LEM电流电压传感器说明书

LEMPage1/3LEMreservestherighttocarryoutmodificationsonitstransducers,inordertoimprovethem,withoutpreviousnotice.051123/6CurrentTransducerLTSR25-NPFortheelectronicmeasurementofcurrents:DC,AC,pulsed,mixed,withagalvanicisolationbetweentheprimarycircuit(highpowerandthesecondarycircuit(electroniccircuit.ElectricaldataIPNPrimarynominalr.m.s.current25AtIPPrimarycurrent,measuringrange0..±801AtVOUTAnalogoutputvoltage@IP±(0.625」P/IPNVIP=02VVREFVoltagereference(internalreference,refoutmode3VVoltagereference(externalreference,refinmode1.9..2.74VNSNumberofsecondaryturns(土0.1%2000RLLoadresistance〉2kCLMax.capacitiveloading500pFRIMInternalmeasuringresistance(士0.5%50QTCRIMThermaldriftofRIM<50ppm/KVCSupplyvoltage(±5%5VICCurrentconsumption@VC=5VTyp28+IS5+(VOUT/RLmAAccuracy-DynamicperformancedataXAccuracy@IPN,TA=25°C士0.2%AccuracywithRIM@IPN,TA=25°C士0.7%sLLinearityerror<0.1%MaxTCVOUTThermaldriftofVOUT/VREF@IP=0-40°C..+85°C37.5ppm/KTCsGThermaldriftofthegain-40°C..+85°C506ppm/KVOMResidualvoltage@IP=0,afteranoverloadof3xIPN±0.5mV5xIPN±2.0mV10xIPN±2.0mVTCVREFThermaldriftofinternalVREF@IP=0-10°C..+85°C50ppm/K-40°C..-10°C100ppm/KtraReactiontime@10%ofIPN<100nstrResponsetime@90%ofIPN<400nsdi/dtdi/dtaccuratelyfollowed〉60A/psfFrequencybandwidth(0..-0.5dBDC..100kHz(-0.5..1dBDC..200kHzGeneraldataTAAmbientoperatingtemperature-40..+85°CTSAmbientstoragetemperature-40..+100°CmMass10gStandardsEN50178:1997IEC60950-1:2001seeoverleaf.Features•Closedloop(compensatedmulti-rangecurrenttransducerusingtheHalleffect•Unipolarvoltagesupply•InsulatedplasticcaserecognizedaccordingtoUL94-V0•CompactdesignforPCBmounting・Incorporatedmeasuringresistance・Extendedmeasuringrange・Accesstotheinternalvoltagereference•Possibilitytofeedthetransducerreferencefromexternalsupply.Advantages•ExcellentaccuracyVerygoodlinearity•Verylowtemperaturedrift・Optimizedresponsetime・Widefrequencybandwidth・Noinsertionlosses•Highimmunitytoexternalinterference•Currentoverloadcapability.Applications•ACvariablespeeddrivesandservomotordrives•StaticconvertersforDCmotordrives・Batterysuppliedapplications•UninterruptiblePowerSupplies(UPS・SwitchedModePowerSupplies(SMPS・Powersuppliesforweldingapplications.IPN=25AtCopyrightprotected.ApplicationDomainIndustrial.LEMPage2/3LEMreservestherighttocarryoutmodificationsonitstransducers,inordertoimprovethem,withoutpreviousnotice.051123/6CurrentTransducerLTSR25-NPIsolationcharacteristicsVdR.m.s.voltageforACisolationtest,50/60Hz,1mn3*Mon-umlormfieldEN50-178IEC61010-1dCp.dCl也RatedisolatrcnvoltageNomiralvoktageSingleisolaiion600VVRetnlorcedis-olatron300V300VkVwImpulsewithstandvoltage1.2/50ps>8kVMinVeR.m.s.voltageforpartialdischargeextinction@10pC>1.5kVMindCpCreepagedistance715.35mmdClClearancedistance86.2mmCTIComparativeTrackingIndex(GroupIIIa175ApplicationexamplesAccordingtoEN50178andIEC61010-1standardsandfollowingconditions:OvervoltagecategoryOV3PollutiondegreePD2SafetyThistransducermustbeusedinelectric/electronicequipmentwithrespecttoapplicablestandardsandsafetyrequirementsinaccordancewiththefollowingmanufacturer'soperatinginstructions.Caution,riskofelectricalshockWhenoperatingthetransducer,certainpartsofthemodulecancarryhazardousvoltage(eg.primarybusbar,powersupply.Ignoringthiswarningcanleadtoinjuryand/orcauseseriousdamage.Thistransducerisabuilt-indevice,whoseconductingpartsmustbeinaccessibleafterinstallation.Aprotectivehousingoradditionalshieldcouldbeused.Mainsupplymustbeabletobedisconnected.Notes1OnlyinrefoutmodeorwithexternalREFlessthan2.525Vandgreaterthan2.475V.ForexternalREFoutoftheselimitsseeleaflet.2VOUTislinkedtoVREF,byconceptionthedifferencebetweenthesetwonodesforIP=0ismaximum±25mV,2.475V<VOUT<2.525V.3InRefoutmodeatTA=25°C,2.475V<VREF<2.525V.Theminimalimpedanceloadingtherefpinshouldbe>220kQ.Internalimpedance=600Q.FormostapplicationsyouneedtobufferthisoutputtofeeditintoanADCforexample.4TooverdrivetheREF(1.9V..2.7Vmax.±1mAisneeded.5Pleaseseetheoperationprincipleontheotherside.6OnlyduetoTCRIM.7Onhousing.8OnPCBwithsolderingpatternUTEC93-703.LEMPage3/3LEMreservestherighttocarryoutmodificationsonitstransducers,inordertoimprovethem,withoutpreviousnotice.051123/6DimensionsLTSR25-NP(inmm.1mm=0.0394inchMechanicalcharacteristics•Generaltolerance±0.2mm•Fastening&connectionofprimary6pins0.8x0.8mmRecommendedPCBhole1.3mm•Fastening&connectionofsecondary4pins0.5x0.35mmRecommendedPCBhole0.8mm・Additionalprimarythrough-hole3.2mmRemarks•VOUTispositivewhenIPflowsfromterminals1,2,3toterminals6,5,4•FortheEMC,theacceptancecriteriaareavailableonrequest.・Temperatureoftheprimaryjumpershouldnotexceed100[°C].Numberofprimarytumsrrimarynominalr.m.s.cuaentNominal41obtputvaliage%(V]户Timary

resislance

FLLhi⑵Primary

insertioninductance

L”[pH]R-ecommeriCied

connectionsOUT±2S2.010.&25Q.1SQ.013soO10.12654OUTCKOIM123|-]_BottomviewOperationprinciph5Numb亡rPrimarynominalMominal^Prim