dc/dc converte r ura_ld-20wr3 & urb_ld-20wr3 series 201 4 .07.17- a /0 page 1 of 8 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation 20w,ultra wide input isolated & regulated dual / single output dc/dc converter patent protection rohs features z wide range of input voltage (4:1) z efficiency up t o 90% z no-load power consumption as low as 0.2w z isolation voltage :1500vdc z operating temperature range: -40 to +85 z input under-voltage protection, output short circuit protection, over-voltage protection, over-current protection z meet cispr22/en55022 class a z six-sided metal shielding package z a2s ( w ring mounting) and a4s (35mm rail mounting) products featuring reverse polarity protection for input ura_ld-20wr3 & urb_ld-20wr3 series are applied to wide voltage range input situation such as data transmission device, battery powe r supply device, tele-comunication device, distributed power supply system, remote control system, industrial robot system etc. selection guide part no. input voltage (vdc) output efficiency (%,min./typ.) @ full load max. capacitive load ( f) nominal (range) max. output voltage (vdc) output current (ma)(max./min.) ura2405ld-20wr3 24 (9-36) 40 5 2000/100 84/86 4800 ura2409ld-20wr3 9 1111/56 86/88 1000 ura2412ld-20wr3 12 834/42 86/88 800 ura2415ld-20wr3 15 667/33 86/88 625 urb2403ld-20wr3 3.3 5000/250 84/86 10000 URB2405LD-20WR3 5 4000/200 88/90 10000 urb2409ld-20wr3 9 2222/111 87/89 4700 urb2412ld-20wr3 12 1667/84 87/89 1600 urb2415ld-20wr3 15 1333/67 88/90 1000 urb2424ld-20wr3 24 834/42 88/90 500 ura4805ld-20wr3 48 (18-75) 80 5 2000/100 84/86 4800 ura4812ld-20wr3 12 834/42 86/88 800 ura4815ld-20wr3 15 667/33 87/89 625 urb4803ld-20wr3 3.3 5000/250 84/86 10000 urb4805ld-20wr3 5 4000/200 88/90 10000 urb4809ld-20wr3 9 2222/111 87/89 4700 urb4812ld-20wr3 12 1667/84 87/89 1600 urb4815ld-20wr3 15 1333/67 88/90 1000 urb4824ld-20wr3 24 834/42 88/90 500 notes series with suffix ?h? are heat sink mounting; series with suffix ?a2s? are chassis mounting with suffix ?a4s? are din-rail mounting, for example urb2405ld-20whr3a2s is chassis mounting of with heat sink,URB2405LD-20WR3a4s is din-rail mounting of without heat sink; if the application has a higher requirement for heat dissipation, you can choose modules with heat sink; absolute maximum rating without damage on the converter, but it isn't recommended; efficiency is measured in nominal input voltage and rated output load;a2 s (wiring) and a4s (rail) model due to input reverse polarity protection, minimum efficiency greater than min.-2 is qualified; the capacitive loads of positive and negative outputs are identical.
dc/dc converte r ura_ld-20wr3 & urb_ld-20wr3 series 201 4 .07.17- a /0 page 2 of 8 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation input specifications it em op era ti n g c on diti ons mi n. typ . m ax. u n it in p ut current (full load / no-load) 24vdc in p ut 3.3v, 5v output -- 926/40 -- m a others -- 926/5 -- 4 8vdc in p ut 3.3v, 5v output -- 463/20 -- others -- 463/4 -- reflected ri pp le current 24vdc in p ut -- 30 -- 4 8vdc in p ut -- 30 -- in p ut im p ulse v olta g e(1sec.max.) 24vdc in p ut -0.7 -- 50 v dc 4 8vdc in p ut -0.7 -- 100 startin g v olta g e 24vdc in p ut -- -- 9 4 8vdc in p ut -- -- 18 under v olta g eshutdown 24vdc in p ut 5.5 6.5 -- 48vdc input 14.0 15.5 -- starting time nominal input& constant resistance load -- 10 -- ms in p ut filter pi filter ctrl * module switch on ctrl sus p ended or connected t ott l hi g h level (3.5-12vdc) module switch of f ctrl p in connected t o gnd or low level (0-1.2vdc) in p ut current w hen switched of f -- 47 ma note: *the voltage of ctrl pin is relative t oinputpingnd. output specifications item operating conditions min. typ. max. unit positive output voltage accuracy -- 1 3 % negative output voltage accuracy balance of output voltage dual output, balanced load -- 0.5 1.5 line regulation full load, the input voltage is from low v oltag e to high voltage -- 0.2 0.5 load regulation 10%-100% load -- 0.5 1 cross regulation dual output, main output 50% load, supplement output from 10% to 100% load -- -- 5 transient recovery time 25% load step change -- 300 500 s transient response deviation 3.3v, 5v, 5v output -- 5 8 % others -- 3 5 temperature drift coefficient full load -- 0.02 -- %/ ripple & noise 20mhz bandwidth -- 50 100 mv p-p trim input voltage range -- 10 -- %vo output over-voltage protection 110 -- 160 output over-current protection 110 -- 190 %io output short circuit protection hiccup, continuous, self-recovery note: * ripple and noise tested with ?parallel cable? method, please see dc-dc converter application notes for specific operation methods. general specifications item operating conditions min. typ. max. unit insulation voltage input-output, with the test time of 1 minute and the leak current lower than 1ma 1500 -- -- vdc insulation resistance input-output, insulation voltage 500vdc 1000 -- -- m ? isolation capacitance input-output, 100khz/0.1v -- 1050 -- pf operating temperature see fig. 1 -40 -- 85 storage temperature -55 -- 125 storage humidity non-condensing 5 -- 95 %rh max. operating temperature for casing within the operating temperature curve -- -- 105
dc/dc converte r ura_ld-20wr3 & urb_ld-20wr3 series 201 4 .07.17- a /0 page 3 of 8 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation pin welding resistance temperatu re welding spot is 1.5mm away from the casing, 10 seconds -- -- 300 vibration 10-55hz, 10g, 30 min. along x, y and z switching frequency * pwm mode -- 270 -- khz mtbf mil-hdbk-217f@25 1000 -- -- k hours note:* this series of products using reduced frequency technology, the switching frequency is test value of full load,when the load is reduced to belo w50%,the switching frequency decreases with decreasing load. physical specifications casing material aluminum alloy package dimensions horizontal package( without heat sink) 50.80*25.40*11.80 mm horizontal package( with heat sink) 50.80*25.40*16.30 mm a2s wiring package ( without heat sink) 76.00*31.50*21.20 mm a2s wiring package( with heat sink) 76.00*31.50*25.10 mm a4s rail package( without heat sink) 76.00*31.50*25.80 mm a4s rail package( with heat sink) 76.00*31.50*29.70 mm weight without heat sink horizontal package/a2s wiring package/a4s rail package 26.00g/48.00g/68.00g(typ.) with heat sink horizontal package/a2s wiring package/a4s rail package 34.00g/56.00g/76.00g(typ.) cooling method free air convection emc specifications emi conducted disturbance cispr22/en55022 class a (bare component)/ class b (see fig.3- for recommended circuit) radiated emission cispr22/en55022 class a (bare component)/ class b (see fig.3- for recommended circuit) ems electrostatic discharge iec/en61000-4-2 contact 4kv perf. criteria b radiation immunity iec/en61000-4-3 10v/m perf. criteria a eft iec/en61000-4-4 2kv (see fig.3- for recommended circuit) perf. criteria b surge immunity iec/en61000-4-5 2kv (see fig.3- for recommended circuit) perf. criteria b conducted disturbance immunity iec/en61000-4-6 3 vr.m.s perf. criteria a immunities of voltage dip, drop and short interruption iec/en61000-4-29 0-70% perf. criteria b product characteristic curve operating temperature( ) t emperature derating curv e output po we r pe rc e ntage( %) -40 0406085 120 80 60 100 120 40 20 0 without heatsink with heatsink 55 safe operating area fig. 1 ura4815ld- 20wr3 50 55 60 65 70 75 80 85 90 95 100 18 24 30 36 42 48 54 60 66 72 75 efficiency(%) input voltage (v) efficiency vs input (full load) ura4815ld- 20wr3 50 55 60 65 70 75 80 85 90 95 100 5 102030405060708090100 efficiency(%) output current percentage (%) efficiency vs output load(vin=vin-nominal)
dc/dc converte r ura_ld-20wr3 & urb_ld-20wr3 series 201 4 .07.17- a /0 page 4 of 8 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation urb2405ld- 20wr3 50 55 60 65 70 75 80 85 90 95 100 9 121518212427303336 efficiency(%) input voltage (v) efficiency vs input (full load) urb2405ld- 20wr3 50 55 60 65 70 75 80 85 90 95 100 5 102030405060708090100 efficiency(%) output current percentage (%) efficiency vs output load(vin=vin-nominal) design reference 1. typical application all the dc/dc converters of this series are tested according to the recommended circuit (see fig. 2) before delivery. if it is required to further reduce input and output ripple, properly increase the input & output of additional capacitors cin and cout or select capacitors of low equivalent impedance provided that the capacitance is no larger than the max. capacitive load of the product. dc dc vin gnd +vo 0v cin cout vin gnd +vo 0v cin cout dc dc -vo cout dua l single fig. 2 single vout (vdc) cout ( f) cin ( f) dual vout (vdc) cout ( f) cin ( f) 3.3/5 470 100 5 220 100 9/12/15 220 9/12/15 100 24 100 -- -- 2. emc solution-recommended circuit ldm1 c0 mov fuse c1 v in gnd + vin gnd +vo -vo (0v) dc/dc cy 1 cy 2 c2 load fig. 3 notes: part in the fig. 3 is used for ems test and part for emi filtering; selected based on needs. parameter description model vin:24v vin:48v fuse choose according to actual input current mov s14k35 s14k30 c0 330 f/50v 330 f/100v c1 1 f/50v 1 f/100v c2 refer to the cout in fig.2 ldm1 4.7 h cy1, cy2 1nf/2kv emc solution-recommended circuit pcb layout fig. 4 note: the min. distance of the bonding pads between input & output isolation capacitors (cy1/cy2) shall be 2mm.
dc/dc converte r ura_ld-20wr3 & urb_ld-20wr3 series 201 4 .07.17- a /0 page 5 of 8 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation 3. application o f t rim and calculation o f t rim resistance 0v r 2 r 1 r 3 v ref r t trim +vo t 0v r 2 r 1 r 3 v ref r t trim +vo t trim up t rim down applied circuits of trim (part in broken line is the interior of models) calculation formula of trim resistance: up: a= v ref vo?-vref r 1 r= t a r 2 r-a 2 -r 3 down: a= v re f vo?-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(v) r1(k )r2(k )r3(k )vref(v) 3.3 4.801 2.87 12.4 1.25 5 2.883 2.87 10 2.5 9 7.500 2.87 15 2.5 12 11.000 2.87 15 2.5 15 14.494 2.87 15 2.5 24 24.872 2.87 17.8 2.5 4. the product does not support output in parallel with power per liter or hot-plug use 5. for more information please find the app lication notes on www.mornsun-power.com horizontal package (without heat sink ) dimensions and recommended layout
dc/dc converte r ura_ld-20wr3 & urb_ld-20wr3 series 201 4 .07.17- a /0 page 6 of 8 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation horizontal package (wit h heat sink) dimensions ura_ld-20wr3a2s & urb_ld-20wr3a2s (without heat sink) dimensions
dc/dc converte r ura_ld-20wr3 & urb_ld-20wr3 series 201 4 .07.17- a /0 page 7 of 8 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation ura_ld-20whr3a2s & urb_ld-20wh r3a2s(with heat sink) dimensions ura_ld-20wr3a4s & urb_ld-20wr3a4s (without heat sink) dimensions
dc/dc converte r ura_ld-20wr3 & urb_ld-20wr3 series 201 4 .07.17- a /0 page 8 of 8 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation ura_ld-20whr3a4s & urb_ld-20wh r3a4s(with heat sink) dimensions notes: 1. packing information please refer t o 'product packing information'. the packing bag number of horizontal package :58200024(without heat sink), 58200043(with heat sink, the packing bag number of a2s/ a4s package:58220022; 2. recommended used in more than 5% load, if the load is lower than 5%, then the ripple index of the product may exceed the specification, but does not affect the reliability of the product; 3. the unbalance degree of the recommended dual output module load: 5%; if the degree exceeds 5%, then the product performances cannot be guaranteed to comply with all the perfor mance indicators in the manual, and please directly contact our technicians for specific information; 4. the max. capacitive load should be tested within the input voltage range and under full load conditions; 5. unless otherwise specified, data in this datas heet should be tested under the conditions of ta=25 , humidity<75% when inputting nominal voltage and outputting rated load; 6. a ll inde x t esting methods in t his datasheet are based on our company?s corporate standards; 7. the performance indexes o f t he product models listed in t his datasheet are as above, but some indexes of non-standard model products will exceed the above-mentioned requirements, and please directly contact our technicians for specific information; 8. w e can provide product customization service; 9. specifications of t his product are subject t o changes w ithout 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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