the copyright and authority for the interpretation of the products are reserved by mornsun urc_d-30w 2013.05.31-a/2 page 1 of 5 urc_d-30w series 30w ,4:1wide input, isolated & regulated three output dip dc-dc converter patent protection rohs part number system urc240515d-30w product series input voltage main output voltage package rated power supplement output voltage features efficiency up to 88% 4:1 wide input voltage range 1500vdc isolation six-sided metal shield short circuit protection (automatic recovery) operating temperature: -40 c to +85 c industry standard pinout application urc_d-30w series offer 30w of output wide input voltage:9-36vdc, 18-75vdc, and features 1500vdc isolation, six-sided metal shield over current and short circuit protection. all models are particularly suitable for industrial, telecom munication, electric power, test equipments applications. selection guide input voltage(vdc) output current (ma) input current (ma)(typ.) model number nominal (range) max* output voltage (vdc) max. min. @max. load @no load reflected ripple current (ma,typ.) max. capacitive load ( f) efficiency (%, typ.) @max. load URC240312D-30W 3.3/ 12 3500/ 625 175/ 31 30 4700/300 85 urc240315d-30w 3.3/ 15 3500/ 500 175/ 25 1450 30 4700/220 86 urc240512d-30w 5/ 12 3000/ 625 150/ 31 30 4700/300 88 urc240515d-30w 24 (9-36) 40 5/ 15 3000/ 500 150/ 25 1420 30 4700/220 88 urc480312d-30w 3.3/ 12 3500/ 625 175/ 31 30 4700/300 85 urc480315d-30w 3.3/ 15 3500/ 500 175/ 25 720 30 4700/220 85 urc480512d-30w 5/ 12 3000/ 625 150/ 31 30 4700/300 88 urc480515d-30w 48 (18-75) 80 5/ 15 3000/ 500 150/ 25 712 30 30 4700/220 87 note: 1.*input voltage can t exceed this value, or will cause the permanent damage. 2. add suffix h for heat sink mounted, for example urc240515d-30wh. input specifications item test conditions min. typ. max. unit models on -- -- 9 nominal input (24v) models off 8 -- -- models on -- -- 17.8 under voltage lockout nominal input (48v) models off 16 -- -- vdc start-up time -- 10 -- ms models on ctrl leave open or connect ttl high level(3.5-12vdc) models off ctrl connect gnd or low level(0-1.2vdc) ctrl* input current (models off) -- -- 1 ma input filter pi filter note:* the ctrl pin voltage is referenced to gnd. output specifications item test conditions min. typ. max. unit output power 1.5 -- 30 w main output voltage accuracy -- 1 3 supplement output voltage accuracy refer to recommended circuit -- 3 5 %
the copyright and authority for the interpretation of the products are reserved by mornsun urc_d-30w 2013.05.31-a/2 page 2 of 5 from 10% to 100% load input, nominal input (main output) -- -- 2 load regulation* from 10% to 100% load input, nominal input (supplement output) -- -- 5 100% load, input voltage from low to high (main output) -- --- 1 voltage regulation 100% load, input voltage from low to high (supplement output) -- -- 5 main output -- -- 2 cross regulation 100% load(main output and one supplement output). from 25% to 100% load input (the other o ne supplement output ) supplement output -- -- 5 transient response deviation -- 3 5 % transient recovery time load step change -- 300 500 s temperature drift 100% full load -- -- 0.03 %/ c ripple & noise** 20mhz bandwidth -- 85 120 mvp-p 3.3v output -- 3.9 -- 5v output -- 6.2 -- 12v output -- 15 -- over voltage protection(inside circuit) 15v output -- 18 -- vdc over current protection 110 130 -- %io short circuit protection input voltage range hiccup, continual, auto-recovery note: *triple output models unbalanced load (25/100%): 5%max. ** ripple and noise tested by parallel cable method. see detailed operation instructions at dc-dc application notes. common specifications item test conditions min. typ. max. unit isolation voltage tested for 1 minute and leakage current less than 1 ma 1500 -- -- vdc isolation resistance test at 500vdc 1000 -- -- m isolation capacitance input/output,100khz/1v -- 2000 -- pf switching frequency full load, nominal input -- 400 -- khz mtbf mil-hdbk-217f@25 1000 -- -- k hours case material aluminum alloy without heatsink -- 40 -- weight with heatsink -- 52 -- g environmental specifications item test conditions min. typ. max. unit storage humidity non condensing 5 -- 95 % operating temperature power derating (above 55 ) -40 -- 85 storage temperature -55 -- 125 the max. case temperature operating temperature curve range -- -- 105 lead temperature 1.5mm from case for 10 seconds -- -- 300 c cooling free air convection emc specifications ce cispr22/en55022 class b external circuit refer to figure1 emi re cispr22/en55022 class b external circuit refer to figure1 esd iec/en61000-4-2 contact 4kv perf. criteria b eft iec/en61000-4-4 2kv perf. criteria b external circuit refer to figure1 ems surge iec/en61000-4-5 2kv perf. criteria b external circuit refer to figure1
the copyright and authority for the interpretation of the products are reserved by mornsun urc_d-30w 2013.05.31-a/2 page 3 of 5 emc recommended circuit vin gnd +vo2 -vo2 eut load c2 lcm c0 tvs ldm mov fuse c1 c4 vin gnd c3 load 0v +vo1 load (figure 1) recommended external circuit parameters: model urc24_d-30w urc48_d-30w fuse choose according to practical input current mov s10k35 s10k60 ldm 56 h tvs smcj48a smcj90a c0 680 f/50v 680 f/100v c1 1 f /100v lcm 1mh 0.1v 100khz 15t core : ts7 t12*6*4 c2 2.2 f /100v c3 -- c4 1nf/2kv note: 1. in figure 1,part is ems recommended external circuit, part is emi recommended external circuit. choose according to requirements. 2. if want to meet higher level of re, add a common mode inductance after lcm in figure 1: 1.5mh 20t core:a10 t12*6*4. emc recommended circuit pcb layout (figure 2) emc test waveform(class b test circuit) urc240515d-30w ce (positive line) urc240515d-30w ce (negative line) urc240515d-30w re(horizontal) urc240515d-30w re(vertical)
the copyright and authority for the interpretation of the products are reserved by mornsun urc_d-30w 2013.05.31-a/2 page 4 of 5 product typical curve operating temp( c) o u t p u t p o w e r p e r c e n t ( % ) 0 20 40 60 80 100 120 -40 0 40 85 120 65 55 withoutheatsink with heatsink safe operating area efficiency vs input voltage curve (full load) 0 10 20 30 40 50 60 70 80 90 100 9121518212427303336 input voltage(v) efficiency(%) urc240515d-30w efficiency vs output load curve (vin=vin-nominal) 0 10 20 30 40 50 60 70 80 90 100 102030405060708090100 total output current (%) efficiency(%) urc240515d-30w outline dimensions, recommended footprint & packaging
the copyright and authority for the interpretation of the products are reserved by mornsun urc_d-30w 2013.05.31-a/2 page 5 of 5 heatsink assembly & package diagram test configurations input reflected-ripple current test setup input reflected-ripple current is measured with an inductor lin and cin to simulate source impedance. dc cin lin dc load oscilloscope current probe lin(4.7 h) cin(220 f, esr < 1.0 at 100 khz) recommended circuit if you want to further decrease the input surge current and output ripple, an capacitor filtering network may be connected to the input and output ends of the dc/dc converter, see (figure 3). it should also be noted that the capacitance of filter capacitor must be proper. if the capacitance is too big, a startup problem might arise. for every channel of output, provided the safe and reliable operation is ensured, the recommended capacitance of its filter capacitor sees (table 1). dc dc vin gnd vo2 vo3 cout 0v cout cout vo1 (figure 3) recommended circuit external capacitor table (table 1) vout (vdc) cout ( f) 3.3/5 10 12/ 15 4.7 note: 1. the load shouldn't be less than 5%, otherwise ripple will increase dramatically. 2. max. capacitive load is tested on vin-nominal and full load. 3. all specifications measured at ta=25 c, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 4. in this datasheet, all the test methods of indications are based on corporate standards. 5. only typical models listed, other models may be different, please contact our technical person for more details. 6. specifications subject to change without notice. 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: 86-20-38601850 fax:86-20-38601272 e-mail: info@mornsun.cn http://www.mornsun-power.com
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