ac/dc converter ld12-20bxx series 2015.03.06-b/0 page 1 of 7 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation 12w, ac-dc converter features z universal input :85~264vac/100~370vdc z ac and dc dual-use(input from t he same t erminal) z ultra-slim sip package z 4000vac safer isolation z low ripple & noise z high efficiency, low power consumption, green environmental protection z output over voltage, short circuit and over current protection z meet ul60950 and en60950 standards z t hree y ears w arranty z mounting: pcb mounting, chassis mounting, din-rail mounting available rohs ld12 series ----- are the 12w compact size power converter offered by mornsun. it features universal input voltage, taking both dc and ac input voltage, low power consumption, low ripple& noise , high efficiency, high reliability, 4000vac 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. note: please refer to design reference when module being used in a bad emc environment. selection guide certification model output power nominal output voltage and current(vo/io) efficiency (230vac, %/typ.) max. capacitive load (uf) ul/ce ld12-20b03 7.9w 3.3v/2400ma 74 10000 LD12-20B05 12w 5v/2400ma 78 10000 ld12-20b12 12v/1000ma 82 5400 ld12-20b15 15v/800ma 82 2700 ld12-20b24 24v/500ma 83 1500 input specifications item operating conditions min. typ. max. unit input voltage range ac input 85 -- 264 vac dc input 100 -- 370 vdc input frequency 47 -- 440 hz input current 115vac -- 280 -- ma 230vac -- 190 -- inrush current 115vac -- 10 -- a 230vac -- 20 -- recommended external input fuse (special package series include fuse) 3.15a/250v, slow fusing hot plug unavailable output specifications item operating conditions min. typ. max. unit output voltage accuracy 0%-100% ld12-20b03 -- -- 3 % other models -- -- 2 line regulation full load -- 0.5 -- load regulation 10%-100% load -- 1 -- output ripple & noise* 20mhz bandwidth (peak-peak value) -- -- 100 mv
ac/dc converter ld12-20bxx series 2015.03.06-b/0 page 2 of 7 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation temperature drift coefficient -- 0.02 -- %/ c 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 -- 24 -- ms 230vac input -- 120 -- 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 4000 -- -- 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 (+55 ~+70 ) 3.3 -- -- %/ c (-25 ~0 ) 1---- safety standard iec60950/en60950/ul60950 safety-regulated certification en60950/ul60950 safety class class i i mtbf mil-hdbk-217f@25 c > 300,000 h physical specifications casing material black flame-retardant and heat-resistant plastic (ul94-v0) package dimensions horizontal package 53.80*28.80*23.50mm a2 chassis package 96.10*54.00*32.00mm a4 din-rail package 96.10*54.00*36.60mm a2s chassis package 76.00*31.50*32.30mm a4s din-rail package 76.00*31.50*36.90mm weight horizontal package/ a2 chassis package/ a4 din-rail package/ a2s chassis package/ a4s din-rail package 60g/110g/150g/80g/100g(typ.) cooling method free air convection emc specifications emi ce cispr22/en55022, class b re cispr22/en55022, class b ems esd iec/en61000-4-2 6kv /8kv perf. criteria b rs iec/en61000-4-3 10v/m perf. criteria a eft iec/en61000-4-4 4kv perf. criteria b surge iec/en61000-4-5 2kv perf. criteria b iec/en61000-4-5 4kv/6kv (see fig. 2 for recommended circuit) perf. criteria b cs iec/en61000-4-6 10 vr.m.s perf. criteria a pfm 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 ld12-20bxx series 2015.03.06-b/0 page 3 of 7 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation product characteristic curve 0 -25 55 70 50 40 100 75 80 100~240vac 120~340vdc input voltage: ambient temperature( ) temperature derating curve outpu t power p ercentage(%) 20 40 100 60 80 100 240 85 264 70 340 120 370 100 va c vdc input voltage outpu t power percentage(%) input voltage derating curve ambient temperature:25 note: input voltage should be derated based on temperature derating when it is 85-100vac/ 240-264vac/ 100-120vdc/ 340-370vdc; 2 this product is suitable for use in natural air cooling environments, if in a closed environment, please contact our company?s fae. ld12-20b24 ld12-20b12 70 75 80 85 90 85 120 240 264 efficiency(%) input voltage(vac) efficiency vs input voltage(full load) ld12-20b24 ld12-20b12 60 65 70 75 80 85 90 10 50 100 efficiency(%) output power percentage(%) efficiency vs output load(vin=240vac) design reference 1. typical application circuit ac ( l) +vo -v o ac(l) ac ( n) ac ( n) c1 c2 tvs rl fuse ac dc mov1 ntc fig. 1 model fuse ntc mov1 c1 c2 tvs ld12-20b03 3.15a slow fusing 10d-11 s20k350 1 f/50v 220 f/10v smbj7.0a LD12-20B05 220 f/10v smbj7.0a ld12-20b12 120 f/25v smbj20a ld12-20b15 120 f/25v smbj20a ld12-20b24 68 f/50v smbj30a 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, which is used to filter high-frequency noise. tvs is a recommended component to protect post-circuits if converter 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-lx1d2 fig 2 (output external circuit refer to the typical application circuit)
ac/dc converter ld12-20bxx series 2015.03.06-b/0 page 4 of 7 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation emc solution-recommended circuit pcb layout fig 3 suggestions for safety regulation and wiring width: wire width 3mm, distance between wires 6mm, and distance between wire and ground 6mm element model recommended value element model recommended value mov1 s20k350 ldm 4.7 u h 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 emc filter r1 1m /2w -- -- 3. for more information please find t he application note on w ww.mornsun-power.com dimensions and recommended layout
ac/dc converter ld12-20bxx series 2015.03.06-b/0 page 5 of 7 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation ld12-20bxxa2 dimensions ld12-20bxxa4 dimensions
ac/dc converter ld12-20bxx series 2015.03.06-b/0 page 6 of 7 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation ld12-20bxxa2 sdimensions ld12-20bxxa4 sdimensions
ac/dc converter ld12-20bxx series 2015.03.06-b/0 page 7 of 7 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation note: 1. packing information please refer to 'product packing information'. the packing bag number of horizontal package : 58220011, the packing bag number of a2/a4 package:58220010, the packing bag number of a2s/ a4s package:58220022; 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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