the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. wra_sp-2w & wrb_sp-2w a/4-2012 page 1 of 2 wra_sp-2w & wrb_sp-2w series 2w, wide input, dual & single output dip package dc-dc converter patent protection rohs features product program input output voltage (vdc) current (ma) part number nominal range max.* voltage (vdc) max. min. efficiency (%, typ.) wra0505sp - 2w 5 200 20 68 wra0512sp-2w 12 83 8 72 wra0515sp - 2w 15 6 7 6 73 wrb0 505sp - 2w 5 400 40 68 wrb0512sp - 2w 5 4.5-9 11 12 167 16 72 wra1205sp-2w 5 200 20 74 wra1212sp-2w 12 83 8 78 WRA1215SP-2W 15 67 6 79 wrb1205sp-2w 5 400 40 73 wra2412sp - 2w 12 83 8 79 wrb2405sp-2w 5 400 40 77 wrb2424sp - 2w 24 83 8 81 wrb4805sp - 2w 5 400 40 77 wrb4815sp - 2w 12 9-18 22 15 133 13 80 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. isolation specifications item test conditions min. typ. max. units isolation voltage tested for 1 minute and 1ma max 1500 vdc isolation resistance test at 500vdc 1000 m isolation capacitance input/output, 100khz/1v 47 pf common specifications item test conditions min. typ. max. units storage humidity 95 % operating temperature -40 85 storage temperature -55 125 temp. rise at full load 15 lead temperature 1.5mm from case for 10 seconds 300 c no-load power 0.15 w cooling free air convection short circuit protection continuous, automatic recovery case material copper, nickel plated mtbf 1000 k hours weight 14 g 2:1 wide input voltage range operating temperature: -40 c ~+85 c 1.5kvdc isolation metal shielding package no heat sink required short circuit protection industry standard pinout mtbf>1,000,000 hours rohs compliance applications the wra_sp-2w & wrb_sp-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 wrb0505sp-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
the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. wra_sp - 2w & wrb_sp - 2w a/4 - 201 2 page 2 of 2 output specifications typical characteristics item test conditions min. typ. max. units output power see above products program 0.2 2 w positive voltage accuracy refer to recommended circuit 1 3 negative voltage accuracy refer to recommended circuit 3 5 load regulation from 10% to 100% load 0.5 1* 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 50 100 mvp-p switching frequency 100% load, input voltage range 300 khz *dual output models unbalanced load: 5%. **test ripple and noise by parallel cable method. see detailed operation instructions at testing of power converter section, application notes. operating temp.( ) c 100 application note recommeded circuit 1) requirement on output load in order to ensure the product operate efficiently and reliably, in addition to a max load (namely full load), a minimum load is specified for this kind of dc/dc converter. make sure the specifi ed range of input voltage is not exceeded, the minimum output load no less than 10% load. if the actual load is less than the specified minimum load, the output ripple may increase sharply while its efficiency and reliability will reduce greatly. if the actual output power is very small, please add an appropriate resistor as extra loading , or contact our company for other lower output power products. 2) recommended circuit all the wra_sp-2w & wrb_sp-2w s eries have been tested according to the following recommended testing circuit before leaving factory (figure 1). if you want to further decrease the input/output ripple, you can increase capacitance properly or choose capacitors with low esr. 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~47 f cout: 10 f/100ma 3) input current when it is used in unregulated power supply, be sure that the fluctuating range of the power supply and the rippled voltage do not exceed the module standard. input current of power supply should afford the startup current of this kind of dc/dc module (see figure 2), general: ip 1.4*iin-max 4) no parallel connection or plug and play outline dimensions & pin connections 1 2 3 4 5 1 3 2 4 5 vin gnd -vo +vo vin gnd +vo 32.00 0.40 [1.2600.016] no pin 0v 0v 21.59 [0.850] 6 . 3 5 [ 0 . 2 5 0 ] 1 2 . 7 0 [ 0 . 5 0 0 ] 2 0 . 0 0 [ 0 . 7 8 7 ] 4 . 1 0 [ 0 . 1 6 1 ] ? 0.80 [0.031] 3 . 4 0 [ 0 . 1 3 4 ] 1.30 [0.051] 8 . 5 0 [ 0 . 3 2 5 ] 0 . 5 0 [ 0 . 0 2 0 ] 12.70 [0.500] 1 4 5 3 ? 1.30 [0.051] 2 35.00 [1.378] 6.50 [0.256] 1 1 . 5 0 [ 0 . 4 5 2 ] 1 8 . 0 0 [ 0 . 7 0 9 ] footprint details note: unit:mm[inch] pin section tolerances: 0.10mm[ 0.004inch] general tolerances: 0.25mm[ 0.010inch] mechanical dimensions footprint details tube outline dimensions note: unit :mm[inch] general tolerances: 0.50mm[ 0.020inch] l=530mm[20.866inch] tube quantity: 24pcs l=220mm[8.661inch] tube quantity: 9pcs (bottom view) pin single dual nc: no connection. (front view) note: grid 2.54*2.54mm. 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 dc dc vin gnd +vo 0v cin cout vin gnd +vo 0v cin cout dc dc -vo cout single output (figure 1) i n p u t c u r r e n t ( a ) input voltage (v) input voltage range ip (figure 2) output external capacitor table(table 1) single vout (vdc) cout ( f) dual vout (vdc) cout ( f) 5 1000 5 680 12 470 12 330 15 330 15 220 24 220 - - 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=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.
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