the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. wrb_s-1w & wrb_s-2w b/0-2012 page 1 of 3 patent protection rohs wrb_s-1w & wrb_s-2w series 1w & 2w, wide input, isolated & regulated single output dc-dc converter features product program miniature sip package 2:1 wide input voltage range operating temperature: -40c to +85c i/o isolation 1500vdc short circuit protection(automatic recovery) internal smd construction rohs compliance applications the wrb_s-1w & wrb_s-2w 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 system on a circuit board. these products apply to: 1) where the voltage of the input power supply is wide range (voltage range 2:1); 2) where isolation is necessary between input and output(isolation voltage 1500vdc); 3) where the regulation of the output voltage and the output ripple noise are demanded. model selection wrb2412s-2w product series input voltage output voltage package style rated power 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 http://www.mornsun-power.com part number input output efficiency (%, typ.) voltage (vdc) no load (ma,typ.) voltage (vdc) current ( ma ) nominal (range) max.* max. min. wrb0503s-1w 5(4.5-9.0) 11 40 3.3 303 30 66 wrb0505s-1w 5 200 20 67 wrb0509s-1w 9 111 11 7 1 wrb0515s-1w 15 67 7 72 wrb0524s-1w 24 42 4 70 wrb0503s-1w6 3.3 500 50 6 4 wrb0505s-2w 5 400 40 67 wrb0509s-2w 9 222 22 72 wrb0512s-2w 12 167 16 73 wrb0515s-2w 15 133 13 72 wrb1203s-1w 12 (9.0-18) 22 20 3.3 303 30 68 wrb1205s-1w 5 200 20 71 wrb1209s-1w 9 111 11 7 4 wrb1212s-1w 12 83 8 75 wrb1215s-1w 15 67 7 77 wrb1224s-1w 24 42 4 72 wrb1205s-2w 5 400 40 75 wrb1209s-2w 9 222 22 77 wrb1212s-2w 12 167 16 79 wrb1215s-2w 15 133 13 80 wrb1224s-2w 24 83 8 78 WRB2403S-1W 24(18-36) 40 10 3.3 303 30 72 wrb2405s-1w 5 200 20 74 wrb2409s-1w 9 111 11 7 8 wrb2412s-1w 12 83 8 78 wrb2415s-1w 15 67 7 78 wrb2424s-1w 24 42 4 78 WRB2403S-1W6 3.3 500 50 67 wrb2405s-2w 5 400 40 78 wrb2409s-2w 9 222 22 79 wrb2412s-2w 12 167 16 80 wrb2415s-2w 15 133 13 80 wrb2424s-2w 24 83 8 82 wrb4803s-1w 48(36-72) 80 5 3.3 303 30 71 wrb4805s-1w 5 200 20 73 wrb4812s-1w 12 83 8 78 wrb4805s-2w 5 400 40 75 wrb4812s-2w 12 167 16 78 wrb4815s-2w 15 133 13 7 8 note: 1.models listed with strike-through text have been officially discontinued. 2.*input voltage can?t exceed this value, or will cause the permanent damage.
the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. wrb_s-1w & wrb_s-2w b/0-2012 page 2 of 3 common specifications typical temperature curve item test conditions min. typ. max. unit operating temp.( ) c storage humidity 95 % operating temperature power derating (above 71c) -40 85 c storage temperature -55 125 tem p . ri s e at f u l l l oa d 15 35 lead temperature 1.5mm from case for 10 seconds 300 cooling free air convection short circuit protection continuous, automatic recovery case material plastic(ul94-v0) mtbf 25c(mil-hdbk-217f) 1000 k hours weight 5.5 g isolation specifications recommende circuit item test conditions min. typ. max. units +vo 0v cout 6 7 8 cs cin vin gnd 2 1 lin (figure 1) input current(a) input voltage (v) input voltage range ip (figure 2) external capacitor table (table 1) vout (vdc) 2w:cout ( f) 1w:cout ( f) 3.3 2200 1000 5 1000 560 9 820 470 12 680 330 15 560 270 24 470 220 isolation voltage tested for 1 minute and 1ma max 1500 vdc isolation resistance test at 500vdc 1000 m ? isolation capacitance input/output, 100khz/1v 80 pf output specifications item test conditions min. typ. max. units output voltage accuracy refer to recommended circuit 1 3 % load regulation 10% to 100% load 0.5 0.75 line regulation input voltage from low to high 0.2 0.5 temperature drift (vout) refer to recommended circuit 0.03 %/c ripple & noise* 20mhz bandwidth 35 100 mvp-p switching frequency 100% load, input voltage range 300 khz *test ripple and noise by ?parallel cable? method. see detailed operation instructions at testing of power converter section, application notes. application note 1) recommended circuit if you want to further decrease the input/output ripple, an ?lc? filtering network may b e connected to the input and output ends of the dc/dc converter, see (figure 1). however, the capacitance of the output 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 greatest capacitance of its filte r capacitor sees (table 1). general: cin: 5v,12v 100 f 24v,48v 10 f~47 f lin: 4.7 h ~120 h cout: 100 f(typ) lout: 2.2 h~10 h cs: 4.7 f~22 f 2) input current while using unstable power source, please ensure the output voltage and ripple voltag e do not exceed indexes of the converter. the preceding power source must be able t o provide for converter sufficient starting current ip (figure 2). general: ip 1.4*iin-max 3) no parallel connection or plug and play
the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. wrb_s-1w & wrb_s-2w b/0-2012 page 3 of 3 outline dimensions & footprint details 1 6 2 7 8 cs vin gnd +vo note: unit mm[inch] pin section tolerances: 0.10mm[ 0.004inch general tolerances: 0.25mm[ 0.010inch] : ] note: unit mm[inch] general tolerances: 0.50mm[ 0.020inch] : l=530mm[20.866inch] tube quantity:22pcs l=220mm[8.661inch] tube quantity:8pcs 0v note: grid mm 2.54*2.54 . footprint details pin function tube outline dimensions recommended footprint mechanical dimensions 12 678 short tube inner packaging dimensions: l*w*h=255*170*80mm; short tube outer packaging dimensions (with six inner packaging boxes): l*w*h=375*280*270mm; long tube inner packaging dimensions: l*w*h=580* 200*100mm; long tube outer packaging dimensions(with two inner packaging boxes): l*w*h=600*215*220mm; long tube outer packaging dimensions(with three inner packaging boxes): l*w*h=600*215*325mm. 12.40 [0.488] 14.40[0.567] 20.40[0.803] 6.40 [0.252] ? 1.00 [0.039] 22.00 [0.866] 2678 9.50 [0.374] 1 1.30 [0.051] 0.30[0.012] 0.50[0.020] 17.78[0.700] (bottom view) 0.50[0.020] 12.00 [0.472] 4.10 [0.161] 2.54[0.100] (front view) note: 1. the load shouldn't be less than 10%, otherwise ripple will increase dramatically. 2. operation under 10% load will not damage the converter; however, they may not meet all specification listed. 3. all specifications measured at ta=25c, 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.
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