电子物料规格书

1LT1761Series1761sfc100mA,LowNoise,LDOMicropowerRegulatorsinSOT-23■LowNoise:20μVRMS(10Hzto100kHz)■LowQuiescentCurrent:20μA■WideInputVoltageRange:1.8Vto20V■OutputCurrent:100mA■VeryLowShutdownCurrent:0.1μA■LowDropoutVoltage:300mVat100mA■FixedOutputVoltages:1.2V,1.5V,1.8V,2V,2.5V,2.8V,3V,3.3V,5V■AdjustableOutputfrom1.22Vto20V■Stablewith1μFOutputCapacitor■StablewithAluminum,TantalumorCeramicCapacitors■ReverseBatteryProtected■NoReverseCurrent■NoProtectionDiodesNeeded■OvercurrentandOvertemperatureProtected■AvailableinTiny5-LeadSOT-23PackageTheLT®1761seriesaremicropower,lownoise,lowdropoutregulators.Withanexternal0.01μFbypasscapacitor,outputnoisedropsto20μVRMSovera10Hzto100kHzbandwidth.Designedforuseinbattery-poweredsystems,thelow20μAquiescentcurrentmakesthemanidealchoice.Inshutdown,quiescentcurrentdropstolessthan0.1μA.Thedevicesarecapableofoperatingoveraninputvoltagefrom1.8Vto20V,andcansupply100mAofoutputcurrentwithadropoutvoltageof300mV.Quies-centcurrentiswellcontrolled,notrisingindropoutasitdoeswithmanyotherregulators.TheLT1761regulatorsarestablewithoutputcapacitorsaslowas1μF.Smallceramiccapacitorscanbeusedwithouttheseriesresistancerequiredbyotherregulators.Internalprotectioncircuitryincludesreversebatterypro-tection,currentlimiting,thermallimitingandreversecurrentprotection.Thedeviceisavailableinfixedoutputvoltagesof1.2V,1.5V,1.8V,2V,2.5V,2.8V,3V,3.3Vand5V,andasanadjustabledevicewitha1.22Vreferencevoltage.TheLT1761regulatorsareavailableinthe5-leadSOT-23package.10Hzto100kHzOutputNoise5VLowNoiseRegulator■CellularPhones■Pagers■Battery-PoweredSystems■FrequencySynthesizers■WirelessModemsINSHDN0.01μF10μF1761TA01OUTVIN5.4VTO20VBYPGNDLT1761-55VAT100mA20μVRMSNOISE1μF+VOUT100μV/DIV20μVRMS1761G48FEATURESDESCRIPTIOUAPPLICATIOSUTYPICALAPPLICATIOU,LT,LTCandLTMareregisteredtrademarksofLinearTechnologyCorporation.Allothertrademarksarethepropertyoftheirrespectiveowners.2LT1761Series1761sfc(Note1)INPinVoltage........................................................±20VOUTPinVoltage....................................................±20VInputtoOutputDifferentialVoltage.......................±20VADJPinVoltage......................................................±7VBYPPinVoltage....................................................±0.6VSHDNPinVoltage.................................................±20VLT1761ES5-BYPORDERPARTNUMBERTJMAX=150°C,θJA=250°C/WSEETHEAPPLICATIONSINFORMATIONSECTION.5OUT4ADJIN1GND2TOPVIEWS5PACKAGE5-LEADPLASTICSOT-23SHDN35OUT4ADJIN1GND2TOPVIEWS5PACKAGE5-LEADPLASTICSOT-23BYP35OUT4BYPIN1GND2TOPVIEWS5PACKAGE5-LEADPLASTICSOT-23SHDN3OutputShort-CircuitDuration.........................IndefiniteOperatingJunctionTemperatureRangeEGrade(Note2)...............................–40°Cto125°CMPGrade(Note2)...........................–55°Cto125°CStorageTemperatureRange.................–65°Cto150°CLeadTemperature(Soldering,10sec)..................300°CS5PARTMARKING5OUT4ADJIN1GND2TOPVIEWS5PACKAGE5-LEADPLASTICSOT-23BYP3TJMAX=150°C,θJA=250°C/WSEETHEAPPLICATIONSINFORMATIONSECTION.LT1761ES5-SDORDERPARTNUMBERS5PARTMARKINGLTGCLTGHLT1761ES5-1.2LT1761ES5-1.5LT1761ES5-1.8LT1761MPS5-1.8LT1761ES5-2LT1761ES5-2.5LT1761ES5-2.8LT1761ES5-3LT1761ES5-3.3LT1761ES5-5ORDERPARTNUMBERS5PARTMARKINGLTCDSLTMTLTJMLTDCHLTJELTGDLTLBLTGELTGFLTGGTJMAX=150°C,θJA=250°C/WSEETHEAPPLICATIONSINFORMATIONSECTION.ABSOLUTEAXIURATIGSWWWUPACKAGE/ORDERIFORATIOUUWConsultLTCMarketingforpartsspecifiedwithwideroperatingtemperatureranges.OrderOptionsTapeandReel:Add#TRLeadFree:Add#PBFLeadFreeTapeandReel:Add#TRPBFLeadFreePartMarking:●denotesspecificationswhichapplyoverthefulloperatingtemperaturerange,otherwisespecificationsareTA=25°C.(Note2)PARAMETERCONDITIONSMINTYPMAXUNITSMinimumInputVoltage(Notes3,11)ILOAD=100mA●1.82.3VRegulatedOutputVoltageLT1761-1.2VIN=2V,ILOAD=1mA1.1851.21.215V(Note4)2.3VVIN20V,1mAILOAD50mA●1.1701.21.230V2.3VVIN20V,1mAILOAD100mA●1.1501.21.240VLT1761-1.5VIN=2V,ILOAD=1mA1.4781.51.522V2.5VVIN20V,1mAILOAD50mA●1.4571.51.538V2.5VVIN20V,1mAILOAD50mA●1.4361.51.555VLT1761-1.8VIN=2.3V,ILOAD=1mA1.7751.81.825V2.8VVIN20V,1mAILOAD50mA●1.7501.81.845V2.8VVIN20V,1mAILOAD100mA●1.7251.81.860VLT1761-2VIN=2.5V,ILOAD=1mA1.97022.030V3VVIN20V,1mAILOAD50mA●1.94522.045V3VVIN20V,1mAILOAD100mA●1.92022.060VLT1761-2.5VIN=3V,ILOAD=1mA2.4652.52.535V3.5VVIN20V,1mAILOAD50mA●2.4352.52.565V3.5VVIN20V,1mAILOAD100mA●2.4152.52.575VLT1761-2.8VIN=3.3V,ILOAD=1mA2.7622.82.838V3.8VVIN20V,1mAILOAD50mA●2.7322.82.868V3.8VVIN20V,1mAILOAD100mA●2.7062.82.884VLT1761-3VIN=3.5V,ILOAD=1mA2.96033.040V4VVIN20V,1mAILOAD50mA●2.93033.070V4VVIN20V,1mAILOAD100mA●2.90033.090VLT1761-3.3VIN=3.8V,ILOAD=1mA3.2503.33.350V4.3VVIN20V,1mAILOAD50mA●3.2303.33.370V4.3VVIN20V,1mAILOAD100mA●3.1903.33.400VLT1761-5VIN=5.5V,ILOAD=1mA4.93555.065V6VVIN20V,1mAILOAD50mA●4.90055.100V6VVIN20V,1mAILOAD100mA●4.85055.120VADJPinVoltageLT1761VIN=2V,ILOAD=1mA1.2051.2201.235V(Note3,4)2.3VVIN20V,1mAILOAD50mA●1.1901.2201.25