thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun a_m-1w&b_lm-1w 2013.08.30 - a/4 page1of4 features l efficiencyupto80% l miniaturesippackagestyle l temperaturerange:-40 cto+85 c l internalsmdconstruction l industrystandardpinout l noheatsinkrequired l noexternalcomponentrequired l rohscompliance applications thea_m-1w&b_lm-1wseriesarespeciallydesignedfor applicationswhereagroupofpolarpowersuppliesare isolatedfromtheinputpowersupplyinadistributedpower supplysystemonacircuitboard. theseproductsapplyto: 1)wherethevoltageoftheinputpowersupplyisfixed (voltagevariation ? 10%); 2)whereisolationisnecessarybetweeninputandoutput (isolationvoltage 1000vdc); 3) wheretheregulationoftheoutputvoltageandtheoutput ripplenoisearenotdemanding. suchas:purelydigitalcircuits,ordinarylowfrequencyanalog circuits,andigbtpowerdevicedrivingcircuits. a_m-1w&b_lm-1wseries 1w,fixedinput,isolated&unregulated dual/singleoutput,superminiaturesip package patentprotection rohs modelselection b0505lm-1w product series input voltage output voltage package rated power productprogram model input output efficiency (%,typ)output voltage(vdc) voltage (vdc) voltage voltage nominal range (vdc) min a0505m-1w 5 4.5-5.5 5 100 10 70 a0509m-1w 9 56 6 75 a0512m-1w 12 42 5 78 a0515m-1w 15 33 4 79 b0505lm-1w 5 200 20 70 b0509lm-1w 9 111 12 75 b0512lm-1w 12 83 9 79 b0515lm-1w 15 67 7 80 b0524lm-1w 24 42 5 84 a1205m-1w 12 10.8-13.2 5 100 10 72 a1209m-1w 9 56 6 75 a1212m-1w 12 42 5 77 b1205lm-1w 5 200 20 72 b1209lm-1w 9 111 12 75 b1212lm-1w 12 83 9 77 b1215lm-1w 15 67 7 79 b1224lm-1w 24 42 5 84 A2405M-1W 24 21.6-26.4 5 100 10 70 a2412m-1w 12 42 5 79 a2415m-1w 15 33 4 81 b2405lm-1w 5 200 20 70 b2409lm-1w 9 111 12 73 b2412lm-1w 12 83 9 75 b2415lm-1w 15 67 7 78 b2424lm-1w 24 42 5 77 note:modelslistedwithstrike-throughtexthavebeenofficiallydiscontinued.
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun a_m-1w&b_lm-1w 2013.08.30 - a/4 page2of4 outputspecification item testconditions min typ max unit outputpower 0.1 -- 1 w lineregulation forvinchangeof1% -- -- 1.2 % loadregulation 10%to100%fullload(5voutput) -- 10 15 10%to100%fullload(9voutput) -- 8.3 10 10%to100%fullload(12voutput) -- 6.8 10 10%to100%fullload(15voutput) -- 6.3 10 10%to100%fullload(24voutput) -- 5 10 temperaturedrift 100%fullload -- -- 0.03 %/ c outputvoltageaccuracy seetoleranceenvelopegrap ripple&noise* 20mhzbandwidth(axxxxm-1w) -- 50 75 mvp-p 20mhzbandwidth(bxxxxlm-1w) -- 75 100 switchingfrequency 100%load,nominalinput(5v,12v) -- 100 -- khz 100%load,nominalinput(24v) -- 500 -- * testrippleandnoiseby parallelcable method.seedetailedoperationinstructionsatdc-dcapplicationnotes. commonspecification item testconditions min typ max unit storagehumidity -- -- 95 % operatingtemperature -40 -- 85 c storagetemperature -55 -- 125 temp.riseatfullload -- 15 25 leadtemperature 1.5mmfromcasefor10seconds -- -- 300 cooling freeairconvection casematerial plastic(ul94-v0) shortcircuitprotection* -- -- 1 s mtbf 350 -- -- khours weight -- 2.1 -- g * supplyvoltagemustbediscontinuedattheendofshortcircuitduration. isolationspecifications item testconditions min typ max unit isolationvoltage testedfor1minuteand1mamax 1000 -- -- vdc isolationresistance testat500vdc 1000 -- -- m typicalcharacteristics operating temp.(c) o
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun a_m-1w&b_lm-1w 2013.08.30 - a/4 page3of4 outlinedimensions&pinconnections applicationnote 1)requirementonoutputload toensurethismodulecanoperateefficientlyandreliably,aminimumloadisspecifiedforthiskindofdc/dcconverterinadditiontoamaximumload (namelyfullload).duringoperation,makesurethespecifiedrangeofinputvoltageisnotexceededtheminimumoutputloadcouldnotbelessthan10%of thefullload.iftheactualoutputpowerisverysmall,pleaseconnectaresistorwithproperresistanceattheoutputendinparalleltoincreasetheload,oruse ourcompany sproductswithalowerratedoutputpower(a_m C w2&b_lm-w2series). 2)overloadprotection undernormaloperatingconditions,theoutputcircuitoftheseproductshasnoprotectionagainstoverload.thesimplestmethodistoconnectaself- recoveryfuseinseriesattheinputendoraddacircuitbreakertothecircuit . 3)recommended testingandapplicationcircuit ifyouwanttofurtherdecreasetheinput/outputripple,an lc filteringnetworkmaybeconnectedtotheinputandoutputendsofthedc/dcconverter,see (figure1) . dual output single output vin gnd +vo 0v dc cin l l dc l cout cout -vo l vin gnd +vo 0v dc cin l dc cout (figure1) itshouldalsobenotedthattheinductanceandthefrequencyofthe lc filteringnetworkshouldbestaggeredwiththedc/dcfrequencytoavoidmutual interference.however,thecapacitanceoftheoutputfiltercapacitormustbeproper.ifthecapacitanceistoobig,astartupproblemmightarise.forevery channelofoutput,providedthesafeandreliableoperationisensured,therecommendedcapacitanceofitsfiltercapacitorsees(table1). externalcapacitortable(table1) it snotrecommendedtoconnectanyexternalcapacitorintheapplicationfieldwithlessthan0.5wattoutput. 4)outputvoltageregulationandover-voltageprotectioncircuit thesimplestdeviceforoutputvoltageregulation,over-voltageandover-currentprotectionisalinearvoltageregulatorwithoverheatprotectionthatis connectedtotheinputoroutputendinseries (figure2). vin (vdc) cin (uf) single vout (vdc) cout (uf) dual vout (vdc) cout (uf) 5 4.7 5 10 5 4.7 12 2.2 9 4.7 9 2.2 24 1 12 2.2 12 1 - - 15/24 1 15 0.47
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun a_m-1w&b_lm-1w 2013.08.30 - a/4 page4of4 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 vin gnd 0v +vo dc dc -vo reg reg reg dual output single output vin gnd 0v +vo dc dc reg reg (figure2) 5)itisnotrecommendedtoincreasetheoutputpowercapabilitybyconnectingtwoormoreconvertersinparallel.theproductisnothot- swappable.
|
