mA,TR=TF=5µs10mVppΔVOUTStaticloadregulationIOUT=1mAto150mA0.002%/mAΔVOUTTransientloadregulation(2)IOUT=1mAto150mA,TR=TF=5µs40mVppVDROPDropoutvoltage(3)IOUT=100mA,VOUT1.5V-40°CTJ125°C80100mVeNOutputnoisevoltage1.1kHzto100kHz,IOUT=10mA,VOUT=0.8V29µVRMSSVRSupplyvoltagerejectionVOUT=1.5VVIN=VOUTNOM+0.5V+/-VRIPPLEVRIPPLE=0.1V,Freq.=1kHzIOUT=10mA65dBVIN=VOUTNOM+0.5V+/-VRIPPLEVRIPPLE=0.1V,Freq.=10kHzIOUT=10mA62IQQuiescentcurrentIOUT=0mA18µAIOUT=0mA,-40°CTJ125°C50IOUT=0to150mA38IOUT=0to150mA-40°CTJ125°C70VINinputcurrentinOFFMODE:VEN=GND0.0011ISCShortcircuitcurrentRL=0350mAVENEnableinputlogiclowVIN=1.5Vto5.5V,-40°CTJ125°C0.4VEnableinputlogichighVIN=1.5Vto5.5V,-40°CTJ125°C0.9VIENEnablepininputcurrentVEN=VIN0.1100nAElectricalcharacteristicsLD39015XX08-LD39015XX10-LD39015XX12-LD39015XX338/16TONTurnontim