thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun vra_ymd-6wr2&vrb_ymd-6wr2 2013.12.02-b/0 page 1 of 7 features 2:1wideinputvoltagerange efficiencyupto88% 1.5kvdcisolation shortcircuitprotection outputovervoltageprotection operatingtemperaturerange: -40 c~+85 c industrystandardpinout lowripple&noise meetcispr22/en55022classa inversepolarityprotectionfora2s chassis mounting anda4s din-railmounting meeten60950 application vra_ymd-6wr2&vrb_ymd-6wr2 series models provide 6 watt output power, with 2:1 wide range of 9-18vdc,18-36vdc,36-75vdc,output over-voltage and short-circuit protection. and all of them can meet cispr22/en55022classawithoutexternalcircuit.typical applicationsfortheseconvertersareindustrial,electricpower, instrumentation,telecommunication. vra_ymd-6wr2& vrb_ymd-6wr2series 6w,wideinputisolated& regulateddual/singleoutput dippackaging,dc-dcconverter patent protected rohs partnumbersystem vrb1205ymd-6wr2 rated power package output voltage input voltage product series selectionguide model inputvoltage(vdc) output voltage (vdc) outputcurrent(ma) inputcurrent (ma)(typ.) reflected ripple current (ma,typ.) max. capacitive load ( f) efficiency (%,typ.) @max. load approval nominal (range) max. max. min. @max. load @no load vra1205ymd-6wr2 12 (9-18) 20 5 600 30 617 12 20 470 81 ce vra1212ymd-6wr2 12 250 12 588 100 85 VRA1215YMD-6WR2 15 200 10 588 100 85 vrb1203ymd-6wr2 3.3 1500 75 528 1800 76 vrb1205ymd-6wr2 5 1200 60 617 1000 81 vrb1212ymd-6wr2 12 500 25 588 100 85 vrb1215ymd-6wr2 15 400 20 588 100 85 vrb1224ymd-6wr2 24 250 12 581 47 86 vra2405ymd-6wr2 24 (18-36) 40 5 600 30 301 7 470 83 vra2412ymd-6wr2 12 250 12 287 100 87 vra2415ymd-6wr2 15 200 10 287 100 87 vra2424ymd-6wr2 24 125 6 285 47 87 vrb2403ymd-6wr2 3.3 1500 75 261 1800 79 vrb2405ymd-6wr2 5 1200 60 301 1000 83 vrb2412ymd-6wr2 12 500 25 287 100 87 vrb2415ymd-6wr2 15 400 20 287 100 87 vrb2424ymd-6wr2 24 250 12 287 47 87 vra4805ymd-6wr2 48 (36-75) 80 5 600 30 151 5 470 83 vra4812ymd-6wr2 12 250 12 143 100 87 vra4815ymd-6wr2 15 200 10 142 100 88 vra4824ymd-6wr2 24 125 6 142 47 88 vrb4803ymd-6wr2 3.3 1500 75 130 3 1800 79 vrb4805ymd-6wr2 5 1200 60 151 1000 83 vrb4812ymd-6wr2 12 500 25 143 100 87 vrb4815ymd-6wr2 15 400 20 142 100 88 vrb4824ymd-6wr2 24 250 12 142 47 88
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun vra_ymd-6wr2&vrb_ymd-6wr2 2013.12.02-b/0 page 2 of 7 note: serieswithsuffix"a2s"arechassismounting,withsuffix"a4s"aredin-railmounting,forexamplevrb2405ymd-6wr2a2sischassismounting, vrb2405ymd-6wr2a4sisdin-railmounting. absolutemaximumratingwithoutdamageontheconverter,butitisn'trecommended. fordualoutputconverter,thegivenvalueisthesameforeachoutput. theefficiencyof"a2s"and"a4s"isapprox.4%(12vinput)lower,2%(24vand48vinput)lower fortheprotectionofinversepolarity. input specifications item testconditions min. typ. max. unit inputsurgevoltage(1sec.max.) 12vdcinput -0.7 -- 25 24vdcinput -0.7 -- 50 vdc 48vdcinput -0.7 -- 100 start-upvoltage 12vdcinput -- -- 9 24vdcinput -- -- 18 48vdcinput -- -- 36 inputfilter pifilter output specifications item testconditions min. typ. max. unit outputvoltageaccuracy -- 1 2 % outputvoltagebalance dualoutput,balancedloads -- 0.5 1.5 lineregulation fullload,inputvoltagefromlowtohigh -- 0.2 0.5 loadregulation 5%to100%load -- 0.5 1 crossregulation dualoutput,mainoutput50%load, secondaryoutputfrom10%to100%load -- -- 5 transientrecoverytime 25%loadstepchange -- 300 500 s transientresponsedeviation -- 3 5 % temperaturecoefficient 100%load -- -- 0.03 %/ c ripple&noise* 20mhzbandwidth -- 50 75 mvp-p outputovervoltageprotection inputvoltagerange 110 120 140 %vo outputshortcircuitprotection continuous,automaticrecovery note:*rippleandnoisetestedwith"parallelcable"method.seedetailedoperationinstructionsat dc-dcapplicationnotes . common specifications item testconditions min. typ. max. unit isolationvoltage input-output,1testedfor1minute,leakagecurrentlessthan1ma 1500 -- -- vdc isolationresistance input-output,1testat500vdc 1000 -- -- m isolationcapacitance input-output,100khz/0.1v -- 1000 -- pf switchingfrequency pwmmode -- 300 -- khz mtbf mil-hdbk-217f@25 1000 -- -- khours safetyapprovals en60950 casematerial aluminumalloy size pcbmounting 25.4x25.4x11.7 mm a2schassismounting 76.0x31.5x21.2 a4sdin-railmounting 76.0x31.5x25.8 weight pcbmounting -- 13 -- g a2schassismounting -- 35 -- a4sdin-railmounting -- 55 -- environmental specifications item testconditions min. typ. max. unit storagehumidity noncondensing 5 -- 95 % operatingtemperature powerderating(above71 ,seefigure4) -40 -- 85 c storagetemperature -55 -- 125 max.casetemperature operatingtemperaturecurverange -- -- 105 c leadtemperature 1.5mmfromcasefor10seconds -- -- 300 cooling freeairconvection vibration 10-55hz,10g,30min.alongx,yandz
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun vra_ymd-6wr2&vrb_ymd-6wr2 2013.12.02-b/0 page 3 of 7 emcspecifications emi ce cispr22/en55022 classa withoutexternalcircuit /classb externalcircuitrefertofigure1- orfigure3 re cispr22/en55022 classa withoutexternalcircuit /classb externalcircuitrefertofigure1- orfigure3 ems esd iec/en61000-4-2 contact 4kv perf.criteriab rs iec/en61000-4-3 10v/m perf.criteriaa eft iec/en61000-4-4 2kv perf.criteriab externalcircuitrefertofigure1- iec/en61000-4-4 4kv perf.criteriab externalcircuitrefertofigure3 surge iec/en61000-4-5 externalcircuitrefertofigure1- orfigure3 cs iec/en61000-4-6 3 vr.m.s perf. criteria a voltagedips,short andinterruptions immunity iec/en61000-4-29 0%-70% perf.criteriab e mcrecommendedcircuit ldm2 c0 tvs ldm1 mov fuse c1 v in gnd + vin gnd +vo -vo (0v) eut load cy2 cy1 (figure1) recommendedexternalcircuitparameters: model vin:12v vin:24v vin:48v fuse chooseaccordingtoactualinputcurrent mov -- s14k35 s14k60 ldm1 -- 56 h tvs smcj28a smcj48a smcj90a c0 680 f/25v 330 f/50v 330 f/100v c1 1 f/50v 1 f/100v ldm2 4.7 h cy1 1nf/2kv cy2 1nf/2kv note:infigure1,part isemsrecommendedexternalcircuit,part isemirecommendedexternalcircuit.chooseaccordingtorequirements. emcrecommendedcircuitpcblayout dual single note:thepadspacebetweeninputandoutput(cy1/cy2)must 2mm. (figure2)
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun vra_ymd-6wr2&vrb_ymd-6wr2 2013.12.02-b/0 page 4 of 7 emcmoduleapplicationcircuit eut gnd -vo +vo -vin +vin ft-a/bx1d load -vo (0v) +vo vin c + -vin +vin fuse ft-a/bx1dismornsun seftsuppresser fornominalvoltage<48v,c 330 f/50v fornominalvoltage=48v,c 330 f/100v (figure3) emitestwaveform(recommendedcircuitfigure1- ) vra2415ymd-6wr2 ce classb,positiveline vra2415ymd-6wr2 ce classb,negativeline vrb2405ymd-6wr2 ce classb,positiveline vrb2405ymd-6wr2 ce classb,negativeline product typical performance curve operating temp.() temperature derating graph (figure4) 50 55 60 65 70 75 80 85 90 95 100 18 20 22 24 26 28 30 32 34 36 efficiency(%) input voltage(v) efficiency vs input voltage curve (full load) vra2415ymd-6wr2 20 30 40 50 60 70 80 90 100 5102030405060708090100 (%) ?? (%) vs ? ? vra2415ymd-6wr2
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun vra_ymd-6wr2&vrb_ymd-6wr2 2013.12.02-b/0 page 5 of 7 50 55 60 65 70 75 80 85 90 95 100 18202224262830323436 efficiency(%) input voltage(v) efficiency vs input voltage curve (full load) vrb 2405 ymd - 6 wr 2 50 55 60 65 70 75 80 85 90 95 100 18202224262830323436 efficiency(%) input voltage(v) efficiency vs input voltage curve (full load) vrb 2405 ymd - 6 wr 2 vra_ymd-6wr2&vrb_ymd-6wr2pcbmountingoutlinedimensions,recommended footprint vra_ymd-6wr2a2s&vrb_ymd-6wr2a2schassismountingoutlinedimensions footprintdetails pin 1 2 3 4 5 6 dual nc gnd vin -vo 0v +vo single nc gnd vin 0v nc +vo vra_ymd-6wr2a4s&vrb_ymd-6wr2a4sdin-railmountingoutlinedimensions
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun vra_ymd-6wr2&vrb_ymd-6wr2 2013.12.02-b/0 page 6 of 7 din-railmodulesarefittingtots35rails footprintdetails pin 1 2 3 4 5 6 dual nc gnd vin -vo 0v +vo single nc gnd vin 0v nc +vo packagediagram specialpackageseries a2s/a4s testconfigvrations inputreflected-ripplecurrenttestsetup inputreflected-ripplecurrentismeasuredwithaninductorlinandcapacitorcintosimulatethesourceimpedance. dc cin lin dc load oscilloscope current probe lin(4.7 h) cin(220 f,esr<1.0 at100khz) designconsiderations 1)recommendedcircuit allthevra_ymd-6wr2&vrb_ymd-6wr2serieshavebeentestedaccordingtothefollowingrecommendedtestcircuitbeforeleavingthe factory(seefigure5). ifyouwanttofurtherdecreasetheinput/outputripple,youcanincreaseacapacitance-valuesproperlyorchoosecapacitorswithlowesr, but thetotalcapacitanceofthefiltercapacitormustnotexceedthemax.capacitiveload. cin: 100 f vinnom=12v cin:10 f~47 f vinnom=24v&48v cout:10 f vin gnd +vo 0v dc cin dc cout cout -vo dual single vin gnd +vo 0v dc cin dc cout (figure5) 2)itisnotrecommendedtoincreasetheoutputpowercapabilitybyconnectingtwoormoreconvertersinparallel.theproductis not hot-swappable. note:
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun vra_ymd-6wr2&vrb_ymd-6wr2 2013.12.02-b/0 page 7 of 7 1.min.loadshouldn'tbelessthan5%,otherwiseripplemaybeincreaseddramatically,iftheproductoperatesundermin.load,itmaynotbe guaranteedtomeetallspecificationslisted.operationunderminimumloadwillnotdamagetheconverter. 2.recommendeddualoutputmodelsunbalancedloadis ? 5%,iftheproductoperates> 5%,itmaynotbeguaranteedtomeetallspecifications listed.pleasecontactourtechnicalsupportformoredetails. 3.max.capacitiveloadistestedatinputvoltagerangeandfullload. 4.allspecificationsmeasuredatta=25 c,humidity<75%,nominalinputvoltageandratedoutputloadunlessotherwisespecified. 5.inthisdatasheet,alltestmethodsarebasedonourcorporatestandards. 6.allcharacteristicsareforlistedmodels,andnon-standardmodelsmayperformdifferently.pleasecontactourtechnicalsupportformoredetails. 7.pleasecontactourtechnicalsupportforanyspecificrequirement. 8.specificationsofthisproductaresubjecttochangeswithoutpriornotice. mornsunscience&technologyco.,ltd. address:no.5,kehuist.1,kehuidevelopmentcenter,scienceave.,guangzhousciencecity,luogangdistrict,guangzhou,p.r.china. tel:86-20-38601850 fax:86-20-38601272 e-mail: info@mornsun.cn http://www.mornsun-power.com
|
