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SMRT283R3S/KR Datasheet(PDF) 1 Page - Interpoint Corporation Company |
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SMRT283R3S/KR Datasheet(HTML) 1 Page - Interpoint Corporation Company |
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1 / 44 page  Features • Radiationtolerantspacedc-dcconverter - Singleeventeffects(SEE)LETperformanceto 86MeVcm2/mg - Totalionizingdose(TID)guaranteedperMIL-STD-883 method1019,radiationhardnessassurance(RHA) P=30krad(Si),L=50krad(Si),R=100krad(Si) - 50-300rad(Si)/secdoserate(ConditionA) - 10mrad(Si)/secdoserate(ConditionD) • BuiltinMIL-STD-461EMIfilter • Outputtrimfrom51%to124%ofnominal • Operatingtemperature-55°to+125°C • QualifiedtoMIL-PRF-38534ClassHandK • Inputvoltagerange19to56volts • Transientprotection80voltsfor120ms • Fullyisolated,5portisolation • Dualmagneticfeedback • Fixedhighfrequencyswitching • Remotesense • Inhibitfunction • Synchronizationinput • Indefiniteshortcircuitprotection • MeetsMIL-STD-704Atransientstandards description TheInterpoint®SMRTSeries™ofdc-dcconvertersoffersup to35wattsofpowerinaradiationtolerantdesign.Thelow profileSMRTconvertersaremanufacturedinourfullycertified andqualifiedMIL-PRF-38534productionfacilityandpackaged inhermeticallysealedsteelcases.Theyareidealforusein programsrequiringhighreliability,smallsize,andhighlevelsof radiationhardnessassurance. TheSMRTconvertersareswitchingregulatorswhichusea two-phase,phaseshiftedflybackdesignwithanominalswitching frequencyof300kHz.Closeregulationismaintainedwith advancedconstantfrequencypulsewidthmodulationdesign techniques.TheSMRT’sfeed-forwardcompensationand discontinuoustopologiesprovidehighlevelsofinput-to-output ripplerejection.SeeFigure10onpage29,Figure29and Figure30onpage33andFigure45andFigure46onpage 36. Twoindependentfeedbackloopsareusedtoregulatethedual andtripleoutputs,onefeedbackloopregulatesthetwo-phased singleoutput.Eachsetofoutputsiselectricallyisolatedfromthe otherandfromtheinput.Thisproductconfigurationeliminates crossregulationeffectsbetweenoutputsets. Configurations: •SingleOutput:Onedual-phaseoutput •DualOutput:Twoisolatedsingle-phaseoutputs •TripleOutput:Onesingle-phasedoutput(Main)isolated fromonesingle-phasedualoutput(±Auxiliary) MODELS Output VOltage (V) SINGLE DUAL TRIPLE 3.3 VoutA5V,VoutB5V +3.3&±12 5 VoutA12V,VoutB12V +3.3&±15 8.7 VoutA15V,VoutB15V +5&±7 12 +5&±12 15 +5&±15 Crane Aerospace & Electronics Power Solutions sMrt single, dual and triple space dc-dc converters Page1of44 19-56 Volt input – 35 Watt – space qualiFied SMRT28RevAJ-2016.05.03 Crane Aerospace & Electronics Power Solutions – Interpoint Products 10301 Willows Rd. NE, Redmond, WA 98052 +1 425-882-3100 • power@crane-eg.com www.craneae.com/interpoint |
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