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SMRT283R3S/KR Datasheet(PDF) 3 Page - Interpoint Corporation Company

Part # SMRT283R3S/KR
Description  SMRT Single, Dual and Triple Space DC-DC Converters
PDF  44 Pages
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Manufacturer  INTERPOINT [Interpoint Corporation Company]
Direct Link  http://www.interpoint.com
Logo INTERPOINT - Interpoint Corporation Company

SMRT283R3S/KR Datasheet(HTML) 3 Page - Interpoint Corporation Company

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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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