mornsun reserves the copyright specifications subject to change without notice. wra_cs-2w & wrb_cs-2w a/3-2012 page 1 of 2 wra_cs-2w & wrb_cs-2w series 2w, wide input, isolated & regulated dual/single output dc-dc converter patent protection rohs product program input output voltage (vdc) current (ma) part number nominal(range) max* no load (ma)(typ) voltage (vdc) max min efficiency (%, typ) wra0505cs-2w 5 200 20 67 wra0509cs-2w 9 111 11 71 wra0512cs-2w 12 83 8 72 wra0515cs-2w 15 67 7 73 wra0524cs-2w 24 42 4 72 WRB0503CS-1W6 3.3 500 50 64 wrb0505cs-2w 5 400 40 67 wrb0509cs-2w 9 222 22 72 wrb0512cs-2w 12 167 16 73 wrb0515cs-2w 15 133 13 72 wrb0524cs-2w 5 (4.5-9.0) 11 40 24 80 8 71 wra1205cs-2w 5 200 20 73 wra1209cs-2w 9 111 11 74 wra1212cs-2w 12 83 8 78 wra1215cs-2w 15 67 7 77 wrb1203cs-1w6 3.3 500 50 68 wrb1205cs-2w 5 400 40 75 wrb1209cs-2w 9 222 22 77 wrb1212cs-2w 12 167 16 79 wrb1215cs-2w 15 133 13 80 wrb1224cs-2w 12 (9.0-18) 22 20 24 80 8 78 wra2405cs-2w 5 200 20 76 wra2409cs-2w 9 111 11 78 wra2412cs-2w 12 83 8 79 wra2415cs-2w 15 67 7 78 wrb2403cs-1w6 3.3 500 50 67 wrb2405cs-2w 5 400 40 77 wrb2409cs-2w 9 222 22 79 wrb2412cs-2w 12 167 16 80 wrb2415cs-2w 15 133 13 80 wrb2424cs-2w 24 (18-36) 40 10 24 80 8 80 wra4805cs-2w 5 200 20 75 wra4809cs-2w 9 111 11 78 wra4812cs-2w 12 83 8 79 wra4815cs-2w 15 67 7 79 wrb4803cs-1w6 3.3 500 50 71 wrb4805cs-2w 5 400 40 75 wrb4809cs-2w 9 222 22 76 wrb4812cs-2w 12 167 16 78 wrb4815cs-2w 15 133 13 78 wrb4824cs-2w 48 (36-72) 80 5 24 80 8 80 features miniature sip package wide (2:1) input range regulated outputs i/0 isolation 1500vdc short circuit protection(automatic recovery) external on/off control internal smd construction operating temperature: -40 c to +85 c rohs compliance applications the wra_cs-2w & wrb_cs-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) whe re 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 wra0512cs-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 note: 1.* input voltage can t exceed this value, or will cause the permanent damage. 2. operation under 10% load will not damage the converter; however, they may not meet all specification listed.
mornsun reserves the copyright specifications subject to change without notice. wra_cs-2w & wrb_cs-2w a/3-2012 page 2 of 2 common specification application note item test conditions min typ max units storage humidity 95 % operating temperature -40 85 storage temperature -50 125 temp. rise at full load 15 35 lead temperature 1.5mm from case for 10 seconds 300 c 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 no-load power consumption 100 mw cooling free air convection short circuit protection continuous case material plastic(ul94-v0) mtbf 1000 k hours weight 5.5 g output specifications item test conditions min typ max units output voltage accuracy input voltage range refer to output load 1 3 10% to 100% load(wrb_cs-2w) 0.5 0.75 load regulation 10% to 100% load(wra_cs-2w) 0.5 1.0 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 input voltage range 100% load 180-500(pfm) khz *t est ripple and noise by parallel cable method. see detailed operation instructions at testing of power converter section, application notes. note: 1. all specifications measured at t a =25 c, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 2. see below recommended circuits for more details typical temperature curve operating temp.( ) c outline dimensions & footprint details 1 3 2 5 nc gnd -vo +vo 0v 6 ctrl vin gnd +vo ? 1.00 [0.039] 2 3 5 6 7 8 1 vin 8 cs 7 ctrl 0v footprint details note: unit:mm[inch] pin section tolerances: 0.10mm[ 0.004inch] general tolerances: 0.25mm[ 0.010inch] mechanical dimensions recommended footprint tube outline dimensions note: unit :mm[inch] general tolerances: 0.50mm[ 0.020inch] 22.00 [0.866] 2 3 5 6 7 8 9 . 5 0 [ 0 . 3 7 4 ] 1 1 . 3 0 [ 0 . 0 5 1 ] 0 . 3 0 [ 0 . 0 1 2 ] 0.50[0.020] 17.78[0.700] (bottom view) 0 . 5 0 [ 0 . 0 2 0 ] 1 2 . 0 0 [ 0 . 4 7 2 ] 4 . 1 0 [ 0 . 1 6 1 ] 2.54[0.100] (front view) nc: no connection pin single dual nc l=530mm[20.866inch] devices per tube quantity: 22pcs l=220mm[8.661inch] devices per tube quantity: 8pcs short tube inner package dimensions: l*w*h= 255*170*80mm short tube outer package dimensions(with six inner package boxes): l*w*h= 375*280*270mm long tube inner package dimensions: l*w*h= 580*200*100mm long tube outer package dimensions(with two inner package boxes): l*w*h= 600*215*220mm long tube outer package dimensions(with three inner package boxes): l*w*h= 600*215*325mm 12.40 [0.488] 1 4 . 4 0 [ 0 . 5 6 7 ] 2 0 . 4 0 [ 0 . 8 0 3 ] 6.40 [0.252] note: grid mm 2.54*2.54. ctrl terminal when open or high impedance,the converter work well; when this pin is high ; the converter shutdown; it should be note that the input current (ic) should between 5- 10ma, exceeding the maximum 20ma w ill cause permanence damage to the converter. the value of r can be derived as follows : c d c i v v r 0 . 1 - - = recommended circuit if you want to further decrease the input/output ripple, an lc filtering network may be connected to the input and out put ends of the dc/dc converter, see (figure 1). single output +vo 0v cout 6 7 8 cs cin vin gnd 2 1 3 vc r lin ic d1 dual output +vo 0v cout 6 8 7 cout lout lout -vo cin vin gnd 2 1 3 vc r lin ic d1 (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 filter capacitor sees (table 1). general: cin: 5v,12v 100 f 24v,48v 10 f - 22 f lin: 4.7 h -120 h cout: 100 f(typ) lout: 2.2 h-10 h cs: 10 f - 22 f external capacitor table(table 1) single vout (vdc) cout ( f) dual vout (vdc) cout ( f) 3.3 2200 - - 5 1000 5 560 9 820 9 470 12 680 12 330 15 560 15 270 24 470 24 100 input current while using unstable power source, please ensure the output voltage and ripple voltage do not excced indexes of the converter. the preceding power source must be able to provide for converter sufficient starting current ip (figure 2). general: ip 1.4*iin-max no parallel connection or plug and play. i n p u t c u r r e n t ( a ) input voltage (v) input voltage range ip
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