dc/dc converter a_xt-1wr2series 2014.05.22-a/1 page1of4 mornsunguangzhouscience&technologyco.,ltd.reservesthecopyrightandrightoffinalinterpretation 1w,fixedinputvoltage,isolated&unregulated dualoutput patentprotection rohs features l efficiencyupto82% l isolationvoltage:1.5kvdc l operatingtemperaturerange:-40 to+105 l miniature smd package l internalsurfacemounteddesign l noexternalcomponentrequired l internationalstandardpin-out a_xt-1wr2seriesisspeciallydesignedforapplicationswhereanisolatedvoltageisrequiredinadistributedpowersupplysystem.itis suitablefor 1.wherethevoltageoftheinputpowersupplyisstable(voltagevariation: 10%vin); 2.whereisolationisnecessarybetweeninputandoutput(isolationvoltage 1500vdc); 3.wheredonothashighrequirementoflineregulation,loadregulationandtheripple&noiseoftheoutputvoltage; suchas:puredigitalcircuits,lowfrequencyanalogcircuits,andrelay-drivencircuits. selectionguide partno. inputvoltage(vdc) output efficiency (%, min./t yp.) @fullload max.capacitive load ( f) nominal (range) outputvoltage (vdc) outputcurrent(ma) (max./min.) A0305XT-1WR2 3.3 (2.97-3.63) 5 100/ 10 74/78 100 a0312xt-1wr2 12 42/ 5 74/78 a0315xt-1wr2 15 33/ 3 74/78 a0505xt-1wr2 5 (4.5-5.5) 5 100/ 10 76/80 a0509xt-1wr2 9 56/ 6 76/80 a0512xt-1wr2 12 42/ 5 77/81 a0515xt-1wr2 15 33/ 3 77/81 a0524xt-1wr2 24 21/ 2 77/81 a1205xt-1wr2 12 (10.8-13.2) 5 100/ 10 76/80 a1209xt-1wr2 9 56/ 6 76/80 a1212xt-1wr2 12 42/ 5 77/81 a1215xt-1wr2 15 33/ 3 77/81 a1224xt-1wr2 24 21/ 2 77/81 a1515xt-1wr2 15 (13.5-16.5) 15 33/ 3 77/81 a2405xt-1wr2 24 (21.6-26.4) 5 100/ 10 76/80 a2409xt-1wr2 9 56/ 6 76/80 a2412xt-1wr2 12 42/ 5 77/81 a2415xt-1wr2 15 33/ 3 78/82 a2424xt-1wr2 24 21/ 2 78/82 inputspecifications item operating conditions min. typ. max. unit input current (full load / no-load) 3.3vdc input -- 389/25 -- ma 5vdc input -- 250/20 -- input current (full load / no-load) 12vdc input -- 104/15 -- ma 15vdc input -- 83/12 -- 24vdc input -- 52/10 --
dc/dc converter a_xt-1wr2series 2014.05.22-a/1 page2of4 mornsunguangzhouscience&technologyco.,ltd.reservesthecopyrightandrightoffinalinterpretation surge voltage (1sec. max.) 3.3vdc input -0.7 -- 5 vdc 5vdc input -0.7 -- 9 12vdc input -0.7 -- 18 15vdc input -0.7 -- 21 24vdc input -0.7 -- 30 reflected ripple current -- 15 -- ma input filter capacitor filter output specifications item operating conditions min. typ. max. unit output voltage accuracy see tolerance envelope graph (fig. 1) line regulation input voltage change: 1% -- -- 1.2 -- load regulation 10%-100% load 5vdc output -- 12 -- % 9vdc output -- 9 -- 12vdc output -- 8 -- 15vdc output -- 7 -- 24vdc output -- 6 -- ripple & noise* 20mhz bandwidth -- 60 -- mvp-p temperature drift coefficient 100% load -- -- 0.03 %/ output short circuit protection 3.3/5/12/15vdc input continuous, self-recovery 24vdc input -- -- 1 s notes:*rippleandnoisetestedwith parallelcable method,pleasesee dc-dcconverterapplicationnotes forspecificoperationmethods. **supplyvoltagemustbediscontinuedattheendofshortcircuitdurationfor24vinput. generalspecifications item operating conditions min. typ. max. unit isolation voltage input-output, with the test time of 1 minute and the leak current lower than 1ma 1500 -- -- vdc isolation resistance input-output, isolation voltage 500vdc 1000 -- -- m isolation capacitance input-output, 100khz/0.1v -- 20 -- pf operating temperature derating if the temperature 100 , (see fig. 2) -40 -- 105 storage temperature -55 -- 125 casing temperature rise ta=25 -- 25 -- pin welding resistance temperature welding spot is 1.5mm away from the casing, 10 seconds -- -- 300 reflow soldering temperature peak temp. 245 , maximum duration time 60s at 217 . for actual application, please refer to ipc/jedec j-std-020d.1. storage humidity n on-condensing -- -- 95 % switching frequency 100% load, nominal input voltage -- 100 300 khz mtbf mil-hdfk-217f@25 3500 -- -- k hours physicalspecifications casingmaterial blackflame-retardantheat-proofepoxyresin(ul94-v0) packagedimensions 15.24*11.20*7.25mm weight 1.8g(typ.) coolingmethod freeairconvection emc specifications emi conducted disturbance cispr22/en55022 class b (see fig. 5 for recommended circuit) radiated emission cispr22/en55022 class b (see fig. 5 for recommended circuit) ems electrostatic discharge iec/en61000-4-2 contact 6kv perf. criteria b
dc/dc converter a_xt-1wr2series 2014.05.22-a/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 40 100 105 output power percent(%) environment temp.() temperature derating curve safe operating area fig.2 a0505xt-1wr2 50 55 60 65 70 75 80 85 90 95 100 4.54.6 4.7 4.8 4.9 5 5.1 5.2 5.35.4 5.5 efficiency(%) input voltage(v) efficiency vs input voltage (full load) a0505xt-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) a1205xt-1wr2 50 55 60 65 70 75 80 85 90 95 100 10.8 11.1 11.4 11.7 12.0 12.3 12.6 12.9 13.2 efficiency(%) input voltage(v) efficiency vs input voltage (full load) a1205xt-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 reference 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 cout -vo fig.3 vin gnd 0v +vo dc dc -vo reg reg reg fig.4 recommendedcapacitiveloadvaluetable(table1) vin(vdc) cin( f) vo(vdc) cout( f) 3.3 4.7 5 4.7 5 4.7 9 2.2 12 2.2 12 1 15 2.2 15 1 24 1 24 0.47 itisnotrecommendedtoconnectanyexternalcapacitorwhenoutputpowerislessthan0.5w.
dc/dc converter a_xt-1wr2series 2014.05.22-a/1 page4of4 mornsunguangzhouscience&technologyco.,ltd.reservesthecopyrightandrightoffinalinterpretation 2.emctypicalrecommendedcircuit vin gnd +vo -v0 dc/dc load ldm c1 vin gnd c2 fig.5 inputvoltage(vdc) 3.3/5/15/12/24 emi c1 4.7 f/50v c2 refertothecoutinfig.3 ldm 6.8 h 3.outputloadrequirements toensurethemoduleworkefficientlyandreliably,duringtheoperation,themin.outputloadshouldbenolessthan10%ofthefullload.if theactualoutputpowerislow,pleaseconnectaresistertotheoutputterminalinparallel,witharecommencedresistancewhichis10%of theratedpower,andderatingisrequiredduringoperation. 4.formoreinformationpleasefindtheapplicationnoteson www.mornsun-power.com dimensions and recommended layout notes: 1. packinginformationpleasereferto'productpackinginformation'.packingbagnumber:58210023; 2. iftheproductisoperatedunderthemin.requiredload,theproductperformancecannotbeguaranteedtocomplywithall performanceindexesinthisdatasheet; 3. themax.capacitiveloadshouldbetestedwithintheinputvoltagerangeandunderfullloadconditions; 4. unless otherwise specified, data in this datasheet should be tested under the conditions of ta=25 c, humidity<75% when inputting nominalvoltageandoutputtingratedload; 5. allindextestingmethodsinthisdatasheetarebasedonourcompany scorporatestandards; 6. the performance indexes of the product models listed in this manual are as above, but some indexes of non-standard model products 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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