thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun specificationssubjecttochangewithoutnotice. LI72-20B24 2013.09.26-a/0 page1of3 selection guide model package power output(vo/io) max.capacitive load rippleand noise (max.) efficiency (230vac,typ) standbypower consumption (max) LI72-20B24 113*116*45mm 72w 24vdc/3a 2000 f 150mv 86% 0.5w input specifications item testconditions min. typ. max. unit inputvoltagerange acinput 165 -- 264 v dcinput 180 -- 370 inputfrequency 47 -- 63 hz inputcurrent 230vac -- -- 1.0 a inrushcurrent 230vac -- 50 -- output specifications item testconditions min. typ. max. unit outputvoltageaccuracy -- 3 -- % lineregulation fullload -- 0.5 -- loadregulation 10%~100%load -- 2 -- ripple&noise 20mhzbandwidth(p-p) -- 100 150 mv minload 1 -- -- % outputvoltagerangeregulation(adj) -- -- 5 hold-uptime 230vac -- 60 -- ms shortcircuitprotection continuous,andautorecovery overcurrentprotection 110~150%io,andautorecovery overvoltageprotection zenerdiodeclamp common specifications item testconditions min. typ. max. unit operatingtemperature -40 -- +70 storagetemperature -40 -- +85 storagehumidity -- -- 95 %rh temperaturecoefficient -- 0.02 -- %/ powerderating -40 ~-30 4.0 -- -- %/ +55 ~+70 2.5 -- -- rohs li72-20bxxseries din-railpowersupplies li72-20bxxisaseriesofdin-railgreenpowersupplieswithhighefficiency andexcellentprice/performanceratioprovidedbymornsun. thisseriesprovide stabilityandhighimmunityagainstelectricaldisturbanceforloadsinindustrial processcontrols,machinetoolsandotherequipmentexposedtoadifficultindustrial environment.compactsize,lightweight,standarddinrailinstallation(35mm)and otherfeaturesofthesesupplies,whichsavesalotofspaceforyourdesign. productfeatures 1.inputrange:165~264vac/180~370vdc 2.acanddcallinone(inputfromthesameterminal) 3.lowstandbypower,highefficiency,4000vacsafeisolation 4.lowrippleandnoise 5.protectionofoutputshortcircuit,over-current,over-voltage 6.perfectemcperformance,andsurgemeet 2kv/ 4kv partnumbersystem LI72-20B24
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun specificationssubjecttochangewithoutnotice. LI72-20B24 2013.09.26-a/0 page2of3 isolationresistance 100 -- -- m isolationvoltage input-output testedfor1minute 4000 -- -- vac input-fg 1500 -- -- output-fg 500 -- -- switchingfrequency -- 100 -- khz weight -- 340 -- g safetyclass classi hotswap support casematerialgrade metal+plastic ul94v-0 install ts-35/7.5orts-35/15rails cooling freeairconvection mtbf 250000h@25 note:1.rippleandnoisearemeasuredbythemethodofparallellines; 2.unlessotherwisespecified,allspecificationsabovearemeasuredatratedinputvoltageandratedoutputload,ta=25 o c,humidity<75%. emcspecifications emi ce cispr22/en55022,classb(withoutexternalcircuit) re cispr22/en55022,classb(withoutexternalcircuit) ems esd iec/en61000-4-2 contact 6kv/air 8kv perf.criteriab rs iec/en61000-4-3 10v/m perf.criteriaa eft iec/en61000-4-4 4kv(withoutexternalcircuit) perf.criteriab surge iec/en61000-4-5 2kv/ 4kv(withoutexternalcircuit) perf.criteriab cs iec/en61000-4-6 10vr.m.s perf.criteriaa pfm iec/en61000-4-8 10a/m perf.criteriaa voltagedips,shortand interruptionsimmunity iec/en61000-4-11 0%-70% perf.criteriab parallel lines measure ac/dc +vo -vo fuse ac(l) ac(n) 25.4mm 25.4mm c1 c2 12.7mm ac(l) ac(n) copper sheet connect oscillograph probe load note:c1:1 f(ceramiccapacitor) c2:10 f(electrolyticcapacitor) product typical curve -30 -40 0 55 70 100 62 40 30 60 ~ input voltage 165 ~ 264vac ambient tem.() temperature derating graph o u t p u t p o w e r p e r c e n t ( % ) 40 100 60 80 220 264 165 input voltagevac input voltage derating graph o u t p u t p o w e r p e r c e n t ( % ) ambient temperature: 25 note:wheninputdc,vdc=1.414*vac-20.
thecopyrightandauthorityfortheinterpretationoftheproductsarereservedby mornsun specificationssubjecttochangewithoutnotice. LI72-20B24 2013.09.26-a/0 page3of3 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 typical applications ac(l) ac(l) ac(n) ac(n) fuse ac/dc ntc mov +vo -vo c1 c2 tvs rl (figure1):typicalapplicationcircuit ac(l) ac(n) +vo -vo ac/dc +vo -vo ac(l) ac(n) (figure2):thisapplicationisnotavailableforthisseries. note:ifyouhavesuchapplication,pleaseconsulttoourfaedepartment externalcircuitparameters model c1 f c2 f tvs mov fuse ntc LI72-20B24 1 33 smbj30a s20k350 3.15a/250v, slowblow 5d-14 note:outputfilteringcapacitorsc2iselectrolyticcapacitors,itisrecommendedtousehighfrequencyandlowimpedanceelectrolyticcapacitors.forcapacitanceand currentofcapacitorpleaserefertomanufacture sdatasheet.voltagederatingofcapacitorshouldbe80%orabove.c1isceramiccapacitor.itisusedtofilterhigh frequencynoise.tvsisarecommendedcomponenttoprotectpost-circuits(ifconverterfails). dimensions,recommendedfootprint&packaging note: 1.whenpowerthroughthebottomconnector,12and14pin,11,13and15pinshouldbeusedinparalleltoreducethecontactvoltagedrop. 2.suchasparalleluseofthemodule,adjusttheoutputvoltageinasinglemodulefullinadvancesothattheoutputvoltagedifferencebetweenthemodulesareless than0.1v. 3. ourproductsdonotprovidethebottomrailconnector,userswhoneedtobeinstalled.
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