thecopyrightandauthorityfortheinterpretationoftheproductsarereservedbymornsun ia_ks-2w&ia_s-2w 2013.08.30 - b/1 page1of5 features l sippackage l 1kvdcisolation l temperaturerange:-40 cto+85 c l noheatsinkrequired l internalsmdconstruction l noexternalcomponentrequired l industrystandardpinout l rohscompliance applications theia_ks-2w&ia_s-2wseriesarespeciallydesigned forapplicationswhereagroupofpolarpowersuppliesare isolatedfromtheinputpowersupplyinadistributedpower supplysystemonacircuitboard. theseproductsapplyto: 1)wherethevoltageoftheinputpowersupplyisfixed (voltagevariation ? 5%); 2)whereisolationisnecessarybetweeninputandoutput (isolationvoltage 1000vdc); 3)wheretheregulationoftheoutputvoltageandtheoutput ripplenoisearedemanded. ia_ks-2w&ia_s-2wseries 2w,fixedinput,isolated®ulated dualoutputdc-dcconverter patentprotection rohs modelselection ia 2409 ks-2w product series input voltage output voltage package style rated power productprogram model input output efficiency (%,typ.) switching frequency (khz,typ) voltage(vdc) voltage(vdc) current(ma) nominal nominal max. max. ia0505s-1w5 5 4.75-5.25 5 150 15 69 100 ia0505s-2w 5 200 20 70 55 ia0509ks-2w 9 100 10 62 67 IA0512KS-2W 12 83 9 64 67 ia0515ks-2w 15 67 7 65 200 ia1205s-1w5 12 11.4-12.6 5 150 15 70 83 ia1209ks-2w 9 100 10 63 91 ia1212ks-2w 12 83 9 65 91 ia1215ks-2w* 15 67 7 68 200 ia2405s-1w5 24 22.8-25.2 5 150 15 70 83 ia2409ks-2w 9 100 10 63 100 ia2412ks-2w 12 83 9 67 200 ia2415ks-2w 15 67 7 69 91 *designing. outputspecifications item testconditions min. typ. max. unit lineregulation forvinchangeof 5% -- -- 0.25 % loadregulation 10%to100%fullload -- -- 1 outputvoltageaccuracy 100%fullload -- -- 3 temperaturedrift 100%fullload -- -- 0.03 %/ outputripple* 20mhzbandwidth -- 20 30 mvp-p noise* 20mhzbandwidth -- 75 150 *testrippleandnoiseby parallelcable method.seedetailedoperationinstructionsatdc-dcapplicationnotes.
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedbymornsun ia_ks-2w&ia_s-2w 2013.08.30 - b/1 page2of5 commonspecifications item testconditions min. typ. max. unit storagehumidityrange -- -- 95 % operatingtemperature -40 -- 85 storagetemperature -55 -- 125 leadtemperature -- 20 30 temp.riseatfullload 1.5mmfromcasefor10seconds -- -- 300 cooling freeairconvection casematerial plastic(ul94-v0) shortcircuitprotection iaxx05s-2w/1w5 continuous others* -- -- 1 s mtbf 3500 -- -- khours weight -- 5.2 -- g *supplyvoltagemustbediscontinuedattheendofshortcircuitduration. isolationspecifications item testconditions min typ. max. unit isolationvoltage testedfor1minuteand1mamax 1000 -- -- vdc isolationresistance testat500vdc 1000 -- -- m typicalcharacteristics operating temp.( ) c temperature derating graph outlinedimensions&pinconnections
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedbymornsun ia_ks-2w&ia_s-2w 2013.08.30 - b/1 page3of5 note: 1.operationunderminimumloadwillnotdamagetheconverter;however,theymaynotmeetallspecifications. 2.max.capacitiveloadistestedatnominalinputvoltageandfullload. 3.unlessotherwisenoted,allspecificationsaremeasuredatta=25 c,humidity<75%,nominalinputvoltageandratedoutputload. 4.inthisdatasheet,alltestmethodsarebasedonourcorporatestandards. 5.allcharacteristicsareforlistedmodels,andnon-standardmodelsmayperformdifferently.pleasecontactourtechnicalsupportformoredetail. 6.pleasecontactourtechnicalsupportforanyspecificrequirement. 7.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 applicationnote 1)requirementonoutputload toensurethismodulecanoperateefficientlyandreliably,aminimumloadisspecifiedforthiskindofdc/dcconverterinadditiontoa maximumload(namelyfullload).duringoperation,makesurethespecifiedrangeofinputvoltageisnotexceeded,theminimumoutputload couldnotbelessthan10%ofthefullload .iftheactualoutputpowerisverysmall,pleaseconnectaresistorwithproperresistanceatthe outputendinparalleltoincreasetheload,oruseourcompany sproductswithalowerratedoutputpower(ia_ks C 1w/ia_s-1wseries). 2)filtering togetanextremelowripple,an lc filteringnetworkmaybeconnectedtotheinputandoutputendsofthedc/dcconverter,whichmay produceamoresignificantfilteringeffect.itshouldalsobenotedthattheinductanceandthefrequencyofthe lc filteringnetworkshouldbe staggeredwiththedc/dcfrequencytoavoidmutualinterference(seefigure1). vin gnd +vo 0v dc cin l l dc l cout cout -vo (figure1) insomecircuitswhicharesensitivetonoiseandripple,afilteringcapacitormaybeaddedtothedc/dcoutputendandinputendtoreducethe noiseandripple.however,thecapacitanceoftheoutputfiltercapacitormustbeproper.ifthecapacitanceistoobig,astartupproblemmightarise. foreverychannelofoutput,providedthesafeandreliableoperationisensured,thegreatestcapacitanceofitsfiltercapacitorseestheexternal capacitortable(seetable1). externalcapacitortable(table1) it snotrecommendtoconnectanyexternalcapacitorintheapplicationfieldwithlessthan0.5wattoutput. 3)inputover-voltageprotectioncircuit thesimplestdeviceforinputover-voltageprotectionisalinearvoltageregulatorwithoverheatprotectionthatisconnectedtotheinputendin series(figure2). vin gnd 0v +vo dc dc -vo reg (figure2) 4)whentheenvironmenttemperatureishigherthan71 c,theproductoutputpowershouldbelessthen60%oftheratedpower. 5)itisnotrecommendedtoincreasetheoutputpowercapabilitybyconnectingtwoormoreconvertersinparallel.theproductisnothot- swappable. 6)usedualoutputsimultaneously,forbidopeningoutputpin(0v)touseassingleoutput. vin (vdc) cin ( f) vout (vdc) cout ( f) 5 4.7 5 4.7 12 2.2 9 2.2 24 1 12 1 -- -- 15 0.47
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