dc/dc converter b_(x)t-2wseries 2014.05.22-b/1 page1of4 mornsunguangzhouscience&technologyco.,ltd.reservesthecopyrightandrightoffinalinterpretation 2w,fixedinputvoltage,isolated&unregulatedsingle output patentprotection rohs features l miniaturesmdpackage l isolationvoltage:1kvdc l operatingtemperaturerange:-40 +85 l good temperature characteristic l internalsurfacemounteddesign l noexternalcomponentrequired l internationalstandardpin-out b_(x)t-2wseriesisspeciallydesignedforapplicationswhereanisolatedvoltageisrequiredinadistributedpowersupplysystem.itissuitable for: 1.wherethevoltageoftheinputpowersupplyisstable(voltagevariation: 10%vin); 2.whereisolationisnecessarybetweeninputandoutput(isolationvoltage 1000vdc); 3.wheredonothashighrequirementoflineregulation,loadregulationandtheripple&noiseoftheoutputvoltage; suchas:puredigitalcircuits,lowfrequencyanalogcircuits,andigbtpowerdevicedrivingcircuits. selectionguide partno. inputvoltage(vdc) output efficiency (%, min./t yp.) @fullload max.capacitive load ( f) nominal (range) outputvoltage (vdc) outputcurrent (ma)(max./min.) b0303xt-2w 3.3 (2.97-3.63) 3.3 400/40 70/74 220 b0309xt-2w 9 222/23 79/83 b0503t-2w 5 (4.5-5.5) 3.3 400/40 67/71 b0505(x)t-2w 5 400/40 76/80 b0509t-2w 9 222/23 75/79 b0512t-2w 12 167/17 75/79 b0515(x)t-2w 15 133/14 76/80 b1205(x)t-2w 12 (10.8-13.2) 5 400/40 74/78 b1212(x)t-2w 12 167/17 76/80 b1215(x)t-2w 15 133/14 77/81 b1224t-2w 24 84/8 83/87 B1515T-2W 15 (13.5-16.5) 15 133/14 81/85 b2405(x)t-2w 24 (21.6-26.4) 5 400/40 74/78 b2412(x)t-2w 12 167/17 76/80 b2415t-2w 15 133/14 77/81 b2424t-2w 24 84/9 76/80 input s pecifications item operating c onditions min. typ. max. unit input c urrent (full load / no - load) 3.3 v input -- 730/60 -- ma 5v input -- 507/55 -- 12v input -- 214/30 -- 15v input -- 157/20 -- 24v input -- 107/15 -- surge voltage (1sec. max.) 3.3 v input -0.7 -- 5 vdc 5v input -0.7 -- 9 12v input -0.7 -- 18
dc/dc converter b_(x)t-2wseries 2014.05.22-b/1 page2of4 mornsunguangzhouscience&technologyco.,ltd.reservesthecopyrightandrightoffinalinterpretation surge voltage (1sec. max.) 15v input -0.7 -- 21 vdc 24v input -0.7 -- 30 input f ilter capacitor filter outputspecifications item operating c onditions min. typ. max. unit output v oltage a ccuracy see tolerance envelope graph (fig. 1) line r egulation input voltage change: 1% -- -- 1.2 -- load r egulation 10%-100% load 3.3 vdc output -- 12 20 % 5vdc output -- 12.8 15 9vdc output -- 8.3 15 12vdc output -- 6.8 15 15vdc output -- 6.3 15 24vdc output -- 6.3 15 ripple & n oise* 20mhz bandwidth -- 100 200 mvp-p temperature d rift c oefficient 100% load -- -- 0.03 %/ output s hort c ircuit p rotection ** -- -- 1 s note:1.*rippleandnoisetestedwith parallelcable method,pleasesee dc-dcconverterapplicationnotes forspecificoperationmethods. 2.**supplyvoltagemustbediscontinuedattheendofshortcircuitduration. generalspecifications item operating c onditions min. typ. max. unit isolation v oltage input-output, with the test time of 1 minute and the leak current lower than 1ma 1 000 -- -- vdc isolation r esistance input-output, i so lation voltage 500vdc 1000 -- -- m isolation c apacitance input-output, 100khz/0.1v b2424(x)t-2w -- 100 -- pf other models -- 30 -- operating t emperature derating if the temperature 85 (see fig. 2) -40 -- 85 storage t emperature -55 -- 125 casing temperature rise ta=25 -- 25 -- pin w elding r esistance t emperature welding spot is 1.5mm away from the casing, 10 seconds -- -- 300 r eflow s oldering t emperature peak temp. 245 , maximum duration time 60s at 217 . for actual application, please refer to ipc/jedec j-std-020d.1. storage h umidity non-condensing -- -- 95 % switching f requency 100% load, nominal input voltage -- 5 00 -- khz mtbf mil-hdfk-217f@25 3500 -- -- k hours physicalspecifications casingmaterial blackflame-retardantheat-proofepoxyresin(ul94-v0) packagedimensions 12.70*11.20*6.25mm weight 1.4g(typ.) coolingmethod freeairconvection emcspecifications emi conducted disturbance cispr22/en55022 class a (see fig. 5 for recommended circuit) ems electrostatic discharge iec/en61000-4-2 contact 6 kv perf. criteria b
dc/dc converter b_(x)t-2wseries 2014.05.22-b/1 page3of4 mornsunguangzhouscience&technologyco.,ltd.reservesthecopyrightandrightoffinalinterpretation productcharacteristiccurve tolerance envelope graph +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 percentage(%) t y p i c a l l o a d c u r v e 70 (nominal input voltage) fig.1 120 100 80 60 40 20 0 -40 0 40 85 105 120 output power percentage(%) ambient temperature() safe operating area temperature derating graph fig.2 b0505(x)t-2w 50 55 60 65 70 75 80 85 90 95 100 4 . 6 4 . 7 4 . 8 4 . 9 5 . 0 5 . 1 5 . 2 5 . 3 5 . 4 5 . 5 efficiency(%) input voltage (v) efficiency vs input voltage (full load) b0505(x)t-2w 0 10 20 30 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 efficiency(%) output current percentage(%) efficiency vs output load(vin=5 v) b2405(x)t-2w 50 55 60 65 70 75 80 85 90 95 100 22 . 0 22 . 5 23 . 0 23 . 5 24 . 0 24 . 5 25 . 0 25 . 5 26 . 0 26 . 5 efficiency(%) input voltage (v) efficiency vs input voltage (full load) b2405(x)t-2w 0 10 20 30 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 efficiency(%) output current percentage(%) efficiency vs output load(vin=24 v) design r eference 1.typicalapplication ifitisrequiredtofurtherreduceinputandoutputripple,afiltercapacitorcanbeconnectedtotheinputandoutputterminals,seefig.3. moreover,choosingsuitablefiltercapacitorisveryimportant,start-upproblemsmaybecausedbytoolargecapacitance.toensuredthe modulesrunningwell,therecommendedcapacitiveloadvaluesasshownintable1. thesimplestdeviceforoutputvoltageregulation,over-voltageandover-currentprotectionisalinearvoltageregulatorwithoverheat protectionthatisconnectedtotheinputoroutputendinseries(seefig.4). vin gnd +vo 0v dc cin dc cout fig.3 vin gnd 0v +vo dc dc reg reg fig.4 recommendedcapacitiveloadvaluetable(table1) vin(vdc) cin( f) vo(vdc) cout( f) 3.3 4.7 3.3 10 5 4.7 5 10 12 2.2 9 2.2 15 1 12 2.2 24 0.47 15 1 -- -- 24 0.47 itisnotrecommendedtoconnectanyexternalcapacitorwhenoutputpowerislessthan0.5w.
dc/dc converter b_(x)t-2wseries 2014.05.22-b/1 page4of4 mornsunguangzhouscience&technologyco.,ltd.reservesthecopyrightandrightoffinalinterpretation 2.emctypicalrecommendedcircuit vin gnd +vo 0v dc/dc load c1 vin gnd c2 fig.5 inputvoltage(vdc) 3.3/5/12/15 24 emi c1 2.2 f/50v 4.7 f/50v c2 refertothecoutinfig.3 3.outputloadrequirements toensurethemoduleworkefficientlyandreliably,duringtheoperation,themin.outputloadshouldbenolessthan10%ofthefullload.if the actualoutputpowerislow,pleaseconnectaresistertotheoutputterminalinparallel,witharecommencedresistancewhichis10%of the ratedpower,andderatingisrequiredduringoperation. 4.formoreinformationpleasefindtheapplicationnoteson www.mornsun-power.com d imensions and r ecommended l ayout notes: 1. packing information please refer to 'product packing information'. packing bag number: 58200021 ; 2. if the product is operated under the min. required load, the product performance cannot be guaranteed to comply with all performanceindexesinthisdatasheet; 3. themax.capacitiveloadshouldbetestedwithintheinputvoltagerangeandunderfullloadconditions; 4. unless otherwise specified, data in this data sheet should be tested under the conditions of ta=25 c, humidity<75% when inputting nominalvoltageandoutputtingratedload; 5. allindextestingmethodsinthisdatasheetarebasedonourcompany scorporatestandards; 6. theperformanceindexesoftheproductmodelslistedinthismanualareasabove,butsomeindexesofnon-standardmodelproducts willexceedtheabove-mentionedrequirements,andpleasedirectlycontactourtechniciansforspecificinformation; 7. wecanprovideproductcustomizationservice; 8. specificationsofthisproductaresubjecttochangeswithoutpriornotice. mornsunguangzhouscience&technologyco.,ltd. address:no.5,kehuist.1,kehuidevelopmentcenter,scienceave.,guangzhousciencecity,luogangdistrict,guangzhou,p.r.china tel:86-20-38601850-8801 fax:86-20-38601272 e-mail: info@mornsun.cn
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