thecopyrightandauthorityfortheinterpretationoftheproductsarereservedbymornsun if_s-2w 2013.11.21 -a/3 page1of3 features l smallfootprint l sippackage l 3kvdcisolation l temperaturerange:-40 cto+85 c l noheatsinkrequired l internalsmdconstruction l noexternalcomponentrequired l industrystandardpinout l rohscompliance applications theif_s-2wseriesarespeciallydesignedforapplications whereagroupofpolarpowersuppliesareisolatedfromthe inputpowersupplyinadistributedpowersupplysystemona circuitboard. theseproductsapplyto: 1)wherethevoltageoftheinputpowersupplyisfixed (voltagevariation ? 5%); 2) whereisolationisnecessarybetweeninputandoutput (isolationvoltage 3000vdc); 3)wheretheregulationoftheoutputvoltageandtheoutput ripplenoisearedemanded. if_s-2wseries 2w,fixedinput,isolated®ulated singleoutputdc-dcconverter patentprotectionrohs modelselection product series input voltage output voltage package style rated power productprogram model inputvoltage (vdc) outputvoltage (vdc) outputcurrent (ma) inputcurrent (ma)(typ.) efficiency(%) @max.load nominal range max. min. @max. load @no load min. typ. if0505s-2w 5 4.75-5.25 5 400 40 579 25 65 69 IF1205S-2W 12 11.4-12.6 5 400 40 238 20 66 70 if2405s-2w 24 22.8-25.2 5 400 40 119 8 66 70 output specifications item testcondition min. typ. max. unit lineregulation forvinchangeof 5% -- -- 0.5 % loadregulation 10%to100%load -- 1 2 outputvoltageaccuracy 100%load -- -- 3 temperaturedrift 100%load -- -- 0.03 %/ outputripple* 20mhzbandwidth -- 20 30 mvp-p outputnoise* 20mhzbandwidth 50 150 *testrippleandnoiseby parallelcable method. seedetailedoperationinstructionsatdc-dcapplicationnotes. commonspecification item testconditions min. typ. max. unit storagehumidityrange noncondensing -- -- 95 % operatingtemperature -40 -- 85 storagetemperature -55 -- 125 leadtemperature ta=25 c -- 40 60 temp.riseatfullload 1.5mmfromcasefor10seconds -- -- 300 cooling freeairconvection casematerial plastic(ul94-v0) shortcircuitprotection continuous switchingfrequency 100%load,nominalinput -- 100 300 khz mtbf mil-hdbk-217f@25 3500 -- -- khours weight -- 2.4 -- g
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedbymornsun if_s-2w 2013.11.21 -a/3 page2of3 isolationspecifications item testcondition min. typ. max. unit isolationvoltage input-output,testedfor1minuteandleakagecurrent lessthan1ma 3000 -- -- vdc isolationresistance input-output,testat500vdc 1000 -- -- m isolationcapacitance input-output,100khz/0.1v -- 60 -- pf typicalcharacteristics operating temp.( ) c temperature derating graph outline dimensions & pin connections applicationnote 1) requirement on output load toensurethismodulecanoperateefficientlyandreliably,duringoperation,theminimumoutputloadcouldnotbelessthan10%ofthefullload. iftheactualoutputpowerisverysmall,pleaseconnectaresistorwithproperresistanceattheoutputendinparalleltoincreasetheload. 2)recommendedcircuit ifyouwanttofurtherdecreasetheinput/outputripple,an lc filteringnetworkmaybeconnectedtotheinputandoutputendsofthedc/dc converter,see(figure1). l vin gnd +vo 0v dc cin l dc cout (figure1)
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedbymornsun if_s-2w 2013.11.21 -a/3 page3of3 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 itshouldalsobenotedthattheinductanceandthefrequencyofthe lc filteringnetworkshouldbestaggeredwiththedc/dcfrequencytoavoid mutualinterference.however,thecapacitanceoftheoutputfiltercapacitormustbeproper.ifthecapacitanceistoobig,astartupproblemmight arise.foreverychannelofoutput,providedthesafeandreliableoperationisensured,thegreatestcapacitanceofitsfiltercapacitorsees(table1). externalcapacitortable(table1) it snotrecommendtoconnectanyexternalcapacitorintheapplicationfieldwithlessthan0.5wattoutput. 3)overloadprotection undernormaloperatingconditions,theoutputcircuitoftheseproductshasnoprotectionagainstover-currentandshort-circuits.thesimplest methodistoconnectaself-recoveryfuseinseriesattheinputendoraddacircuitbreakertothecircuit. 4)inputover-voltageprotectioncircuit thesimplestdeviceforinputover-voltageprotectionisalinearvoltageregulatorwithoverheatprotectionthatisconnectedtotheinputendin series(figure2). vin gnd reg +vo dc dc 0v (figure2) 5)whentheenvironmenttemperatureishigherthan71 c,theproductoutputpowershouldbelessthen60%oftheratedpower. 6)itisnotrecommendedtoincreasetheoutputpowercapabilitybyconnectingtwoormoreconvertersinparallel.theproductisnot hot-swappable. vin (vdc) cin ( f) vout (vdc) cout ( f) 5 4.7 5 4.7 12 2.2 -- -- 24 0.47 -- --
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