mornsun reserves the copyright specifications subject to change without notice. pwa_(m)d-3w&pwb_(m)d-3w a/0-2008 page 1 of 2 pwa_(m)d-3w&pwb_(m)d-3w series 3w, wide input, isolated & regulated dual/single output dc-dc converter multi-country patent protection rohs features product program input output voltage (vdc) current (ma) part number nominal range max* no-load (ma)(typ) voltage (vdc) max min efficiency (%, typ) pwa2405(m)d-3w 5 300 30 76 pwa2412(m)d-3w 12 125 12 80 pwa2415(m)d-3w 15 100 10 80 pwb2403(m)d-3w 3.3 909 90 74 pwb2405(m)d-3w 5 600 60 76 pwb2412(m)d-3w 12 250 25 80 pwb2415(m)d-3w 24 9.0-36 40 16 15 200 20 80 pwa4805(m)d-3w 5 300 30 76 pwa4812(m)d-3w 12 125 12 80 pwa4815(m)d-3w 15 100 10 80 pwb4803(m)d-3w 3.3 909 90 74 pwb4805(m)d-3w 5 600 60 78 pwb4812(m)d-3w 12 250 25 80 pwb4815(m)d-3w 48 18-72 80 8 15 200 20 80 * input voltage over it may cause permanent damage to the device. note: the load shouldn't be less than 10%, otherwise ripple will increase dramatically. operation under 10% load will not damage the converter; however, they may not meet all specification listed. output specifications item test conditions min typ max units output power see below products program 0.3 3 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 75 150 mvp-p switching frequency 100% load, nominal input voltage 300 khz isolation capacitance 100 pf *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. wide (4:1) input range operating temperature: -40 c to +85 c 1500vdc isolation short circuit protection(automatic recovery) internal smd construction ul94-v0 package no external component required industry standard pinout five sided metal shielding (pwa/b_md) mtbf>1,000,000 hours rohs compliance applications the pwa_(m)d-3w & pwb_(m)d-3w 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 4:1); 2) where isolation is necessary between input and output (isolation 1500vdc); 3) where the regulation of the output voltage and the output ripple noise are demanded. model selection pwb2412md-3w product series input voltage output voltage package style rated power mornsun science & technology co.,ltd. address: 2th floor 6th building, huangzhou industrial district, guangzhou, china tel: 86-20-38601850 fax: 86-20- 38601272 http://www.mornsun-power.com note: 1. all specifications measured at ta=25 c, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 2. see below recommended circuits for more details. www..net
mornsun reserves the copyright specifications subject to change without notice. pwa_(m)d-3w&pwb_(m)d-3w a/0-2008 page 2 of 2 common specification 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 isolation resistance tested for 1 minute and 1 ma max 1500 vdc isolation capacitance test at 500vdc 1000 m cooling free air convection short circuit protection d: plastic (ul94-v0) md: steel, nickel plated case material continuous , automatic recovery mtbf 1000 k hours weight 15 g typical charecteristics operating temp.( ) c 100 outline dimensions & footprint details 2391011 2322161514 4.25 31.80(1.252) 2.54 22.86(0.900) 4 . 1 0 (0.100) (0.167) 2 0 . 0 0 ( 0 . 7 8 7 ) ( 0 . 1 6 1 ) ( 0 . 3 9 4 ) 9 . 5 0 1 0 . 0 0 ( 0 . 3 9 4 ) 0 . 3 7 4 ) ( footprint details single/dual output 2 3 9 11 14 16 22 23 pin 2,3 9 11 14 16 22,23 gnd nc nc +vo 0v vin gnd 0v -vo +vo vin nc:no connection 10 15 p w _ d - 3 w p w _ m d - 3 w (bottom view) (side view) 10,15 nc nc 0v recommended footprint top view,grid:2.54mm(0.1inch), diameter:1.00mm(0.039inch) note: unit:mm(inch) pin diameter:0.50mm(0.020inch) pin diameter tolerances:0.05mm(0.002inch) general tolerances:0.25mm(0.010inch) dual single first angle projection 2 0 . 3 0 ( 0 . 8 0 0 ) p w _ d - 3 w p w _ m d - 3 w application note 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 specified 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 r esistor as extra loading, or contact our company for other lower output power products. recommended circuit all the pwa_(m)d-3w & pwb_(m)d-3w series have been tested according to the following recommended testing circuit before leaving factory. this series sho uld be tested under load (see figure 1). dc dc vin gnd +vout 0v cin vin gnd +vout 0v cin dcdc -vout single output figure 1 if you want to further decrease the input/outp ut ripple, you can increase capacitance properly or choose capacitors with low esr. however, the capacitance should not be too high, or may cause start-up problem. if you want to use the products in high emi, please choose our metal packaged products (pwa_md-3w&pwb_md-3w). generally: cin: 24v&48v 10 f~47 f cout: 10 f/100ma output external capacitor table (table 1) single vout (vdc) cout (uf) daul vout (vdc) cout (uf) 3.3 2200 5 680 5 1000 12 330 12 470 15 220 15 330 24 100 input current while using unstable power source, please ensure th e output voltage and ripple voltage do not excce ed 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 i n p u t c u r r e n t ( a ) input voltage (v) input voltage range ip no parallel connection or plug and play. www..net
|
