ac/dc converter ld20 series 201 4 .02.12-b/0 page 1 of 6 mornsun guangzhou science & technology co., ltd. reserv es the copyright and right of final interpretation 20w, ac-dc converter features z universal input range:85~264vac/120~370vdc z ac and dc all in one (input from t he same t erminal) z meet ul60950,en60950 z high efficiency, low power consumption, meet energy star standards z low ripple & noise z urtal-slim sip package z protection of output short circuit, over-current, over-voltage z three years product warranty z pcb mounting, chassis mounting, din-rail mounting rohs ld20 series ----- a 20w compact size power converter offered by mornsun, small volume. it features universal input voltage, taking both dc and ac input voltage, low power consumption, low ripple& noise, high efficiency, high reliability, 3000vac safer isolation. it offers good emc performance, meet iec/en61000-4, cispr22/en55022, ul60950 and en60950 standards, and widely used in industrial, electricity, instruments, telecommunication and civil applications. for harsh emc environment, the application circuit in the datasheet is strongly recommended. selection guide certification model output power nominal output voltage and current(vo/io) efficiency (230vac,%/typ.) max. capacitive load ( f) ul/ce ld20-10b03 11.88 w 3.3v/3600ma 74 10000 ld20-10b05 18w 5v/3600ma 78 10000 LD20-10B12 20w 12v/1660ma 82 5400 ld20-10b15 15v/1330ma 83 2700 ld20-10b24 24v/833ma 83 1500 input specifications item operating conditions min. typ. max. unit input voltage range ac input 85 -- 264 vac dc input 120 -- 370 vdc input frequency 47 -- 440 hz input current 110vac -- 370 -- ma 230vac -- 240 -- inrush current 110vac -- 20 -- a 230vac -- 40 -- recommended external input fuse (special package series include fuse) 3.15a/250v, slow fusing output specifications item operating conditions min. typ. max. unit output voltage accuracy 0%-100% -- 2(3.3v is 3) -- % line regulation full load -- 0.5 -- load regulation 10%-100% load -- 1 -- output ripple & noise* 20mhz bandwidth (peak-peak value) -- 50 120 mv temperature drift coefficient -- 0.02 -- %/ c
ac/dc converter ld20 series 201 4 .02.12-b/0 page 2 of 6 mornsun guangzhou science & technology co., ltd. reserv es the copyright and right of final interpretation stand-by power consumption -- -- 0.3 w short circuit protection continuous, self-recovery over-current protection 110%io self-recovery over-voltage protection zener clamp diode min. load 0----% hold-up time 115vac input -- 15 -- ms 230vac input -- 70 -- note: *parallel line t est method is adopted t o t est t he ripple and noise, please see ac-d c converte r applicatio n note s for specific operation methods. general specifications item operating conditions min. typ. max. unit isolation voltage input-output test time: 1min 3000 -- -- vac operating temperature -25 -- +70 c storage temperature -25 -- +105 storage humidity -- -- 95 %rh w elding temperature wave-soldering 2605 ; time:5~10s manual-welding 36010 ; time:3~5s switching frequency -- 100 -- khz power derating +40 ~+70 2.5 -- -- %/ -25 ~0 1.0 -- -- safety standard iec60950/en60950/ul60950 safety-regulated certification en60950/ul60950 safety class class i i hot plug unavailable mtbf mil-hdbk-217f@25 c>300,000h physical specifications casing material black flame-retardant and heat-resistant plastic (ul94-v0) package dimensions horizontal package 53.80*28.80*23.50 mm a2 wiring package 96.10*54.00*32.00 mm a4 rail package 96.10*54.00*36.60 mm a2s wiring package 76.00*31.50*32.30 mm a4s rail package 76.00*31.50*36.90 mm weight horizontal package/ a2 wiring package/ a4 rail package/ a2s wiring package/ a4s rail package 60g/110g/150g/80g/100g(typ.) cooling method free air convection emc specifications emi conducted disturbance cispr22/en55022, class b (without external circuit ) radiated emission cispr22/en55022, class b (without external circuit ) ems electrostatic discharge iec/en61000-4-2 6kv / 8kv perf. criteria b radiation immunity iec/en61000-4-3 10v/m perf. criteria a eft iec/en61000-4-4 4kv (without external circuit ) perf. criteria b surge immunity iec/en61000-4-5 2kv (without external circuit ) perf. criteria b iec/en61000-4-5 4kv/6kv (see fig. 2 for recommended circuit) perf. criteria b conducted disturbance immunity iec/en61000-4-6 10 vr.m.s perf. criteria a immunity for power frequency magnetic field iec/en61000-4-8 10a/m perf. criteria a immunities of voltage dip, drop and short interruption iec/en61000-4-11 0%-70% perf. criteria b
ac/dc converter ld20 series 201 4 .02.12-b/0 page 3 of 6 mornsun guangzhou science & technology co., ltd. reserv es the copyright and right of final interpretation product characteristic curve 0 -25 55 70 40 30 100 75 80 20 40 100 60 80 100 240 85 264 70 340 120 370 100 100~240vac 12 0~340vdc input voltage: va c vdc ambient temperature( ) te m p e r a t u r e d e r a t i n g g r a p h output power percentage(%) input voltage v () output power percentage(%) input voltage derating graph ambient temperature:25 note: input voltage should be derated based on temperatu re derat in g when it is . 85~100vac/240~264vac/100~120vdc/340~370vdc 20 3.3v,5v output 12v,15v output ld20-10b05 LD20-10B12 60 65 70 75 80 85 90 95 100 85 120 240 264 efficiency(%) input voltage(v) efficiency vs input voltage(full load) ld20-10b05 LD20-10B12 60 65 70 75 80 85 90 10 30 50 70 100 efficiency(%) output power percentage(%) efficiency vs output load(vin=240vac) design reference 1. t ypical application circuit ac(l) +vo -vo ac(l) ac(n) ac(n) c1 c2 tvs load fuse acdc mov1 ntc fig. 1: typical application circuit model c1 c2 tvs ld20-10b03 1 f/50v 220 f/10v smbj7.0 a ld20-10b05 220 f/10v smbj7.0 a LD20-10B12 120 f/25v smbj20 a ld20-10b15 120 f/25v smbj20 a ld20-10b24 68 f/35v smbj30 a note: output filtering capacitor c2 is electrolytic capacitor, it is recommended to apply electrolytic capacitor with high frequency and low resistance. for capacitance and current of capacitor please refer to manufacture?s datasheet. capacitance withstand voltage derating should be 80% or above. c1 is ceramic capacitor, w hich is used t o filter high-frequency noise. tvs is a recommended component t o protect post-circuits i f converte r fails. 2. emc solution-recommended circuit ac(n) ac(l) lcm ac(n) ac(l) acdc mov1 mov2 cx r1 cy2 cy1 gdt4 mov3 +vo -vo fuse c1 c2 tvs rl ldm can use mornsun's fc-lx1d 2 fig 2: emc application circuit with higher requirements fig 3: recommended emc circuit-pcb layout suggestions for safety regulation and wiring width: wire width 3mm, distance between wires 6mm, and distance between wire and ground 6mm
ac/dc converter ld20 series 201 4 .02.12-b/0 page 4 of 6 mornsun guangzhou science & technology co., ltd. reserv es the copyright and right of final interpretation element model recommended value element model recommended value mov1 s20k350 ldm 5uh mov2 s10k300 lcm 10mh, recommended to use mornsun?s fl2d-z5-103 mov3 s10k300 gdt4 em3600xs cx 0.15 f/300vac fuse 3.15a/250v, slow fusing, cy1, cy2 2.2nf/400vac fc-lx1d2 4kv/6kv emc filter r1 1m ? /2w -- -- 3. for more information please find application notes on www.mornsun-power.com dimensions and recommended layout ld20-10bxxa2 dimensions
ac/dc converter ld20 series 201 4 .02.12-b/0 page 5 of 6 mornsun guangzhou science & technology co., ltd. reserv es the copyright and right of final interpretation ld20-10bxxa4 dimensions ld20-10bxxa2s dimensions
ac/dc converter ld20 series 201 4 .02.12-b/0 page 6 of 6 mornsun guangzhou science & technology co., ltd. reserv es the copyright and right of final interpretation ld20-10bxxa4s dimensions note: 1. packing information please refer to 'product packaging information'. the packing bag number of horizontal package : 58220021, the packing bag number of a2/a4 package:58220010, the packing bag number of a2s/ a4s package:58220010; 2. unless otherwise specified, data in this datasheet should be tested under the conditions of ta=25 c, humidity<75% when inputting nominal voltage and outputting rated load; 3. all index testing methods in this datasheet are based on our company?s corporate standards; 4. the performance indexes of the product models listed in this manual are as above, but some indexes of non-standard model products will exceed the above-mentioned requirements, and please directly contact our technician for specific information; 5. we can provide product customization service; 6. specifications of this product are subject to changes without prior notice. mornsun guangzhou 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: 86-20-38601850-8801 fax: 86-20-38601272 e-mail: info@mornsun.cn
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