dc/dc converter f_xt-1wseries 2014.05.22-a/2 page1of3 mornsunguangzhouscience&technologyco.,ltd.reservesthecopyrightandrightoffinalinterpretation 1w,fixedinputvoltage,isolated&unregulatedsingle output patentprotection rohs features l efficiencyupto79% l isolationvoltage:3kvdc l operatingtemperaturerange:-40 to+85 l smd package l internalsurfacemounteddesign l internationalstandardpin-out f_xt-1wseriesisspeciallydesignedforapplicationswhereanisolatedvoltageisrequiredinadistributedpowersupplysystem.itissuitable for 1.wherethevoltageoftheinputpowersupplyisstable(voltagevariation: 10%vin); 2.whereisolationisnecessarybetweeninputandoutput(isolationvoltage 3000vdc); 3.wheredonothashighrequirementoflineregulation,loadregulationandtheripple&noiseoftheoutputvoltage; suchas:puredigitalcircuits,lowfrequencyanalogcircuits,andigbtpowerdevicedrivingcircuits. selection guide partno. inputvoltage(vdc) output efficiency (%, min./t yp.) @fullload max.capacitive load ( f) nominal (range) outputvoltage (vdc) outputcurrent (ma)(max./min.) f0303xt-1w 3.3 (2.97-3.63) 3.3 303/31 69/73 220 f0305xt-1w 5 200/20 70/74 F0505XT-1W 5 (4.5-5.5) 5 200/20 73/77 f0512xt-1w 12 83/9 75/79 f0515xt-1w 15 67/7 74/78 f1205xt-1w 12 (10.8-13.2) 5 200/20 65/69 input specifications item operating conditions min. typ. max. unit input current (full load / no-load) 3.3v input -- 415/40 -- ma 5v input -- 278/25 -- 12v input -- 121/15 -- surge voltage (1sec. max.) 3.3v input -0.7 -- 5 vdc 5v input -0.7 -- 9 12v input -0.7 -- 18 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 3.3vdc output -- 15 20 % 5vdc output -- 12.5 15 12vdc output -- 6.8 10 15vdc output -- 6.3 10 ripple & noise* 20mhzbandwidth -- 75 100 mvp-p temperature drift coefficient 100% load -- -- 0.03 %/ output short circuit protection** -- -- 1 s note:1.*rippleandnoisetestedwith parallelcable method,pleasesee dc-dcconverterapplicationnotes forspecificoperationmethods. 2.**supplyvoltagemustbediscontinuedattheendofshortcircuitduration.
dc/dc converter f_xt-1wseries 2014.05.22-a/2 page2of3 mornsunguangzhouscience&technologyco.,ltd.reservesthecopyrightandrightoffinalinterpretation 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 3000 -- -- 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 85 , (see fig. 2) -40 -- 85 storage temperature -55 -- 125 casing temperature rise ta=25 -- 15 25 pin welding resistance temperature welding spot is 1.5mm away from the casing, 10 seconds -- -- 260 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 -- khz mtbf mil-hdfk-217f@25 c 3500 -- -- k hours physical specifications casingmaterial blackflame-retardantheat-proofepoxyresin(ul94-v0) packagedimensions 12.70*11.20*6.25mm weight 1.4g(typ.) coolingmethod freeairconvection 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 105120 output power percentage(%) ambient temperature() safe operating area temperature derating graph fig.2 design reference 1.typicalapplication ifyouwanttofurtherdecreasetheinput/outputripple,an lc filteringnetworkmaybeconnectedtotheinputandoutputendsofthe dc/dcconverter,see(figure3). itshouldalsobenotedthattheinductanceandthefrequencyofthe lc filteringnetworkshouldbestaggeredwiththedc/dc frequencytoavoidmutualinterference.moreover,choosingsuitablefiltercapacitorisveryimportant,start-upproblemsmaybecaused bytoolargecapacitance.toensuredthemodulesrunningwell,therecommendedcapacitiveloadvaluesasshownintable1. thesimplestdeviceforoutputvoltageregulation,over-voltageandover-currentprotectionisalinearvoltageregulatorwithoverheat protectionthatisconnectedtotheinputoroutputendinseries(seefig.4). l vin gnd +vo 0v dc cin l dc cout fig.3 vin gnd 0v +vo dc dc reg reg fig.4 recommendedcapacitiveloadvaluetable(table1) vin (vdc) cin ( f) vout (vdc) cout ( f) 3.3/5 4.7 3.3/5 10 12 2.2 12 2.2 -- -- 15 1 itisnotrecommendedtoconnectanyexternalcapacitorwhenoutputpowerislessthan0.5w.
dc/dc converter f_xt-1wseries 2014.05.22-a/2 page3of3 mornsunguangzhouscience&technologyco.,ltd.reservesthecopyrightandrightoffinalinterpretation 2.outputloadrequirements toensurethemoduleworkefficientlyandreliably,duringtheoperation,themin.outputloadshouldbenolessthan10%ofthefullload.if theactualoutputpowerislow,pleaseconnectaresistertotheoutputterminalinparallel,witharecommencedresistancewhichis10%of theratedpower,andderatingisrequiredduringoperation. 3.formoreinformationpleasefindtheapplicationnoteson www.mornsun-power.com dimensionsandrecommendedlayout notes: 1. packinginformationpleasereferto'productpackinginformation'.packingbagnumber:58210023; 2. iftheproductisoperatedunderthemin.requiredload,theproductperformancecannotbeguaranteedtocomplywithall performanceindexesinthisdatasheet; 3. themax.capacitiveloadshouldbetestedwithintheinputvoltagerangeandunderfullloadconditions; 4. unlessotherwisespecified,datainthisdatasheetshouldbetestedundertheconditionsofta=25 c,humidity<75%wheninputting 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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