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MSA2805S/883 Arkusz danych(PDF) 1 Page - Interpoint Corporation Company |
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MSA2805S/883 Arkusz danych(HTML) 1 Page - Interpoint Corporation Company |
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1 / 15 page  Features small size, 1.16 in2 (7.46 cm2) - Msa surface mount package - MGa • –55°to+125°Coperation • 16to40VDCinput • 50Vfor50mstransientprotection • Fullyisolated • Fixedhighfrequencyswitching • Inhibitfunction • Indefiniteshortcircuitprotection • Upto76%efficiency Description TheInterpoint™MSASeries™andMGASeries™ofdc-dc convertersprovideupto5wattsofoutputpoweroverthefull militarytemperaturerangewithupto76%efficiency.Thick-film hybridtechniquesprovidemilitary/aerospacereliabilitylevelsand optimumminiaturization. Theconvertersareofferedwithstandardscreening,“ES” screening,orfullycompliantto“883”MIL-PRF-38534ClassH screening.Standardmicrocircuitdrawings(SMD)areavailable. See“Table12:ElementEvaluation”onpage14and“Table13: EnvironmentalScreening”onpage15forscreeningoptions anddescriptions. Converter Design Theconvertersareswitchingregulatorsthatuseaflyback converterdesignwithaconstantswitchingfrequencyof550kHz typical.Theyareregulated,isolatedunitsusingapulsewidth modulatedtopologyandarebuiltashighreliabilitythick-film hybrids.Isolationbetweeninputandoutputcircuitsisprovided withatransformerintheforwardpowerpathandanoptical linkinthefeedbackcontrolloop.Excellentinputlinetransient responseandaudiorejectionisachievedbyanadvancedfeed- forwardcompensationtechnique.Negativeoutputregulationis maintainedbytightlycoupledmagnetics.Upto4watts,80%of thetotaloutputpower,isavailablefromeitheroutput,provided thattheoppositeoutputissimultaneouslycarrying20%ofthe totalpowerinordertomaintainthespecifiedregulationonthe negativeoutput.Apredictablecurrentlimitisaccomplishedby directmonitoringoftheoutputloadcurrent,whichresultsina constantcurrentoutput.Internalinputandoutputfilterseliminate theneedforexternalcapacitorsforstableoperation.Outputfilter examplesin“Figure3:LowNoiseOutputFilterMSAandMGA SingleOutputModels”onpage3and“Figure4:LowNoise OutputFilterMSAandMGADualOutputModels”onpage3 providesuggestedsolutionsforsystemswhereverylowoutput rippleisrequired. WiDe voltage range TheMSAconvertersaredesignedtoprovidefullpoweroperation overafull16to40VDCvoltagerange.Operationbelow16volts, includingMIL-STD-704Eemergencypowerconditionsispossible withderatedpower.Low-linedropoutgraphs,“Figure17”on page10and“Figure23”onpage11,graphsprovidemore information. improveD DynamiC response Thefeed-forwardcompensationsystemprovidesexcellent dynamicresponseandnoiserejection.Audiorejectionistypically 50dB.Theminimumtomaximumsteplinetransientresponseis typicallylessthan1%. MoDels VDC Output SINGLE DUAL 5 ±5 5.2(MSAonly) ±12 12 ±15 15 Crane Aerospace & Electronics Power Solutions MSA/MGA Single and Dual DC-DC Converters Page1of15 MSA_MGARevAC-2013.06.13 28 Volt input – 5 Watt 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 |
Podobny numer części - MSA2805S/883 |
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Podobny opis - MSA2805S/883 |
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