thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun vra_ld-30wr2 2013.09.24-a/0 page1of7 features efficiencyupto89% 2:1wideinputvoltagerange operatingtemperaturerange: -40 c~+85 c 1.5kvdcisolation outputshortcircuit,overcurrentandovervoltage protection meetcispr22/en55022classa industrystandardpinout inversepolarityprotectionfora2s(chassis mounting)anda4s(din-railmounting) application thevra_ld-30wr2seriesoffer30wofoutput,with2:1wideinput voltageof18-36vdc,36-75vdcandfeatures1500vdcisolation,over currentandshort-circuitprotectionetc,aswellassix-sidedmetal shielding.allmodelsareparticularlysuitedtoindustrialcontrol,electric power,instrumentation,tele-communicationsetc. vra_ld-30wr2series 30w,wideinput,isolated®ulated dualoutputdc-dcconverter patentprotected rohs partnumbersystem vra2405ld-30wr2 rated power package style output voltage input voltage product series selectionguide modelnumber inputvoltage(vdc) output voltage (vdc) outputcurrent(ma)inputcurrent(ma)(typ.) reflection ripplecurrent (ma,typ.) max. capacitor load(max, f) efficiency (%,typ.) @max.load nominal (range) max max. min. @ max.load @noload vra2405ld-30wr2 24 (18-36) 40 5 3000 150 1460 120 20 3000 88 vra2409ld-30wr2 9 1667 83 1440 20 10 470 88 vra2412ld-30wr2 12 1250 63 1440 20 10 470 88 vra2415ld-30wr2 15 1000 50 1440 20 10 470 89 vra2424ld-30wr2 24 625 32 1440 20 10 300 89 vra4805ld-30wr2 48 (36-75) 80 5 3000 150 730 80 20 3000 88 vra4812ld-30wr2 12 1250 63 720 20 10 470 89 VRA4815LD-30WR2 15 1000 50 720 20 10 470 89 vra4824ld-30wr2 24 625 32 720 20 10 300 89 note: serieswithsuffix h areheatsinkmounting,forexamplevra2405ld-30whr2.serieswithsuffix"a2s"arechassismounting,withsuffix"a4s"aredin-rail mounting,forexamplevra2405ld-30wr2a2sischassismounting,vra2405ld-30wr2a4sisdin-railmounting.iftheapplicationhasahigherrequirementfor heatdissipation,youcanchoosemoduleswithheatsink. absolutemaximumratingwithoutdamageontheconverter,butitisn'trecommended. theefficiencyof"a2s"and"a4s"isapprox.2%lowerfortheprotectionofinversepolarity. inputspecifications item testconditions min. typ. max. unit inputsurgevoltage (1sec.max.) 24vdcinputmodels -0.7 -- 50 vdc 48vdcinputmodels -0.7 -- 100 start-upvoltage 24vdcinputmodels -- 17.8 18 48vdcinputmodels -- 35.8 36 undervoltageshutdown 24vdcinputmodels 16 -- -- vdc 48vdcinputmodels 32 -- -- start-uptime nominalinput&constantresistanceload -- 10 -- ms
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun vra_ld-30wr2 2013.09.24-a/0 page2of7 ctrl * modelson ctrlopenorconnectttlhighlevel(2.5-12vdc) modelsoff ctrlconnectgndorlowlevel(0-1.2vdc) inputcurrentatshutdown -- 1 -- ma inputfilter pifilter *thectrlcontrolpinvoltageisrefertognd. outputspecifications item testconditions min. typ. max. unit positiveoutputvoltageaccuracy -- 1 3 % negativeoutputvoltageaccuracy outputvoltagebalance dualoutput balanceload -- 0.5 1 lineregulation inputvoltagefromlowtohighat100%load -- 0.2 0.5 crossregulation dualoutput,mainoutput50%load, supplementoutputfrom10%to100%load -- 5 7 loadregulation from5%to100%loadnominalinput -- 0.5 1 transientrecoverytime 25%loadstepchange -- 300 500 s transientresponsedeviation -- 3 5 % temperaturedrift 100%load -- 0.02 -- %/ c ripple&noise* 20mhzbandwidth -- 50 100 mvp-p overvoltageprotection fullinputvoltage 5vdcoutput -- 6 -- vdc 9vdcoutput -- 10.8 -- 12vdcoutput -- 15 -- 15vdcoutput -- 18 -- 24vdcoutput -- 28 -- overcurrentprotection fullinputvoltage 110 130 160 % shortcircuitprotection hiccup,automaticrecovery note:*rippleandnoisetestedby parallelcable method.seedetailedoperationinstructionsat dc-dcapplicationnotes . commonspecifications item testconditions min. typ. max. unit isolationvoltage input-output,testedfor1minute,leakagecurrentlessthan1ma 1500 -- -- vdc isolationresistance input-output,testat500vdc 1000 -- -- m isolationcapacitance input-output,100khz/0.1v -- 2000 -- pf switchingfrequency pwmmode -- 400 -- khz mtbf mil-hdbk-217f@25 1000 -- -- khours casematerial aluminumalloy size pcbmounting withoutheatsink 50.8x25.4x11.8 mm pcbmounting withheatsink 50.8x25.4x16.3 a2schassismounting withoutheatsink 76.0x31.5x21.2 a4sdin-railmounting withoutheatsink 76.0x31.5x25.8 a2schassismounting withheatsink 76.0x31.5x25.1 a4sdin-railmounting withheatsink 76.0x31.5x29.7 weight pcbmounting withoutheatsink -- 24 -- g pcbmounting withheatsink -- 37 -- a2schassismounting withoutheatsink -- 46 -- a4sdin-railmounting withoutheatsink -- 66 -- a2schassismounting withheatsink -- 59 -- a4sdin-railmounting withheatsink -- 79 -- environmental specifications item testconditions min. typ. max. unit storagehumidity noncondensing 5 -- 95 % operatingtemperature seetemperaturederatingcurve seefigure3 -40 -- 85 c storagetemperature -55 -- 125 themax.casetemperature operatingtemperaturecurverange -- -- 105 solderingtemperature 1.5mmfromcasefor10seconds -- -- 300 cooling freeairconvection shake 10-55hz,10g,30min.alongx,yandz
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun vra_ld-30wr2 2013.09.24-a/0 page3of7 emc specifications emi ce cispr22/en55022 classa withoutexternalcircuit /classb externalcircuitrefertofigure1- re cispr22/en55022 classa withoutexternalcircuit /classb externalcircuitrefertofigure1- 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 externalcircuitrefertofigure1- perf.criteriab surge iec/en61000-4-5 2kv externalcircuitrefertofigure1- perf.criteriab cs iec/en61000-4-6 3vr.m.s perf.criteriaa voltagedips,shortand interruptionsimmunity iec/en61000-4-29 0%-70% perf.criteriab emcrecommendedcircuit (figure1) note:1.infigure1,part isemsrecommendedexternalcircuit,part isemirecommended externalcircuit.chooseaccordingtorequirements. 2.fl2d-30-102istheemcauxiliarycomponentofourcompany. recommendedexternalcircuitparameters: model vra24_ld-30wr2 vra48_ld-30wr2 fuse chooseaccordingtopracticalinputcurrent mov s14k35 s14k60 ldm1 56 h 56 h tvs smcj48a smcj90a c0 330 f/50v 330 f/100v c1,c2 4.7uf/50v 2.2uf/100v lcm1 1mh(fl2d-30-102) cy1,cy2 1nf/2kv 1nf/2kv emcrecommendedcircuitpcblayout (figure2) emitestwaveform(classbapplicationcircuit) vra2405ld-30wr2 ce positiveline vra2405ld-30wr2 ce negativeline vra2405ld-30wr2 re horizontal vra2405ld-30wr2 re vertical
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun vra_ld-30wr2 2013.09.24-a/0 page4of7 product typical performance curve temperaturederatingcurve (outputvoltage 5v) (outputvoltage 5v) 0 20 40 60 80 100 120 -40 0 40 120 50 85 60 o u t p u t p o w e r p e r e n t ( % ) operating temp( ) c safe operating area withoutheatsink with heatsink 0 20 40 60 80 100 120 -40 0 40 120 55 85 65 o u t p u t p o w e r p e r e n t ( % ) operating temp( ) c safe operating area withoutheatsink with heatsink (figure3) pcbmounting(withoutheatsink)outlinedimensions,recommendedfootprint
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun vra_ld-30wr2 2013.09.24-a/0 page5of7 pcbmounting(withheatsink)outlinedimensions vra_ld-30wr2a2schassismountingoutlinedimensions footprintdetails pin 1 2 3 4 5 6 function ctrl gnd vin -vo 0v +vo vra_ld-30wr2a4sdin-railmountingoutlinedimensions din-railmodulesarefittingtots35rails footprintdetails pin 1 2 3 4 5 6 function ctrl gnd vin -vo 0v +vo
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun vra_ld-30wr2 2013.09.24-a/0 page6of7 installation&disassembly packagediagram pcbmountingseries withoutheatsink pcbmountingseries withheatsink specialpackageseries a2s/a4s testconfigurations inputreflected-ripplecurrenttestsetup inputreflected-ripplecurrentismeasuredwithaninductorlinandcapacitorcintosimulatesourceimpedance. dc cin lin dc load oscilloscope current probe lin(4.7 h) cin(220 f,esr<1.0 at100khz) designconsiderations 1 recommendedcircuit allthevra_ld-30wr2serieshavebeentestedaccordingtothefollowingrecommendedtestcircuitbeforeleavingthefactory(seefigure4). ifyouwanttofurtherdecreasetheinput/outputripple,youcanincreaseacapacitance-valuesproperlyorchoosecapacitorswithlowesr,but the totalcapacitanceofthefiltercapacitormustnotexceedthemax.capacitiveload. vin gnd +vo 0v dc cin dc cout (figure4) externalcapacitortable(table2) 2 itisnotrecommendedtoincreasetheoutputpowercapabilitybyconnectingtwoormoreconvertersinparallel.theproductisnothot- swappable outputvoltage (vdc) cout ( f) cin ( f) 5 220 100 9/ 12/ 15 100 24 47
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun vra_ld-30wr2 2013.09.24-a/0 page7of7 note: 1. min.loadshouldn'tbelessthan5%,otherwiseripplemaybeincreaseddramatically,iftheproductoperatesundermin.load,itmaynotbe guaranteedtomeetallspecificationslisted.operationunderminimumloadwillnotdamagetheconverter. 2.recommendeddualoutputmodelsunbalancedload: 5%,iftheproductoperates> 5%,itmaynotbeguaranteedtomeetallspecification listed,pleasecontactourtechnicalpersonformoredetail. 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
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