mornsun reserves the copyright for any design change and upgrade, we will not make any prior notification wre_p-2w a/2-2012 page 1 of 2 wre_p-2w series wide input high isolated & regulated 2w dual output dip package features product program input output voltage (vdc) current (ma) part number nominal range max* voltage (vdc) max min efficiency (%, typ) WRE0505P-2W 5 4.5-9 11 5 200 20 70 wre 2412 p - 2 w 24 18 - 36 40 12 8 3 8 81 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 flash tested for 60 seconds 3000 vdc isolation resistance test at 500vdc 1000 m output specifications item test conditions min typ max units 2w output power see below products program 0.2 2 w voltage accuracy refer to recommended circuit 1 3 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 20mhz bandwidth 30 50 noise 20mhz bandwidth 50 150 mvp-p switching frequency 100% load, nominal input voltage 80-550(pfm) khz wide (2:1) input range operating temperature: -40 c~+85 c 3 kvdc isolation ul94-v0 package no heat sink required industry standard pin out mtbf>1,000,000 hours rohs compliance applications the wre_p-2 w series are specially designed for applications where a wide range input voltage power supplies are isolated from the input power supply in a di stributed 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 3000vdc); 3) where the regulation of the output voltage and the output ripple noise are demanded. model selection WRE0505P-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.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.
mornsun reserves the copyright for any design change and upgrade, we will not make any prior notification wre_p-2w a/2-2012 page 2 of 2 common specification application note output short circuit protection continuous,automatic recovery temperature rise at full load 15 c (typ) 35 c(max) cooling free air convection no-load power consumption 200mw (typical) operating temperature range -40 c~+85 c storage temperature range -50 c~+125 c lead temperature* 300 c (1.5mm from case for 10 seconds) storage humidity range 95% case material plastic (ul94-v0) mtbf >1,000,000 hours *lead temperature 1.5mm from case for 10 seconds. typical charecteristics operating temp.( ) c temperature derating graph outline dimensions & footprint details 2,3 10,15 9 11 14 16 nc gnd +vo ncnoconnection : . 2 3 91011 2322 161514 1 5 . 2 4 [ 0 . 6 0 0 ] 2.54 [0.100] 31.80 [1.252] 2 0 . 3 0 [ 0 . 8 0 0 ] 22.86 [0.900] 4 . 1 0 [ 0 . 1 6 1 ] 9 . 5 0 [ 0 . 3 7 4 ] ? 0.50 [0.020] 22,23 vin 0v nc nc 2 3 91011 2322 161514 ? 1.00 [0.039] mechanicaldimensions recommendedfootprint footprintdetails tubeoutinedimensions note unitmm[inch] pindiametertolerances: 0.10mm[ 0.004inch generaltolerances 0.25mm[ 0.010inch] : : ] : pin function note unitmm[inch] general tolerances 0.50mm[ 0.020inch] : : : l=530mm[20.866inch] devicespertubequantity: 15pcs l=220mm[8.661inch] devicespertubequantity: 6pcs shorttubeinnerpackagingdimensions: l*w*h=255*170*80mm; shorttubeouterpackaging dimensions (withsixinnerpackagingboxes): l*w*h=375*280*270mm; long tubeinnerpackagingdimensions: l*w*h=580*200*100mm; long tubeouterpackagingdimensions(withtwoinnerpackagingboxes) l*w*h=600*215*220mm; long tubeouterpackagingdimensions(with threeinnerpackagingboxes) l*w*h=600*215*325mm. notegrid 2.54*2.54mm : . () front view () bottom view 23.50[0.925] 10.50[0.413] 1 3 . 0 0 [ 0 . 5 1 2 ] 1 9 . 0 0 [ 0 . 7 4 8 ] requirement on output load to ensure this module operate efficiently and reliably, a minimum load is specified for this kind of dc/dc converter in addition to a maximum load (namely full load). during operati on, make sure the specified range of input voltage is not exceeded, the minimum out put load is not less than 10% . if the actual load is less below the specified minimum load, the output ripple of this type of dc/dc converter may increase drastically. if t he actual output power from the load in your circuit is very small, please connect a resistor with proper resistance at the output end to in parallel to increase the load, or use our company s other products with a lower rated output power. recommended circuit all the wre_p-2 w series have been tested according to the following recommended testing circuit before leaving factory. this series should be tested under load.(see figure 1). + vo 0v - vo if you want to further decrease the input /output ripple, you can increase capacitance properly or choose capacitors with low esr. however, the capacitance should not be too high. external capacitor although this series of dc/dc converter can work without external capacitor, in order to keep an o ptimum performance, however, it needs external capacitor. (table 1) external capacitor table(table 1) vin cin cout 5v&12v 100uf 24v&48v 10uf 100uf (electrolytic capacitor) input current when it is used in unregulated power supply, be sure that the flu ctuating 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. (figure 2) i n p u t c u r r e n t ( a ) input voltage (v) input voltage range ip the products cannot be used in parallel and in plug and play.
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