ac/dc converter lh 20(25) series 201 5 . 08.24 - b/3 page 1 of 8 m ornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation 20(25)w , ac-dc converter features ? universal input range:85~264vac, 100 370 v d c ? regulated output, low ripple and noise ? efficiency up to 8 7 % ? over-current, short circuit and over- voltage protection ? plastic case, meets ul94v-0 ? iec60950, ul60950, en60950 approval ? pcb mounting, chassis mounting, din-rail mounting cb rohs lh 20-25 series -----a compact size power converter offered by mornsun. it features universal input voltage, taking both dc and ac input voltage, low power consumption, high efficiency, high reliability, safer isolation. it offers good emc performance, which meet iec/en61000-4, cispr22/en55022, ul60950 and en60950 standards, and it s widely used in industrial, office and civil applications. for harsh emc environment, the application circuit in the datasheet is strongly recommended. selection guide certification p a rt n o .* output power n ominal output voltage and current efficiency (230vac, %/typ.) max. capacitive load( f) (v o1 /i o1 ) (v o2 /i o2 ) vo1 vo2 ul/ce /cb lh20-10b03 13.53w 3.3v/4100ma -- 7 4 48000 -- lh20-10b05 17.5w 5v/3500ma -- 7 8 12240 -- lh20-10b09 20w 9v/2100ma -- 80 7200 -- lh20-10b12 12v/1600ma -- 82 5400 -- lh20-10b15 15v/1300ma -- 83 2720 -- lh20-10b24 24v/850ma -- 85 1840 -- -- lh20-10a05 +5v/2000ma -5v/2000ma 75 8000 8000 lh20-10a12 +12v/830ma -12v/830ma 82 960 960 LH20-10A15 +15v/650ma -15v/650ma 83 880 880 lh20-10c0505-05 5v/2500ma 5v/500ma 74 11200 4480 lh20-10c0512-04 5v/2000ma 12v/400ma 75 16000 1600 lh20-10c0515-03 5v/2000ma 15v/300ma 76 13520 370 lh20-10c0524-02 5v/2000ma 24v/200ma 77 11200 370 lh20-10d0512-06 5v/2500ma 12v/600ma 75 32400 3250 lh20-10d0515-05 5v/2500ma 15v/500ma 76 28000 1980 lh20-10d0524-03 5v/2500ma 24v/300ma 77 28000 720 ul/ce /cb lh25-10b03 13.53w 3.3v/4100ma -- 7 4 48000 -- lh25-10b05 20.5w 5v/4100ma -- 79 12240 -- lh25-10b09 25w 9v/2500ma -- 81 5600 -- lh25-10b12 12v/2100ma -- 83 5400 -- lh25-10b15 15v/1600ma -- 84 2400 -- lh25-10b24 24v/1100ma -- 85 1440 -- lh25-10b48 48v/500ma -- 87 500 -- note: * about lh20-10axx, use both positive and negative output as sampling feedback; and all others use vo1 as sampling feedback.
ac/dc converter lh 20(25) series 201 5 . 08.24 - b/3 page 2 of 8 m ornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation input specifications item operating conditions min. typ. max. unit input voltage range ac input 85 -- 264 v ac dc input 1 0 0 -- 370 vdc input frequency 47 -- 63 hz input current 115vac -- -- 0.6 a 230vac -- -- 0.34 inrush current 115vac -- 16 -- 230vac -- 30 -- leakage current 0.3ma rms typ./230vac/50hz 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 main circuit -- 2 -- % line regulation full load main circuit -- 0.5 -- auxiliary circuit -- 1.5 -- load regulation 10%-100% load single output -- 1 -- dual output(balanced load) -- 2 -- isolated triple output (balanced load) main circuit -- 3 -- auxiliary circuit -- 5 -- isolated and separated twin output (balanced load) main circuit -- 3 -- auxiliary circuit -- 5 -- ripple & noise* 20mhz bandwidth (peak-peak value) -- 50 100 mv temperature coefficient main circuit -- 0.02 -- %/ c short circuit protection continuous, self-recovery over-current protection 110%io self-recovery over-voltage protection main circuit 3.3 / 5vdc output 7.5vdc 9vdc output 1 3 vdc 12 /15vdc output 20vdc 24vdc output 30vdc 48vdc output 60vdc min. load single output models 0 -- -- % dual output models ( balanced load ) 10 -- -- isolated and separated twin output ( balanced load ) 10 -- -- isolated triple output ( balanced load ) 10 -- -- hold -up time 115vac input -- 15 -- ms 230vac input -- 80 -- note: * ripple and noise are measured by parallel cable method, please see ac-dc converter application notes for specific operation. general specifications item operating conditions min. typ. max. unit isolation voltage input-output test time: 1min 3000 -- -- vac operating temperature lh20-10a/c/d series -25 -- +70 c lh20(25)-10b series - 40 -- +70 storage temperature lh20-10a/c/d series - 25 -- + 8 5 lh20(25)-10b series - 40 -- + 85 storage humidity -- -- 95 %rh
ac/dc converter lh 20(25) series 201 5 . 08.24 - b/3 page 3 of 8 m ornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation welding temperature wave-soldering 260 5 ; time:5~10s manual-welding 360 10 ; time:3~5s switching frequency -- 65 -- khz power derating -25 ~-10 (lh20-10a/c/d series ) 2.0 -- -- -40 ~ -10 ( lh20(25)-10b series ) 2.0 -- -- +50 ~ +70 (lh25-10b series ) 3 .0 -- -- +55 ~+70 (lh2 0 -10 a/b/c/d series ) 4.0 -- -- safety standard iec60950/en60950/ul60950 safety certification iec60950 / en60950/ul60950 safety class class i mtbf mil-hdbk-217f@25 c > 300 , 000 h physical specifications casing material black flame-retardant and heat-resistant plastic (ul94-v0) dimension horizontal packageg 70.00 x48.00x23.50mm a2 chassis mounting 96.1 0x 54 .00x 32 .00mm a 3 chassis mounting 99 .00x 54 .00x 32 .00mm a4 din-rail mountin 96.1 0x 54 .00x 36.6 0mm weight horizontal package/ a2 chassis mounting/ a 3 chassis mounting/ a4 din-rail mounting 120 g/ 170g / 170g / 210 g (typ.) cooling method free 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 2kv perf. criteria b iec/en61000-4-4 4kv (see fig. 5 for recommended circuit) perf. criteria b surge iec/en61000-4-5 1kv/ 2kv perf. criteria b iec/en61000-4-5 2kv/4kv (see fig. 5 for recommended circuit) perf. criteria b ems 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 product characteristic curve -40 100 70 20 -10 55 70 40 50 te mperature der ating c ur ve l 25-10b s eries h lh20-10a/b/c/d se rie s ambi ent temper atur e( ) outpu t power percentage(%) l 20-10a/c/d s eries h lh20(25)-10b s eries -25 input voltage: 85~264vac 100~370vdc 100 240 85 264 20 40 100 60 80 75 input voltage ambient temperature: 25 input voltage derating curve output power percent age(%) vac 120 340 100 370 vdc note: when input 85~100vac/240~264vac/100~120vdc/340~370vdc, it need to be voltage derated on basis of temperature derating; this prod uct is suitable for use in natural air cooling environments, if in a closed environment, please contact our company s fae.
ac/dc converter lh 20(25) series 201 5 . 08.24 - b/3 page 4 of 8 m ornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation design reference 1. typical application circuit ac(l) +vo -vo ac(l) ac(n) ac(n) c1 c2 tvs rl fuse ac dc mo v ntc fig. 1: lh 20(25)-10b series ( single output)typical application circuit fuse +vo ac(l) ac(n) -vo ac(n) com c4 c2 c1 c3 rl tvs1 tvs2 rl ntc ac(l) ac dc mo v fig. 2: lh 20 -10a series (dual output) typical application circuit + - c1 c4 c3 c2 - vo1 vo2 tvs1 tvs2 rl rl fuse ac(l) ac(n) ac(n) ntc + ac(l) acdc m ov fig. 3: lh 20 -10d series (isolate twin output) typical application circuit + c1 c4 c3 c2 - vo1 com tvs1 tvs2 rl rl fuse ac(l) ac(n) ac(n) ac(l) acdc mo v +vo2 c6 c5 tvs3 rl -vo2 ntc fig. 4: lh 20 -10c series (triple output) typical application circuit model c2( f ) c4( f ) c6( f ) tvs1 tvs2 tvs3 lh20-10b03 330 smbj7.0a lh20-10b05 330 smbj7.0a lh20-10b09 220 smbj12a lh20-10b12 220 smbj20a lh20-10b15 220 smbj20a lh20-10b24 220 smbj30a lh20-10a05 470 470 smbj7.0a smbj7.0a lh20-10a12 120 120 smbj20a smbj20a LH20-10A15 68 68 smbj20a smbj20a lh20-10c0505-05 330 120 120 smbj7.0a smbj7.0a smbj7.0a lh20-10c0512-04 330 120 120 smbj7.0a smbj20a smbj20a lh20-10c0515-03 330 120 120 smbj7.0a smbj20a smbj20a lh20-10c0524-02 330 47 47 smbj7.0a smbj30a smbj30a lh20-10d0512-06 330 220 smbj7.0a smbj20a lh20-10d0515-05 330 220 smbj7.0a smbj20a lh20-10d0524-03 330 120 smbj7.0a smbj30a lh25-10b03 330 smbj7.0a lh25-10b05 330 smbj7.0a lh25-10b09 330 smbj12a lh25-10b12 330 smbj20a lh25-10b15 330 smbj20a lh25-10b24 120 smbj30a lh25-10b48 68 smbj64a note: note: output filtering capacitor s c2 , c4, c6 are electrolytic capacitor s , it is recommended to use high frequency and low impedance electrolytic capacitor. for capacitance and current of capacitor please refer to manufacture s datasheet. capacitor withstand voltage derating should be 80% or above. c1 ,c3, c5 are ceramic capacitor s , which is used to filter high-frequency noise. tvs is a recommended component to protect post-circuits if converter fails. external input ntc is recommended to use 5d-9. external input mov model is recommended to use s14k3 0 0.
ac/dc converter lh 20(25) series 201 5 . 08.24 - b/3 page 5 of 8 m ornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation 2. emc solution-recommended circuit acdc ac( n) ac( l) lcm mov1 cx cy1 cy2 fuse ac( n) ac( l) +vo -vo + ldm c1 c2 tvs1 rl can u se m or nsun s fc-lx1 d ' fig 5 : emc recommended circuit with higher requirements element model recommended value mov1 s14k300 cy1 , cy2 1000pf/400vac cx 0.1 f/275vac lcm 10mh, recommended to use mornsun s fl2d-z5-103 ldm 4.7 h /2a f c- lx1d 2kv/4kv emc filter fuse 3.15a/250v slow fusing, necessary 3. application of trim and calculation of trim resistance 0v r 2 r 1 r 3 v ref r t trim +vot 0v r 2 r 1 r 3 v ref r t trim +vot trim up trim down applied circuits of trim ( part in broken line is the interior of models ): calculation formula of trim resistance: up: a= vref vot-vref r 1 r = t ar 2 r -a 2 -r 3 down: a= vref vot-vref r 2 r = t ar 1 r -a 1 -r 3 r t is trim resistance a is a self-defined parameter , with no real meaning. vout r1(k ) r2(k ) r3(k ) vref(v) vot(v) 3.3v 3.3 1.98 1 1.24 output voltage after regulation, variation 10% 5v 3.3 3.3 1 2.5 9v 7.5 2.87 1 2.5 12v 3.83 1 1 2.5 15v 7.5 1.5 1 2.5 24v 8.66 1 1 2.5 48v 68 3.73 1 2.5 4. for more information about mornsun emc filter products, please visit www.mornsun-power.com to download the selection guide of emc filter
ac/dc converter lh 20(25) series 201 5 . 08.24 - b/3 page 6 of 8 m ornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation dimensions and recommended layout lhxxa2 dimensions
ac/dc converter lh 20(25) series 201 5 . 08.24 - b/3 page 7 of 8 m ornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation lhxxa3 dimensions lhxxa4 dimensions
ac/dc converter lh 20(25) series 201 5 . 08.24 - b/3 page 8 of 8 m ornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation notes: 1. packing information please refer to product packing information which can be downloaded from www.mornsun-power.com . packing bag number of horizontal package : 58220006 , the packing bag number of a2/ a3/ a4 package:58220010; 2. if the product is not operated within the required load range, the product performance cannot be guaranteed to comply with all parameters in the datasheet; 3. unless otherwise specified, parameters in this datasheet were measured under the conditions of ta=25 , humidity<75% with nominal input voltage and rated output load; 4. all index testing methods in this datasheet are based on our company s corporate standards; 5. the performance parameters of the product models listed in this manual are as above, but some parameters of non-standard model products may exceed the requirements mentioned above. please contact our technicians directly for specific information; 6. we can provide product customization service; 7. specifications are subject to change 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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