the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. ls03-r2(-f) series 2013.08.27-a/2 page 1 of 5 ls03-r2(-f) series 3w, ac-dc(high voltage dc-dc) converter ls03-r2 series ----- are high efficiency green power modules with miniature packaging provided by mornsun. the features of this series are: wide input voltage, dc and ac all in one, high efficiency, high reliability, low loss, safety isolation etc, meet ul60950/en60950 standards. all models are particularly suitable for the applications demanding on the volume, need to meet ul/ce standard, less demanding on emc like industrial, electric power, instrumentation, smart home. for harsh emc environment, this series of products must use the refered application circuit. rohs features 1. wide input voltage:85 ~ 264vac(100 ~ 400vdc) 2. over current protection and short circuit protection 3. high efficiency, high density 4. low loss, green power 5. industrial design 6. ultra-miniature package 7. 90 degree curved series, minimizing product height 8. certificate ul60950/en60950 standards part number system special mark put voltage voltage output power output voltage output style in isolation package product series ls03-15b15sr2 . selection guide approval model power output (vo/io) max. capacitive load ( f) ripple and noise (max.) efficiency (%) (230vac,typ.) standby power(max.) -- ls03-15b03sr2(-f)* 1.65w 3.3v/500ma 2300 150mv 66 LS03-15B05SR2(-f) 2.5w 5v/500ma 470 150mv 69 ls03-15b09sr2(-f) 9v/333ma 150 120mv 76 ls03-15b12sr2(-f) 12v/250ma 100 120mv 78 ls03-15b15sr2(-f) 15v/200ma 100 120mv 78 ul/ce (beside -f ) ls03-15b24sr2(-f) 3w 24v/125ma 100 120mv 78 0.5w note: *the model of 90 degrees of corner is with f. for example the ls03-15b12sr2 of 90 degrees of corner product is ls03-15b12sr2-f. input specifications item test conditions min. typ. max. unit ac input 85 -- 264 input voltage range dc input 100 -- 400 v input frequency 47 -- 440 hz 115vac -- -- 0.12 input current 230vac -- -- 0.06 115vac -- 20 -- inrush current 230vac -- 40 -- a output specifications item test conditions min. typ. max. unit ls03-15b03sr2(-f) -- -- 3.0 LS03-15B05SR2(-f)* -- -- 5.0 ls03-15b09sr2(-f) ls03-15b12sr2(-f) -- -- 8.0 ls03-15b15sr2(-f) output voltage accuracy ls03-15b24sr2(-f) -- -- 5.0 ls03-15b03sr2(-f) -- 0.5 -- line regulation full load other model -- 1.5 -- ls03-15b03sr2(-f) -- 1.5 -- load regulation 10% to 100% other model -- 2.5 -- %
the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. ls03-r2(-f) series 2013.08.27-a/2 page 2 of 5 ls03-15b03sr2(-f) LS03-15B05SR2(-f) -- 70 -- ls03-15b09sr2(-f) ls03-15b12sr2(-f) ls03-15b15sr2(-f) ripple& noise(p-p) 20mhz bandwidth ( measuring refer to ripple and noise measure figure ) ls03-15b24sr2(-f) -- 50 -- mv min load 10 -- -- % 115vac 60 hold-up time 230vac 300 ms short circuit protection continuous, and auto recovery over current protection auto recovery note:LS03-15B05SR2(-f)* (-20 ~-40 and 55 ~85 :figure 1 output sloid capacitance c2: 270 f/16v). common specifications item test conditions min. typ. max. unit operating temperature -40 -- +85 storage temperature -40 -- +105 case temperature -- -- +90 storage humidity -- -- 85 %rh temperature coefficient -- 0.15 -- -40 -20 2 -- -- power derating +55 ~+85 1.33 -- -- %/ isolation resistance 100 -- -- m isolation voltage input-output tested for 1 minute 3000 -- -- vac ls03-15b03sr2(-f) -- 100 -- switching frequency other model -- -- 50 khz weight -- 8 -- g wave-soldering 260 5 ; time:5~10s welding temperature manual-welding 360 10 ; time:3~5s safety approvals ul60950/en60950 safety class class ii safety standards ul60950/en60950 hot swap forbid case material grade ul 94v-0 install pcb cooling free air convection mtbf 300,000 h @ 25 note: 1. external electrolytic capacitors are required to modules, more details refer to typical applications. 2. ripple and noise measuring refer to ripple and noise measure figure . 3. all specifications were measured at ta=25 c, humidity<75%, nominal input voltage (115vac or 230vac)and rated output load unless otherwise specified. 4. in this datasheet, all the test methods of indications are based on corporate standards. emc specifications cispr22/en55022, class a (typical application circuit refer to figure 1) ce cispr22/en55022, class b (recommended circuit refer to figure 3) cispr22/en55022, class a (typical application circuit refer to figure 1) emi re cispr22/en55022, class b (recommended circuit refer to figure 3) esd iec/en61000-4-2 contact 4kv perf. criteria b rs iec/en61000-4-3 10v/m (recommended circuit refer to figure 3) perf. criteria a iec/en61000-4-4 2kv (typical application circuit refer to figure 1) perf. criteria b eft iec/en61000-4-4 4kv (recommended circuit refer to figure 3) perf. criteria b surge iec/en61000-4-5 1kv/ 2kv (recommended circuit refer to figure 3) perf. criteria b cs iec/en61000-4-6 3 vr.m.s (recommended circuit refer to figure 3) perf. criteria a pfm iec/en61000-4-8 10a/m perf. criteria a ems voltage dips, short and interruptions immunity iec/en61000-4-11 0%-70% perf. criteria b
the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. ls03-r2(-f) series 2013.08.27-a/2 page 3 of 5 ripple and noise measure figure ripple copper sheet load connect oscillograph probe ac( l) ac( n) ac-dc +vo -vo fuse 3 1 c2 c3 cy0 l1 c4 5 7 12 10 c1 note cy0 is 1nf/400vac y1 capacitor, c1,c2,l1,c3,c4 refer to external circuit parameters product typical curve ambient tem.() temperature derating graph o u t p u t p o w e r p e r c e n t ( % ) input voltage: 110~240vac 40 100 60 80 -20 55 85 -40 note: when input 85~110vac /240~264vac/70~100vdc/340~400vdc, it need to be voltage derated on basis of temperature derating. 40 100 60 80 100 340 400 70 vdc 110 240 264 85 vac input voltagev () 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 ls03-15b12sr2(-f) ac input efficiency cure 25 30 35 40 45 50 55 60 65 70 75 80 10 20 30 40 50 60 70 80 90 100 load (%) efficency (%) 85vac 110vac 230vac 264vac ls03-15b12sr2(-f) dc input efficiency cure 25 30 35 40 45 50 55 60 65 70 75 80 102030405060708090100 load(%) efficiency(%) 100vdc 200vdc 300vdc 400vdc ls03 ac input rated load efficiency cure 55 60 65 70 75 80 85 85 110 120 220 230 240 264 input voltage(vac) efficiency(%) LS03-15B05SR2(-f) ls03-15b09sr2(-f) ls03-15b12sr2(-f) ls03-15b15sr2(-f) ls03-15b24sr2(-f) ls03 dc input rated load efficiency cure 55 60 65 70 75 80 85 100 150 200 250 300 350 400 input voltage(vdc) efficiency(%) LS03-15B05SR2(-f) ls03-15b09sr2(-f) ls03-15b12sr2(-f) ls03-15b15sr2(-f) ls03-15b24sr2(-f) structure figure dc/dc convertor +vin(l) -vin(n) external capacitor 3 5 12 10 rectificate + c1 1 rectifier filter circuit +vo -vo +v(cap) 7 -v(cap)
the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. ls03-r2(-f) series 2013.08.27-a/2 page 4 of 5 typical applications 1 +vo -vo 10 12 ac(l) ac(n) c1 + 5 3 fuse ntc mov1 7 ac-dc c2 c3 tvs rl + l1 + c4 l2 cy0 figure 1: ls03-15bxxsr2(-f) typical application circuit note: is pi filter circuit. ac(l) ac(n) +vo -vo ac-dc ac(l) ac(n) +vo -vo (figure 2): this application is not available for this series. note: if you have such application, please consult to our fae department. emc recommended circuit ac(n) ac(l) ac(l) mov2 lcm cx cy1 cy2 ac-dc c1 + 5 fuse 12 cy0 10 7 ac(n) -vo +vo l1 + + c2 c3 tvs rl c4 ldm can use mornsun s fc-l01dv1 (figure 3): series recommended circuit for applications which require higher emc standard emc recommended circuit pcb layout figure 4: emc application circuit pcb layout safety and recommend wiring: line width 3mm, line-line distance 6mm, line- ground distance 6mm,a 6.4mm external circuit parameters model c1 (required) l2 c2 (required) l1 (required) c3 (required) c4 cy0 fuse (required) tvs ls03-15b03sr2(-f) 120 f/25v LS03-15B05SR2(-f) smbj7.0a ls03-15b09sr2(-f) 330 f/25v smbj12a ls03-15b12sr2(-f) ls03-15b15sr2(-f) 150 f/35v smbj20a ls03-15b24sr2(-f) 22 f/400v 5 mh 100 f/35v 2.2 h 68 f/35v 0.1 f/50v 1nf/400 vac 1a/250v smbj30a note: 1. c1and c3 are electrolytic capacitors. they are required both ac input and dc input. when ac input,c1 is used as filter capacitor, the value of c1 is recommended to be 22 f /400v.when dc input, c1 is used as emc filter capacitor, the value of c1 is recommended to be 10 f/400v(when the input voltage is above 370vdc, the recommended value of c1 is 10 f/450v).c2 and c3 are output filer capacitors, they are recommended to be high frequency and low impedance electrolytic capacitors. capacitance and rated ripple current of capacitors refer to the datasheets provided by the manufactures. voltage derating of capacitors should be 80% or above. c4 is a ceramic capacitor, which is used to filter high frequency noise. c2,c3 and l1 form a pi-type filter circuit. current of l1 and l2 refer to the datasheets provided by the manufactures, current derating should be 80% or above. tvs is a recommended component to protect post-circuits (if converter fails). external input ntc is recommended to use 5d-9.external input mov1 is recommended to use s14k350. 2. for standard emc requirement, please refer to figure 1.if higher emc requirement ,please refer to figure 3, recommended parameters are shown in the table below.
the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. ls03-r2(-f) series 2013.08.27-a/2 page 5 of 5 recommend parameter for higher emc standard circuit components recommend parameter mov2 s10k300 cy1, cy2 1nf/400vac cx 0.1 f/275vac lcm 3.5mh ldm 5mh fc-l01dv1 mornsun s 1kv/2kv surge protector fuse 1a/250v, slow blow, it must be connected to fuse ls03-r2 dimensions, recommended footprint&packaging ls03-r2-f dimensions, recommended footprint&packaging mornsun science & technology co.,ltd. address: no. 5, kehui st. 1, kehui development center, science ave., guangzhou science city, luogang district, guangzhou,p.r.china. tel: 86-20-38601850 fax:86-20-38601272 e-mail: info@mornsun.cn http://www.mornsun-power.com
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