thecopyrightandauthorityfortheinterpretationoftheproductsarereservedbymornsun B0505KLD-1W 2013.09.05-a/0 page1of3 features 1kvdcisolation dippackage internalsmdconstruction operatingtemperaturerange: -40 ~+85 lowtemperaturerise noexternalcomponentrequired applications theB0505KLD-1Wisdesignedforapplicationwhereisolatedoutput isrequiredfromadistributedpowersystem. theseproductsapplytowhere: 1) inputvoltagevariation ? 10%; 2) 1kvdcinputandoutputisolation; 3) regulatedandlowripplenoiseisnotrequired. suchas:digitalcircuits,lowfrequencyanalogcircuits,andigbtpower devicedrivingcircuits. B0505KLD-1W fixedinput,isolated&unregulated singleoutputdc-dcconverter patentprotection rohs selection guide modelnumber inputvoltage(vdc) output voltage (vdc) outputcurrent(ma) inputcurrent(ma)(typ.) max.capacitive load( f) efficiency (%,typ.) @max.load nominal(range) max. min. @max. load @noload B0505KLD-1W 5.0(4.5-5.5) 5.0 200 20 287 30 220 70 input specifications item testconditions min. typ. max. unit inputsurgevoltage(1sec.max.) -0.7 -- 9 vdc inputfilter capacitancefilter output specifications item testconditions min. typ. max. unit lineregulation forvinchangeof 1% -- -- 1.2 % loadregulation 10%to100%load -- 12 15 temperaturedrift 100%load -- -- 0.03 %/ c ripple&noise* 20mhzbandwidth -- 75 100 mvp-p shortcircuitprotection 1s note:*rippleandnoisetestedby parallelcable method.seedetailedoperationinstructionsattestingofpowerconvertersection,applicationnotes. common specifications item testconditions min. typ. max. unit isolationvoltage testedfor1minuteandleakagecurrentlessthan1ma 1000 -- -- vdc isolationresistance testat500vdc 1000 -- -- m isolationcapacitance input/output,100khz/0.1v -- 30 -- pf switchingfrequency 100%load,nominalinput -- 100 -- khz mtbf mil-hdbk-217f@25 3500 -- -- khours casematerial plastic ul94-v0 weight -- 2.1 -- g environmental specifications item testconditions min. typ. max. unit storagehumidity noncondensing -- -- 95 %
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedbymornsun B0505KLD-1W 2013.09.05-a/0 page2of3 operatingtemperature powerderating(above85 ) -40 -- 85 c storagetemperature -55 -- 125 temp.riseatfullload ta=25 c -- 25 -- leadtemperature 1.5mmfromcasefor10seconds -- -- 300 cooling freeairconvection emcspecifications emi ce cispr22/en55022 classa externalcircuitrefertofigure1 ems esd iec/en61000-4-2 contact 8kv perf.criteriab emc recommended circuit emirecommendedexternalcircuit classa vin gnd +vo 0v eut load c1 vin gnd (figure1) recommendedexternalcircuitparameters: c1 1 f/50v product typical curve tolerance envelope curve +10% +5% 50 100 +2.5% -2.5% -7.5% rated output voltage o u t p u t v o l t a g e ( % ) a c c u r a c y output current percent(%) t y p i c a l l o a d l i n e 70 (nominal input voltage) 120 100 80 60 40 20 0 -40 0 40 85 105120 o u t p u t p o w e r p e r c e n t ( % ) ambient temp.() temperature derating curve safe operating area outlinedimensions,recommendedfootprint&packaging
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedbymornsun B0505KLD-1W 2013.09.05-a/0 page3of3 note: 1.operationunderminimumloadwillnotdamagetheconverter;however,theymaynotmeetallspecificationlisted. 2.max.capacitiveloadtestedatinputvoltagerangeandfullload. 3.alldateinthedatasheetaremeasuredaccordingtonominalinputvoltage,ratedoutputload,ta=25 ,humidity<75%,unlessotherwisespecified. 4.inthisdatasheet,allthetestmethodsofindicationsarebasedonourcorporatestandards. 5.theperformanceinthedatasheetisjustfitforthepartnumberintheselectionguide,andmaybedifferentfromthecustomer-designedproduct, youcangetmoredetailsfrommornsunfae. 6.contactusforyourspecificrequirement. 7.specificationssubjecttochangewithoutpriornotice. mornsunscience&technologyco.,ltd. address:no.5,kehuist.1,kehuidevelopmentcenter,scienceave.,guangzhousciencecity,luogangdistrict,guangzhou,p.r.china. tel:86-20-38601850 fax:86-20-38601272 http://www.mornsun-power.com designconsiderations 1)requirementonoutputload toensurethismodulecanoperateefficientlyandreliably,duringoperation,theminimumoutputloadisnotlessthan5%ofthefullload.ifthe actualoutputpowerisverysmall,pleaseconnectaresistorwithproperresistanceattheoutputendinparalleltoincreasetheload,oruseour company sproductswithalowerratedoutputpower. 2)overloadprotection undernormaloperatingconditions,theoutputcircuitoftheseproductshasnoprotectionagainstoverload.thesimplestmethodistoadda circuitbreakertothecircuit. 3)recommendedcircuit ifyouwanttofurtherdecreasetheinput/outputripple,acapacitorfilteringnetworkmaybeconnectedtotheinputandoutputendsofthedc/dc converter,see(figure2). itshouldalsobenotedthatthecapacitanceoffiltercapacitormustbeproper.ifthecapacitanceistoobig,astartupproblemmightarise.for everychannelofoutput,providedthesafeandreliableoperationisensured,therecommendedcapacitanceofitsfiltercapacitorsees(figure2). vin gnd +vo 0v dc cin dc cout f 4.7 10 f (figure2) it snotrecommendedtoconnectanyexternalcapacitorintheapplicationfieldwithlessthan0.5wattoutput. 4)theinputandtheoutputoftheproductarerecommendedtobeconnectedtoceramiccapacitororelectrolyticcapacitor. usingtantalumcapacitormaycauseriskoffailure 5)cannotuseinparallelandhotswap
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