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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SMRT28512T/KR датащи(PDF) 3 Page - Interpoint Corporation Company |
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SMRT28512T/KR датащи(HTML) 3 Page - Interpoint Corporation Company |
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3 / 44 page  Output VOltage trIM Therearetwopossiblemethodsforoutputvoltagetrim.Trimcan beachievedusingtheprovidedtrimpinorinsomecasesthe sensepin.Thepreferredmethodistheuseofthetrimpin.Every converterintheSMRTfamilyprovidesatrimpinthatallowsat leastoneoutputtobeadjusted.SeeTable3andTable4for maximumadjustrangeforeachoutputvoltage.Thesingleoutput modelsprovideatrimpinandremotesense.Thedualoutput modelsallowremotesenseonVOUTAandhaveatrimpinonthe VOUTB.ThetripleshaveatrimpinontheVOUTA(main)anda singletrimpinforbothVOUTBauxiliaries. Foroutputswithoutatrimpin,theoutputattheconvertercanbe adjustedupbyaddingresistanceinserieswiththesensepin. SeeTable2forasummaryoftrimfeaturesandseebelowfor detailsonthetrimfeatures.SeeFormula1fortrimmingdown whenusingatrimpin,Formula2fortrimmingupwhenusinga trimpinandFormula3whentrimmingupusingSenseApinona dualoutputmodel. NOTE:Donotexceedmaximumcurrentratingwhentrimming down. NOTE:Donotexceedmaximumpowerratingwhentrimmingup. VoltageAdjustFeature Singles Duals Triples TrimPin(Formulas1and2) TrimandSensePin TrimB TrimA,TrimB± SensePin(Formula3) — SenseA — table 2: trIM and SenSe VOltage adjuSt Output VOltage trIM detaIlS Theoutputvoltagetrimpinfunctionisimplementedwitha resistorbetweenthetrimpinandeithertheoutputvoltagepinor thesensepin.Figure1andFigure2showtheconnectionsfor thetrimresistor(RTRIM). 1 2 3 4 5 14 13 12 11 10 9 8 SMRT Single Sense Trim 1 2 3 4 5 14 13 12 11 10 9 8 SMRT Dual Vout B Trim B 1 2 3 4 5 14 13 12 11 10 9 8 SMRT Triple Vout A Trim A Trim B +Vout B FIgure 1: trIM dOwn dIagraMS 1 2 3 4 5 14 13 12 11 10 9 8 SMRT Single Sense Return Trim 1 2 3 4 5 14 13 12 11 10 9 8 SMRT Dual Vout B Return Trim B 1 2 3 4 5 14 13 12 11 10 9 8 SMRT Triple Vout A Return Trim A Trim B Vout B Return FIgure 2: trIM up dIagraMS Crane Aerospace & Electronics Power Solutions www.craneae.com/interpoint Page3of44 sMrt single, dual and triple space dc-dc converters 19-56 Volt input – 35 Watt – space qualiFied SMRT28RevAJ-2016.05.03 |
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