dc/dc converte r wre_p- 3wr2 & wrf_p- 3wr2 series 201 4 .03.26- a /4 page 1 of 6 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation 3 w ,wide input isolated & regulated dc-dc converter patent protection rohs features z wide range of input voltage (2:1) z dip package z efficiency up t o86% z 3kvdc isolation z short circuit protection(automatic recovery) z operating t emperature range:-40 c~+85 c z meet en60950 the wre_p-3wr2 & wrf_p-3wr2 series are specially designed for applications where a wide range input voltage power supplies are isolated from the input power supply in a distributed power supply sys tem on a circuit board. for these d c-dc converters, you can reduce the failure points of design, and save the manpower, material and time cost in developing micro power supply, and also ensure bette r quality, stability, safety protection, and reliability for the end products. these products apply to where: 1) where the voltage variation range of the input power supply 2:1; 2) where isolation is necessary between input and output (isolation voltage 3kvdc); 3) where high requirements for the output voltage stability and output ripple noise are applied; in circuits such as industrial control, electric power, communication system power supply, etc. selection guide part no. input voltage (vdc) output efficiency (%,typ.) @fullload max. capacitive load ( f) certification nominal (range) max. output voltage (vdc) output current (ma) (max./min.) wre0505p-3wr2 5 (4.5-9) 11 5 300/15 76 2200 -- wre0512p-3wr2 12 125/6 78 1800 wre0515p-3wr2 15 100/5 78 1000 WRF0505P-3WR2 5 600/30 74 4700 wrf0512p-3wr2 12 250/12 77 2700 wrf0515p-3wr2 15 200/10 77 2200 wre1205p-3wr2 12 (9-18) 20 5 300/15 81 2200 wre1209p-3wr2 9 166/8 84 2000 wre1212p-3wr2 12 125/6 84 1800 wre1215p-3wr2 15 100/5 85 1000 wrf1203p-3wr2 3.3 909/46 74 4700 wrf1205p-3wr2 5 600/30 81 4700 wrf1212p-3wr2 12 250/12 83 2700 wrf1215p-3wr2 15 200/10 82 2200 wrf1224p-3wr2 24 125/6 83 1800 wre2405p-3wr2 24 (18-36) 40 5 300/15 82 2200 wre2412p-3wr2 12 125/6 84 1800 wre2415p-3wr2 15 100/5 84 1000 wrf2403p-3wr2 3.3 909/46 78 4700 wrf2405p-3wr2 5 600/30 81 4700 ce wrf2412p-3wr2 12 250/12 86 2700 -- wrf2415p-3wr2 15 200/10 86 2200 wrf2424p-3wr2 24 125/6 85 1800 wre4803p-3wr2 48 (36-75) 80 3.3 909/46 76 4700 wre4805p-3wr2 5 300/15 82 2200 wre4812p-3wr2 12 125/6 84 1800
dc/dc converte r wre_p- 3wr2 & wrf_p- 3wr2 series 201 4 .03.26- a /4 page 2 of 6 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation wre4815p-3wr2 48 (36-75) 80 15 100/5 85 1000 -- wrf4805p-3wr2 5 600/30 82 4700 wrf4812p-3wr2 12 250/12 86 2700 wrf4815p-3wr2 15 200/10 86 2200 note: . absolute maximum rating without damage on the converter, but it isn't recommended; . for dual output converter, the given value is the same for each output. 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) 5vdc in p ut -- 811/40 -- m a 12vdc input 309/30 24vdc in p ut 155/15 4 8vdc in p ut 77/5 reflected ripple current 5vdc input -- 20 -- 12vdc in p ut 30 24vdc in p ut 30 4 8vdc input 30 in p ut im p ulse v olta g e(1sec.max.) 5vdc in p ut -0.7 -- 12 v dc 12vdc in p ut -- 25 24vdc input -- 50 4 8vdc in p ut -- 100 startin g v olta g e 5vdc in p ut -- -- 4.5 12vdc in p ut -- -- 9 24vdc in p ut -- -- 18 4 8vdc input -- -- 36 in p ut filter pi filter output specifications item operating conditions min. typ. max. unit output voltage accuracy -- 1 3 % no load output voltage accuracy input voltage range -- 1.5 5 balance of output voltage dual output, balanced load -- 0.5 1 linear regulation full load, the input voltage is from low voltage to high voltage -- 0.2 0.5 load regulation 5%-100% load -- 0.2 0.5 transient recovery time 25%loadstepchange -- 0.5 2 ms transient response deviation -- 2 5 % temperature coefficient full load -- 0.02 0.03 %/ c ripple&noise* 20mhz bandwidth -- 50 80 mv p-p short circuit protection input voltage range continuous, self-recovery note: * ripple and noise are measured by ?parallel cable? method, plea se see dc-dc converter application notes for specific operation. 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 3000 -- -- vdc insulation resistance input-output, isolation voltage 500vdc 1000 -- -- m ? isolation capacitance input-output, 100khz/0.1v -- 30 50 pf operating temperature dera ting if the temperature is 85 c(seefig.1) -40 -- 85 storage temperature -55 -- 125 casing temperature rise ta=2 5 -- 25 --
dc/dc converte r wre_p- 3wr2 & wrf_p- 3wr2 series 201 4 .03.26- a /4 page 3 of 6 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation hand soldering welding spot is 1.5mm away from the casing, 10 seconds -- -- 300 storage humidity non-condensing 5 -- 95 % switching frequency(pfm mode) 100% load, nominal input voltage -- 200 -- khz mtbf mil-hdbk-217f@25 c1000----khours physical specifications casing material plastic(ul94-v0) dimensions 31.60*20.30*10.20 mm weight 14g(typ.) cooling free convection emc specifications emi conducted emission cispr22/en55022 class b (see fig.3- for recommended circuit) radiated emission cispr22/en55022 class b (see fig.3- for recommended circuit) ems electrostatic discharge iec/en61000-4-2 contact 4kv/ air 8kv 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( ) temperature derating curve output power percentage(%) safe operating area -40 040 105 85 120 80 60 100 120 40 20 0 fig. 1 wre2415p- 3wr2 50 55 60 65 70 75 80 85 90 95 100 18 21 24 27 30 33 36 efficiency(%) input voltage(v) efficiency vs input voltage (full load) wre2415p- 3wr2 20 30 40 50 60 70 80 90 100 10 20 30 4 05060708090100 efficiency(%) output current percentage(%) efficiency vs output load(vin=vin-nominal)
dc/dc converte r wre_p- 3wr2 & wrf_p- 3wr2 series 201 4 .03.26- a /4 page 4 of 6 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation wrf2405p- 3wr2 50 55 60 65 70 75 80 85 90 95 100 18 21 24 27 30 33 36 efficiency(%) input voltage(v) efficiency vs input voltage (full load) wrf2405p- 3wr2 20 30 40 50 60 70 80 90 100 10 20 30 4 05060708090100 efficiency(%) output current percentage(%) efficiency vs output load(vin=vin-nominal) design reference 1. output load requirements to ensure that the module can work efficiently and reliably, its output min. load shall be no lower than 5% of the rated load when using, or the output ripple may increase rapidly. ensure that the product working load must be higher than 5% of the rated load. 2. 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 dual single fig. 2 vin 5v&12v 24v&48v cin 100 f10 f~47 f cout 10 f 3. emc solution-recommended circuit vin gnd +vo -vo (0v) dc/dc load c2 ldm1 c0 mov fuse c1 cy vin gnd + 1 c3 fig. 3
dc/dc converte r wre_p- 3wr2 & wrf_p- 3wr2 series 201 4 .03.26- a /4 page 5 of 6 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation parameter description: model vin:5v vin:12v vin:24v vin:48v fuse slow blown fuses according to the actual input current selections of the clients mov -- s14k25 s14k35 s14k60 c0 1000 f 1000 f330 f/50v 330 f/100v c1 4.7 f/50v 4.7 f/100v ldm1 12 h c2 4.7 f/50v 4.7 f /100v c3 10 f cy1 1nf/3kv note: .part in the fig. 3 is used for ems test and part for emi filtering; selected based on needs. .if there is no recommended parameters, the model no require the external component. emc solution-recommended circuit pcb layout dual single fig. 4 note: note: the min. distance of the bonding pads between input grounding and output grounding shall be 2mm. 4. input current when the electricity is provided by the unstable power supply, please make sure that the range of the output voltage fluctuation and the ripple voltage of the power supply do not exceed the indicators of the mo dules. input current of power supply should afford the flash startup currentofthiskindofdc/dcmodule(seefig.5). generally: vin=5v iave =1400ma vin=12v iave=620ma vin=24v iave=310ma vin=48v iave =150ma input current(a) input voltage (v) input voltage scope iave fig. 5 5. for more information please find dc-dc converte r application notes on www.mornsun-power.com
dc/dc converte r wre_p- 3wr2 & wrf_p- 3wr2 series 201 4 .03.26- a /4 page 6 of 6 mornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation dimensions and recommended layout note: 1. packing information please refer to 'product packing information'. packing bag number: 58210008; 2. the min. load shall be no lower than 5%, or the output ripple may increase rapidly; if the product is operated under the min. required load, the product performance cannot be guaranteed to comply with all performance indexes in the manual, but the reliability of the product will not be influenced; 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 datasheet should be tested under the conditions of ta=25 , humidity<75% when inputting nominal voltage and outputting rated load; 6. all index testing methods in this datasheet are based on our company?s corporate standards; 7. the performance indexes of the product models listed in this 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. we can provide product customization service; 9. 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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