the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice lh*er2 a/0-2012 page 1 of 6 dedicated power converter for power system lh (er2) series 10-25w, ac-dc converter lh(er2) series ----- is the improved version of mornsun s dedicated power converter for power systems. it accepts universal voltage range for both dc and ac input. lh(er2) feature high efficiency, high reliability with 3kv isolation. it offers good emc performance, meets iec61000 standards, surge meets level 4 standards, and widely used in power systems applications. rohs product features 1. universal input :85 ~ 264vac,50/60hz 2. regulated output with high efficiency 3. short circuit, over-current and thermal protection 4. ul94v-0 plastic case material 5. meet class i ,safety 6. emc meets iec/en61000-4,cispr22/en55022 standard 7. three years product warranty 8. special designed for power systems 9. mounting: pcb, chassis with screw terminals, din-rail. model selection LH10-10B12ER2a2 selection guide model dimension power output (vo1/io1) output (vo2/io2) ripple and noise (ty p . ) efficiency (%)(typ.) LH10-10B12ER2 12v/900ma 79 lh10-10b24er2* 24v/450ma 81 lh10-10d0505-02er2* 5v/1800ma 5v/200ma 75 lh10-10d0512-02er2* 5v/1500ma 12v/200ma 77 lh10-10d0524-02er2 10w 5v/1000ma 24v/200ma 77 lh15-10b05er2* 5v/2800ma 76 lh15-10b12er2 12v/1250ma 80 lh15-10b24er2* 24v/650ma 83 lh15-10d0512-04er2* 5v/2000ma 12v/400ma 80 lh15-10d0524-02er2 62x45x30mm 15w 5v/2000ma 24v/200ma 80 lh25-10b05er2* 5v/4100ma 74 lh25-10b12er2 12v/2100ma 81 lh25-10b24er2* 70x48x30mm 25w 24v/1100ma 100mv 85 note: * designing. input specifications input voltage range 85 264vac, 120 370vdc input frequency 47 63hz input current lh10 models lh15 models lh25 models 110vac 230ma, typ. 250ma, typ. 420ma, typ. 230vac 120ma, typ. 140ma, typ. 230ma, typ. inrush current lh10 models lh15 models lh25 models 110vac 10a, typ. 10a, typ. 16a, typ. 230vac 20a, typ. 20a, typ. 30a, typ. leakage current 0.3ma rms typ./230vac/50hz recommended external input fuse (special package series include fuse) lh10/lh15 models lh25 models 2a/250v 3.15a/250v slow blow slow blow
the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice lh*er2 a/0-2012 page 2 of 6 output specifications output voltage accuracy 2% (main output) 10% (supplement output) line regulation 0.5% (main output) 1.5% (supplement output) single output models 1% load variation (10-100%) isolated and separated dual output (balanced load) vo1: 3% (main output) vo2: 5% (supplement output) minimum load single output models isolated and separated dual output (balanced load) 0% 10% ripple & noise(p-p) (20mhz bandwidth) 100mv (typ.) 200mv (max.) short circuit protection continuous, auto resume over current protection 110% io auto resume over output voltage protection 5vdc models 12vdc models 24vdc models 7.5vdc 20vdc 30vdc general specifications temperature ranges operating power derating (55~70 ) (-40~-10 ) storage case temperature -40 +70 3.75% / 2% / -40 +105 +90 max. hold-up time (vin=230vac) 80ms(typ.) humidity(non condensing) 95%(max) temperature coefficient 0.02%/ main output 0.15%/ supplement output switching frequency 60khz typ. i/o-isolation voltage 3000vac/1min re cispr22/en55022 class a without external circuit / class b typical application circuit refer to figure 3 emi ce cispr22/en55022 class a without external circuit / class b typical application circuit refer to figure 3 esd iec/en61000-4-2 contact 6kv / air 8kv perf. criteria b rs iec/en61000-4-3 10v/m perf. criteria a eft iec/en61000-4-4 4kv perf. criteria b iec/en61000-4-5 2kv/ 4kv perf. criteria b without external circuit surge iec/en61000-4-5 4kv/ 6kv perf. criteria b typical application circuit refer to figure 3 cs iec/en61000-4-6 10 vr.m.s perf. criteria a pfm iec/en61000-4-8 10a/m perf. criteria a emc compliance ems voltage dips short and interruptions immunity iec/en61000-4-11 0%-70% perf. criteria b safety standard class i case material ul94v-0 mounting pcb / screw terminal / din rail mtbf >300,000h @25 package lh10/15 models lh25 models 62x45x30mm 70x48x30mm note: 1.the indicated emc compliance are tighter than en55024 standard. 2.ripple and noise measurement based on the parallel lines test; 3.unless otherwise specified, all specifications above are measured at rated input voltage and rated output load, ta=25 c, humidity < 75%; 4.all specifications stated in this datasheet are subject to the above listed models only. for specifications of non-standard models, please contact our technical support team.
the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice lh*er2 a/0-2012 page 3 of 6 parallel lines measure ac-dc +vo -vo fuse l n 25.4mm 25.4mm c1 c2 12.7mm copper sheet connect oscillograph probe load l n c1: 1 f (ceramic capacitor) c2: 10 f (electrolytic capacitor) typical efficiency curve efficiency vs output load curve (vin=230vac) 0 10 20 30 40 50 60 70 80 90 100 102030405060708090100 total output current(%) efficiency(%) LH10-10B12ER2 lh10-10b24er2 lh15-10b05er2 lh15-10b12er2 lh15-10b24er2 lh25-10b05er2 lh25-10b12er2 lh25-10b24er2 efficiency vs input voltage curve (full load) 50 55 60 65 70 75 80 85 90 85 120 240 264 input voltage(vac) efficiency(%) LH10-10B12ER2 lh10-10b24er2 lh15-10b05er2 lh15-10b12er2 lh15-10b24er2 lh25-10b05er2 lh25-10b12er2 lh25-10b24er2 input voltage vs load temperature vs load 100 240 85 264 20 40 100 60 80 70 48 load(%) inputoltage(vac) v *note: when input dc, vdc=1.414vac-20. -40 -10 55 70 100 80 60 40 20 temperature ( ) load trim application & trim calculation application circuit for trim (part in broken line is the interior of models) 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 formula for trim resistor 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 note: value for r1, r2, r3, and vref refer to the following table. r t : resistance of trim a: user-defined parameter, no actual meanings vo v resistance 5 12 24 r1(k ) 3.3 3.83 8.66 r2(k ) 3.3 1 1 r3(k ) 1 1 1 vref(v) 2.5 2.5 2.5 vot(v) output voltage of trim, variation 10% typical applications lh**-10b**er2(single output) l +vo -vo l n n c2 c1 tvs1rl ntc fuse (figure 1) lh**-10d**er2(isolate twin output) + - c3 c4 - vo1 vo2 tvs2 rl n ntc + c1 c2 tvs1 rl l n l fuse (figure 2)
the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice lh*er2 a/0-2012 page 4 of 6 lh**-10***er2 series recommended circuit for application require higher emc standard (external circuit output same as above) output l n l n + - vo1 fuse in(l) in(n) out(l) out(n) fc-l01d2 output + - vo2 (figure 3) emc application circuit pcb layout safety and recommend wiring: linewidth a 3mm,b 6mm,c 9mm typical application circuit recommended value model c2( f) tvs1 model c2( f) c4( f) tvs1 tvs2 LH10-10B12ER2 120 smbj20a lh10-10d0505-02er2 220 68 smbj7.0a smbj7.0a lh10-10b24er2 68 smbj30a lh10-10d0512-02er2 220 68 smbj7.0a smbj20a lh15-10b05er2 680 smbj7.0a lh10-10d0524-02er2 220 47 smbj7.0a smbj30a lh15-10b12er2 220 smbj20a lh15-10d0524-02er2 470 47 smbj7.0a smbj30a lh15-10b24er2 68 smbj30a lh15-10d0512-04er2 470 220 smbj7.0a smbj20a lh25-10b05er2 330 smbj7.0a lh25-10b12er2 330 smbj20a lh25-10b24er2 120 smbj30a note: 1. output filter capacitors c2, c4 are electrolytic capacitors, it is recommended to use high frequency and low i mpedance electrolytic capacitors. for capacitance and current of capacitor please refer to manufacture s datasheet. voltage derating of capacitor should be 80% or above. c1, c3 are ceramic capacitors, used to filter high frequency noise suggest choose 1 f. tvs is recommended component to protect post-circuits (if converter fails) 2. external input ntc is recommended to use 5d-9 3. for standard emc requirement, please refer to figure 1 or figure 2, if higher emc requirement ,please refer to figure 3 fuse lh10/15 recommended to use 2a/250v lh25 recommended to use 3.15a/250v fc-l01d2 mornsun s 4kv/6kv surge protector pcb mounting with solder pins b e e f g a d c h f f f f 8 7 6 5 4 1 2 3 trim 3 7 6 5 4 1 2 trim 8 1.50 [0.059] 3 8 7 6 5 4 1 2 trim 1.50 [0.059] 1.00 [0.039] b e e f g a d c h f f f f 8 7 6 5 4 1 2 3 trim 3 7 6 5 4 1 2 trim 8 1.50 [0.059] 3 8 7 6 5 4 1 2 trim 1.50 [0.059] 1.00 [0.039] note: unit:mm[inch] pin length(h): pin diameter tolerances: 0.10mm[ 0.004inch] general tolerances: 0.50mm[ 0.020inch] 6.00mm[0.236inch] l5 series h2 l15 series h10/ (mainview ) (bottom view ) note: grid:2.54*2.54mm
the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice lh*er2 a/0-2012 page 5 of 6 outline and dimensions (unit: mm) no. lh10 lh15 lh25 a 62.00 62.00 70.00 b 45.00 45.00 48.00 c 30.00 30.00 30.00 d 54.00 54.00 62.00 e 17.50 17.50 20.00 f 5.00 5.00 5.75 g 12.50 12.50 12.50 footprint details pin lhxx-10b lhxx-10d 1 2 ac(n) ac(n) 3 ac(l) ac(l) 4 -vo -vo1 5 no pin +vo1 6 no pin no pin 7 no pin -vo2 8 +vo +vo2 trim trim** no pin trim**: only for lh25-10bxxer2 series. lhxxer2a2 chassis mounting with screw terminals 86.10 [3.390] 96.10 [3.783] 4 6 . 0 0 [ 1 . 8 1 1 ] 5 4 . 0 0 [ 2 . 1 2 6 ] 2 3 1 4 5 6 7 8 3 .50 [0.138] 8.50 [0.335] 20.60 [0.811] 3 8 . 5 0 [ 1 . 5 1 6 ] (topview) (mainview) note: unit: mm[inch] general tolerances: 0.50mm[ 0.020inch] outline and dimensions (unit: mm) model dimensions lhxxer2a2 96.1x54x38.5mm models weight weight lh10 lh15 lh25 typ. 150g 150g 180g footprint details pin lhxx-10b lhxx-10d 1 2 ac(n) ac(n) 3 ac(l) ac(l) 4 -vo -vo1 5 nc +vo1 6 nc/trim** nc 7 nc -vo2 8 +vo +vo2 nc/trim** : the pin is trim on lh25-10bxxer2a2 , the pin is not connected on other single output products. lhxxer2a4 din-rail mounting 86.10 [3.390] 96.10 [3.783] 2 3 1 4 5 6 7 8 4 6 . 0 0 [ 1 . 8 1 1 ] 5 4 . 0 0 [ 2 . 1 2 6 ] 8.50 [0.335] 20.60 [0.811] 3 8 . 5 0 [ 1 . 5 1 6 ] 4 3 . 1 0 [ 1 . 6 9 7 ] (topview) (mainview) note: unit: mm[inch] general tolerances: 0.50mm[ 0.020inch] *footprint details are the same as chassis mounting with screw terminals .
the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice lh*er2 a/0-2012 page 6 of 6 outline and dimensions (unit: mm) model dimensions lhxxer2a4 96.1x54x43.1mm models weight weight lh10 lh15 lh25 typ. 190g 190g 220g packing infomation pcb mounting series special package series inner packaging box dimensions: l*w*h=355*192*93mm packaging quantity: 20pcs outer packaging box dimensions: l*w*h=405*380*305mm packaging quantity: 120pcs inner packaging box dimensions: l*w*h=365*350*105mm packaging quantity: 30pcs outer packaging box dimensions: l*w*h=390*360*245mm packaging quantity: 60pcs 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: 86-20-28203030 fax:86-20-38601272 http://www.mornsun-power.com
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