CAT808低電壓檢測(cè)芯片

CAT8082009SCILLC.Allrightsreserved.Doc.No.MD-3024Rev.ECharacteristicssubjecttochangewithoutnoticeLow-PowerPrecisionVoltageDetectorFEATURESUltraLowCurrentConsumption2.4AAccurateVoltageDetectionThresholdFineVoltageDetectionThresholdResolutionOpenDrainOutput(ActiveLowIndustrialtemperaturerange-40Cto+85C5-pinTSOT-23and3-pinSOT-89RoHScompliantpackagesAPPLICATIONSBattery-PoweredSystemsPowerSupplyMonitoringHandheldandPortableEquipmentProcessorSupervisorResetDESCRIPTIONTheCAT808isahigh-precisionvoltagedetectordesignedformonitoringsinglecellandmulti-cellbatteries.Voltagedetectionthresholdsbetween2.0Vand3.5Vareprovidedwith0.1Vresolutionand3.0%accuracy.TheCAT808open-drainoutputisactivelowuntiltheVDDvoltageexceedsthedetectionthreshold.Alowhysteresisisbuiltintothedevicetominimizeoutput“chatter”,whileVDDpassesthroughthedetectionthreshold,andtheoutputtransitionshigh.AftertheCAT808assertstheoutputhighcondition,itcontinuestomonitorVDDuntilitdropsbelowthedetectionthreshold,whentheoutputgoeslowuntilVDDonceagainexceedsthedetectionthreshold.ForOrderingInformationdetails,seepage7.PINCONFIGURATIONTYPICALAPPLICATIONSOT-893-LeadThinSOT-235-LeadNote:Thevalueofthepull-upresistorisnotcriticalBatteryGNDOUTVDDNCGNDNCOUTVDDCAT808Doc.No.MD-3024Rev.E2?2009SCILLC.Allrightsreserved.CharacteristicssubjecttochangewithoutnoticeABSOLUTEMAXIMUMRATINGS(1ParametersRatingsUnitsTemperatureunderBias-55to+1250StorageTemperature-65to+150(CVoltageonanyPinwithRespecttoGND(2(3-2.0toVDD+2.0VVDDwithRespecttoGND-2.0to7.0VLeadSolderingtemperature(10seconds+300(CPowerDissipationRECOMMENDEDOPERATINGCONDITIONSParametersRatingsUnitsVDD+1.2to+6.0VOperatingTemperatureRange-40to+85DCELECTRICALCHARACTERISTICSTA=-40oCto+850C,VDD=1.2Vto6.0VConditionsTyp.Max83.28VDETVoltageVVDD=4.0V2.45VDD=5.0V3.57IDDVDD=6.0V510AaDD=1.2V0.61.4-IOUTSinkCurrentVDS=0.5VDD=2.4V2.95-mAILEAKOutputLeakageCurrentVDS=5.0V,VDD=5.0V--1ATPHL/LHTime-ATA“DETDetectionVoltageTemperatureCoefficient(4±0±00ppm/cCNotes:(1Stressesabovethoselistedunder“AbsoluteMaximumRatings"maycausepermanentdamagetothedevice.Thesearestressratingsonlyandfunctionaloperationofthedevicesattheseoranyotherconditionsoutsideofthoselistedintheoperationalsectionsofthisspecificationisnotimplied.Exposuretoanyabsolutemaximumratingforextendedperiodsmayaffectdeviceperformanceandreliability.(2TheMinimumDCinputvoltageis-0.5V.Duringtransitions,inputsmayundershootto-2.0Vforperiodsoflessthan20ns.MaximumDCvoltageonoutputpinsisVCC+0.5V,whichmayovershoottoVCC+2.0Vforperiodsoflessthan20ns.(3Latch-upprotectionisprovidedforstressesupto100mAonallpinsfrom-1VtoVCC+1V.(4Thetemperaturechangeratiointhedetectionvoltage[ppmC]iscalculatedbyusingthefollowingequation:]C/oppm[000,000,1V-TVDETADETX?A-ACAT808?2009SCILLC.Allrightsreserved.3Doc.No.MD-3024Rev.ECharacteristicssubjecttochangewithoutnoticeOPERATION-VOLTAGEDETECTORTheCAT808hasanactivelowoutputthatasserts(pullslowwhenthesupplyvoltagedropsbelowthedetectionthresholdvoltage(VDET.Theopen-drainoutputrequiresanexternalpull-upresistorbetweentheoutputpinandthesupplyvoltage(asshowninthetypicalapplicationdiagram.Onpower-up,OUTisheldactivelowuntilthesupplyvoltage(VDDrisesaboveVDET.WhileVDDisaboveVDET,OUTstayshighuntilVDDdropsbelowVDET,thenOUTonceagaingoeslow.BLOCKDIAGRAMTIMINGDIAGRAM*VoltageofVDDbelow1voltwillnotbeabletomaintainlowoutput.PINFUNCTIONSPinFunctionVDDVoltageInputandPowerSupplyGNDGroundPinOUTActiveLowOpenDrainoutputNCNoConnect,thepiniselectricallyopenOUTCAT808IuuDoc.No.MD-3024Rev.E?2009SCILLC.Allrightsreserved.Characteristicssubjecttochangewithoutnotice0.002.004.006.008.0010.001.001.502.002.50VDD(VIOUT(mATYPICALELECTRICALOPERATINGCHARACTERISTICSTypicalvaluesatTA=25C.0VDDSupplyCurrentvs.VDDSupplyVoltageVDETDetectionVoltagevs.TemperatureResponsetimevs.LoadCapacitanceIOUTTransistorOutputCurrentvs.VDDSupplyVoltage

234523456SupplyVoltage(VSupplyCurre2.6952.72.7052.71-40-53065100Temperature(CVDET(VLoadcapacitance[nF]Responsetime[ms]CAT808TOPVEWSYMHOlNDMMAXA'v.Al0QI0050wA2OW0.87090b030O4Sc口12口15OXD2S0BSCE290BSCEl160BSCTQ95TYPL0300.40050LIQGOR?L2D258SC60a9°A國(guó)—Al?2009SCILLC.Allrightsreserved.5Doc.No.MD-3024Rev.ECharacteristicssubjecttochangewithoutnoticePACKAGEOUTLINEDRAWINGSTSOT-235-Lead(TD(1(2Notes:(1Alldimensionsareinmillimeters.Anglesindegrees.(2ComplieswithJEDECspecificationMO-193.SIDEVIEWENDVIEWCAT808SOT-893-Lead(TF(1(2DD1EHLee1TOPVIEWCSIDEVIEWSYMBOLMINNOMMAXAA1bAA1bb1b1.400.300.360.410.384.401.402.401.452.903.940.801.500.400.420.470.404.501.602.501.503.001.600.500.480.530.434.601.752.601.50b1CDD1Eee1HLBOTTOMVIEWdf.Notes:(1Alldimensionsareinmillimeters.Anglesindegrees.(2Leadframematerial:copper.Doc.No.MD-3024Rev.E62009SCILLC.Allrightsreserved.CharacteristicssubjecttochangewithoutnoticeCAT808EXAMPLEOFORDERINGINFORMATIONPrefixDevice#SuffixCAT808NTDI-27OptionalCompanyIDProductNumber808NTemperatureRangeI=Industrial(-40Cto85CLeadFinishG:NiPdAuBlank:Matte-TinTape&ReelT:Tape&Reel1:1000Reel3:3000ReelPackageTD:TSOT-23-5TF:SOT-89VoltageDetectionLevel-20:2.0V-35:3.5VNotes:(1AllpackagesareRoHS-compliant(Lead-free,Halogen-free.(2ThestandardfinishisNiPdAu.(3ThedeviceusedintheaboveexampleisaCAT808NTDI-27GT3(TSOT-23-5,IndustrialTemperature,2.7VDetectionLevel,NiPdAu,Tape&Reel.(4Foradditionaldetectionvoltage,packageandtemperatureoptions,pleasecontactyournearestONSemiconductorSalesoffice.ORDERINGINFORMATIONOrderablePartNumberCAT808NTDI-27GT3CAT808NTDI-32GT3CAT808NTDI-35GT3CAT808NTFI-27-T1*CAT808NTFI-32-T1*CAT808NTFI-35-T1*PackageTSOT-23-5TSOT-23-5TSOT-23-5SOT-89SOT-89SOT-89DetectionVoltage[V]2.703.203.502.703.203.50TopMarkingMVymMVymMVymAAxxxAAxxxAAxxx*Partnumberisnotexactlythesameasthe"ExampleofOrderingInformation"shownabove.Forpartnumbersmarkedwith*therearetwohyphensintheorderablepartnumber.Notes:(1ymrYearandMonthCode.(2xxx-Assemblylocationcodeandlast2digitsofassemblylotcode.(3SOT-89isofferedinMatte-Tinonly.2009SCILLC.Allrightsreserved.Characteristicssubjecttochangewithoutnotice7Doc.No.MD-3024Rev.ECAT808REVISIONHISTORYDate7-Nov-06Rev.ADescriptionInitialIssueUpdateFeaturesUpdateDescriptionUpdateDCElectricalCharacteristicsUpdateExampleofOrderingInformationUpdateTopMarkingAddedMD-todocumentnumberChangelogoandfineprinttoONSemiconductorUpdatePackageOutlineDrawing-SOT-893-Lead(TFUpdateOrderingInformationtable10-May-07B5-Nov-0817-Mar-0913-Jul-09CDEONSemiconductorandareregisteredtrademarksofSemiconductorComponentsIndustries,LLC(SCILLC.SCILLCreservestherighttomakechangeswithoutfurthernoticetoanyproductsherein.SCILLCmakesnowarranty,representationorguaranteeregardingthesuitabilityofitsproductsforanyparticularpurpose,nordoesSCILLCassumeanyliabilityarisingoutoftheapplicationoruseofanyproductorcircuit,andspecificallydisclaimsanyandallliability,includingwithoutlimitationspecial,consequentialorincidentaldamages."Typical"parameterswhichmaybeprovidedinSCILLCdatasheetsand/orspecificationscananddovaryindifferentapplicationsandactualperformancemayvaryovertime.Alloperatingparameters,including"Typicals"mustbevalidatedforeachcustomerapplicationbycustomer'stechnicalexperts.SCILLCdoesnotconveyanylicenseunderitspatentrightsnortherightsofothers.SCILLCproductsarenotdesigned,intended,orauthorizedforuseascomponentsinsystemsintendedforsurgicalimplantintothebody,orotherapplicationsintendedtosupportorsustainlife,orforanyotherapplicationinwhichthefailureoftheSCILLCproductcouldcreateasituationwherepersonalinjuryordeathmayoccur.ShouldBuyerpurchaseoruseSCILLCproductsforanysuchunintendedorunauthorizedapplication,BuyershallindemnifyandholdSCILLCanditsofficers,employees,subsidiaries,affiliates,anddistributorsharmlessagainstallclaims,costs,damages,andexpenses,andreasonableattorneyfeesarisingoutof,directlyorindirectly,anyclaimofpersonalinjuryordeathassociatedwithsuchunintendedorunauthorizeduse,evenifsuchclaimallegesthatSCILLCwasneglige