dc/dc converter b_rn-1wr2&b_rt-1wr2series 2014.05.06-a/0 page1of4 mornsunguangzhouscience&technologyco.,ltd.reservesthecopyrightandrightoffinalinterpretation 1w,fixedinputvoltage,isolated&unregulatedsingle output patentprotection rohs features l compactsize,ultra-thinpackage l continuousshortcircuitprotection l isolationvoltage:1.5kvdc l operating temperature range: -40 to +105 l excellenttemperatureperformance l internationalstandardpin-out b_rn-1wr2&b_rt-1wr2seriesisspeciallydesignedforapplicationswhereanisolatedvoltageisrequiredinadistributedpowersupply system.itissuitablefor 1.wherethevoltageoftheinputpowersupplyisstable(voltagevariation: 10%vin); 2.whereisolationisnecessarybetweeninputandoutput(isolationvoltage 1500vdc); 3.wheredonothashighrequirementoflineregulationandloadregulation; 4.suchas:puredigitalcircuits,lowfrequencyanalogcircuits,relay-drivencircuitsanddataswitchingcircuits. selection guide partno. inputvoltage(vdc) output efficiency(%, min./t yp.) @fullload max.capacitiveload ( f) nominal (range) outputvoltage (vdc) outputcurrent (ma)(max./min.) B0505RN-1WR2 5 (4.5-5.5) 5 200/20 72/76 220 b0505rt-1wr2 5 200/20 72/76 input s pecifications item operating c onditions min. typ. max. unit input c urrent (no - load /full load ) 5v input -- 25 / 2 50 -- ma surge voltage (1sec. max.) 5v input -0.7 -- 9 vdc reflected r ipple c urrent 5v input -- 15 -- ma 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 -- 12 15 % ripple & n oise* 20mhz bandwidth -- 60 100 mvp-p temperature d rift c oefficient 100% load -- -- 0.03 %/ c output s hort c ircuit p rotection con tinuous , self-recovery note:*rippleandnoisetestedwith parallelcable method,pleasesee dc-dcconverterapplicationnotes forspecificoperationmethods. general s pecifications item operating c onditions min. typ. max. unit is o lation v oltage input-output, with the test time of 1 minute and the leak current lower than 1ma 15 00 -- -- vdc is o lation r esistance input-output, i s o lation voltage 500vdc 1000 -- -- m isolation c apacitance input-output, 100khz/0.1v -- 2 0 -- pf operating t emperature derating if the temperature 85 c, (see fig. 2) -40 -- 105 c storage t emperature -55 -- 125 casing temperature rise ta=25 c -- 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 , 60 sec max at 217 , please refer to ipc/jedec j-std-020d.1 for actual application .
dc/dc converter b_rn-1wr2&b_rt-1wr2series 2014.05.06-a/0 page2of4 mornsunguangzhouscience&technologyco.,ltd.reservesthecopyrightandrightoffinalinterpretation storage h umidity non-condensing -- -- 95 % switching f requency 100% load, nominal input voltage -- 100 300 khz mtbf mil-hdfk-217f@25 c 3500 -- -- k hours physicalspecifications casingmaterial blackflame-retardantheat-proofepoxyresin(ul94-v0) packagedimensions b_rn-1wr2 19.50*9.50*4.68mm b_rt-1wr2 19.50*10.53*5.00mm weight 1.4g(typ.) coolingmethod freeairconvection emc s pecifications emi conducted disturbance cispr22/en55022 class b (see fig. 4 for recommended circuit) radiated emission cispr22/en55022 class b (see fig. 4 for recommended circuit) ems electrostatic discharge iec/en61000-4-2 contact 6 kv air 8 kv perf. criteria b product c haracteristic c urve 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 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 fig.2 b0505rn(rt)- 1wr2 50 55 60 65 70 75 80 85 90 95 100 4 . 5 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) b0505rn(rt)- 1wr2 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=vin-nominal ) design r eference 1.typicalapplication ifitisrequiredtofurtherreduceinputandoutputripple,afiltercapacitorcanbeconnectedtotheinputandoutputterminals,seefig.3. moreover,choosingsuitablefiltercapacitorisveryimportant,start-upproblemsmaybecausedbytoolargecapacitance.toensuredthe modulesrunningwell,therecommendedcapacitiveloadvaluesasshownintable1. vin gnd +vo 0v dc cin dc cout fig.3 recommendedcapacitiveloadvaluetable(table1) vin(vdc) cin( f) vo(vdc) cout( f) 5 4.7 5 10 itisnotrecommendedtoconnectanyexternalcapacitorwhen outputpowerislessthan0.5w.
dc/dc converter b_rn-1wr2&b_rt-1wr2series 2014.05.06-a/0 page3of4 mornsunguangzhouscience&technologyco.,ltd.reservesthecopyrightandrightoffinalinterpretation 2.emctypicalrecommendedcircuit(classb) vin gnd +vo 0v dc/dc load ldm c0 vin gnd c1 fig.4 inputvoltage(v) 5 emi c0 4.7 f/50v c1 10 f/50v ldm 6.8 h 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 b_rn-1wr2series
dc/dc converter b_rn-1wr2&b_rt-1wr2series 2014.05.06-a/0 page4of4 mornsunguangzhouscience&technologyco.,ltd.reservesthecopyrightandrightoffinalinterpretation b_rt-1wr2series notes: 1. packinginformationpleasereferto'productpackinginformation'.packingbagnumber:58200027; 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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