mh281使用手册new

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1、MH281LowSensitivityUnipolarHallEffectSwitchMH281isanunipolarHalleffectsensorIC.Itincorporatesadvancedchopperstabilizationtechnologytoprovideaccurateandstablemagneticswitchpoints.Thedesign,specificationsandperformancehavebeenoptimizedforapplicationsofsolidstateswitches.Theoutp

2、uttransistorwillbeswitchedon(BOP)inthepresenceofasufficientlystrongSouthpolemagneticfieldfacingthemarkedsideofthepackage.Similarly,theoutputwillbeswitchedoff(BRP)inthepresenceofaweakerSouthfieldandremainoffwith“0”field.Thepackagetypeisinalead(Pb)-freeversionwasverifiedbythird

3、partyorganization.Greenpackageisavailablebycustomer’soption.FeaturesandBenefitsCMOSHallICTechnologySolid-StateReliabilityChopperstabilizedamplifierstageUnipolar,outputswitcheswithabsolutevalueofSouthpolefrommagnetOperationdownto3.0VHighSensitivityfordirectreedswitchrepl

4、acementapplicationsSmallSizeinTO-92SandSot23package.100%testedat125℃forKSpec.Customsensitivity/Temperatureselectionareavailable.ApplicationsSolidstateswitchLimitswitchCurrentlimitInterrupterCurrentsensingMagnetproximitysensorforreedswitchreplacementOrderingInformatio

5、nCompanyNameandProductCategoryMH:MSTHallEffect/MP:MSTPowerMOSFETPartnumber181,182,185,186,187,189,281,282,248,249…TemperaturerangeE:85DegreeC,K:125DegreeC,L:150DegreeCPackagetypeUA:TO-92S,SO:SOT-23,ST:Tsot-25,SU:USONSortingα,β,Blank…..PackageIdentificationCode01,02,03…..Handl

6、ingCodeBLANK:ESDbag,TR:Tape&ReelLeadFreeCodeBLANK:LeadFreeDevice,G:Green080410Page1of9Rev.016MH281LowSensitivityUnipolarHallEffectSwitchPartNo.TemperatureSuffixPackageTypePackageIdentification281K(-40℃to+125℃)UA(TO-92S)02K(-40℃to+125℃)SO(SOT-23)05E(-40℃to+85℃)UA(TO-92S)02E(-4

7、0℃to+85℃)SO(SOT-23)05Kspecisusinginindustrialandautomotiveapplication.SpecialHotTestingisutilized.FunctionalDiagramNote:Staticsensitivedevice;pleaseobserveESDprecautions.ReverseVDDprotectionisnotincluded.Forreversevoltageprotection,a100ΩresistorinserieswithVDDisrecommended.Ab

8、soluteMaximumRatingsSupplyVoltage(Operating),VDD27VSupplyVoltage(Rev