wr wr a- a- yd- yd- 2 2 0w 0w & & wrb wrb - - yd- yd- 2 2 0w 0w series(2.16) series(2.16) 1 http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 1 of 3 microdc r eserves the copyright selection selection guide guide order code input output efficiency (%.typ.) capacitance (max,uf.) voltage(vdc) voltage (vdc) current ( ma ,typ). nominal range wra 12 03yd- 20w 12 9 - 18 3.3 2000 85 19000 wra 12 05yd- 20w 12 9 - 18 5 2000 8 8 10300 wra 12 12yd- 20w 12 9 - 18 12 833 83 3340 wra 12 15yd- 20w 12 9 - 18 15 667 82 1100 wra 1224 yd- 20w 12 9 - 18 24 417 81 900 wra 2403yd- 20w 24 18 -36 3.3 2000 81 19500 wra 2405yd- 20w 24 18 -36 5 2000 88 10200 wra 2412yd- 20w 24 18 -36 12 833 81 3300 wra 2415yd- 20w 24 18 -36 15 667 83 1100 wra 24 24 yd- 20w 24 18 -36 24 417 85 900 wra 4803yd- 20w 48 36 -7 5 3.3 2000 83 19500 wra 4805yd- 20w 48 36 -7 5 5 2000 81 10200 wra 4812yd- 20w 48 36 -7 5 12 833 81 3300 wra 4815yd- 20w 48 36 -7 5 15 667 84 1100 wra 48 24 yd- 20w 48 36 -7 5 24 417 81 900 wrb 12 03yd- 20w 12 9 - 18 3.3 4000 85 19000 wrb 12 05yd- 20w 12 9 - 18 5 4000 8 8 10300 wrb 12 12yd- 20w 12 9 - 18 12 1667 83 3340 wrb 12 15yd- 20w 12 9 - 18 15 1334 82 1100 wrb 1224 yd- 20w 12 9 - 18 24 834 81 900 wrb2403yd- 20w 24 18 -36 3.3 4000 81 19500 wrb2405yd- 20w 24 18 -36 5 4000 88 10200 wrb2412yd- 20w 24 18 -36 12 1667 81 3300 wrb2415yd- 20w 24 18 -36 15 1334 83 1100 wrb24 24 yd- 20w 24 18 -36 24 834 85 900 wrb4803yd- 20w 48 36 -7 5 3.3 4000 83 19500 wrb4805yd- 20w 48 36 -7 5 5 4000 81 10200 wrb4812yd- 20w 48 36 -7 5 12 1667 81 3300 wrb4815yd- 20w 48 36 -7 5 15 1334 84 1100 wrb48 24 yd- 20w 48 36 -7 5 24 834 81 900 model model selection selection wrb wrb 24 24 15 15 y y d d - - 20w 20w (2.16) (2.16) product series input voltage output voltage wide (2:1) input range dip package style rated power product size(l w): 50.8 40.6mm(2 1.6inch) 2 0w, w ide input,dip package style,isolated®ulated dual/ s ingle o utput dc-dc c onverters features features wide (2:1) input range short circuit protection(automatic recovery) 1500vdc isolation operating temperature: -40 85 six sided metal shielding over voltage protection internal smd construction rohs /ce compliance industry standard pin out mtbf>1000khours common common specifications specifications parameter conditions min. typ. max. units storage humidity 5 95 % operating temperature -40 85 storage temperature -55 1 0 5 lead temperature 1.5mm from case for 10 seconds 300 case material steel,nickel coated, copper isolation voltage tested for1 minute and 1ma max 1 5 00 vdc isolation resistance 1000 m isolation capacitance 100khz/1v 1000 pf mtbf 1000 k hours weight 45 g applications applications the wr-yd-20w(2.16) 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. input input specifications specifications parameter conditions min. typ. max. units start up time 20 ms input filter pi method of remote (reference point:gnd) o n 2 .5- 3 0vdc or open circuit off 0-1.2vdc
wr wr a- a- yd- yd- 2 2 0w 0w & & wrb wrb - - yd- yd- 2 2 0w 0w series(2.16) series(2.16) 2 http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 2 of 3 typical typical characteristics characteristics temperature derating graph temperature temperature characteristics characteristics parameter conditions min. typ. max. units output voltage accuracy refer to recommended circuit 1 3 % over load protection input voltage range 120 130 150 % output short circuit input voltage range hiccup,automatics recovery load regulation from 10% to 100% load 0.5 1 % trim 10%v o vdc temperature drift (vout) 0.0 2 %/ line regulation input voltage from low to high 0.2 0.5 % ripple noise tested under 20mhz brand 50 75 1 50 mv transient recovery time 25% load change 200 300 us transient peak deviation 2 3 5 % over voltage protection 3.3v 3.63 4.29 vdc 5v 5.5 6.5 vdc 12v 13.2 15.6 vdc 15v 16.5 19.5 vdc 24v 26.4 31.2 vdc note: 1. all specifications are measured at ta=25 c, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 2. the ctrl control pin voltage is referenced to gnd. 3. typical efficiency value at nominal input voltage and full load. 4. capacitor max load tested at nominal input voltage and constant resistive load. 5. refer to the diagram of output voltage trim up/down for trim applications. 6. the products cannot be used in parallel and in plug and play. case material derating derating efficiency efficiency curve curve ei6peii.) (. (6)16) (cr 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 tl dvpp dwnt 2-z dlnf .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. teusv lc %ccuouvtor l( utged llddnbv nirw1w13,y w-n ml gnunddvd olttvodult lu gdeb ntf gdnr recommended recommended circuit circuit output graph in order to obtain better performance for the dc/dc models . it s recommended that use input and output filters as fig.1 shown. l:12uh c:100uf/100v output output voltage voltage trim trim output graph teusv lc %ccuouvtor l( ledged dlnf nirw1w13,y w-n
wr wr a- a- yd- yd- 2 2 0w 0w & & wrb wrb - - yd- yd- 2 2 0w 0w series(2.16) series(2.16) 3 http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 3 of 3 outline outline dimensions dimensions footprint footprint details details recommended recommended footprint footprint top view grid:2.54mm(0.1inch) d iameter:1. 5 0mm(0.0 5 9inch) footprint footprint details details pin single dual 1 vin vin 2 gnd gnd 3 c trl c trl 4 trim trim 5 -vo -vo 6 +vo common 7 no pin +vo n ote: the ctrl control pin voltage is referenced to gnd note: 1. the ctrl control pin voltage is referenced to gnd . 2. typical efficiency value at nominal input voltage and full load . 3. all specifications measured at ta=25 c, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 4. in this data sheet, all the test methods of indications are based on corporate standards. 5. capacitor max load tested at nominal input voltage and constant resistive load . when the environment temperature is higher than 71 , the product output power should be less then 60% of the rated power. no parallel connection or plug and play. use dual output simultaneously,forbid pening output pin (0v) to use as single output. mechanical mechanical dimensions dimensions note: unit:mm ( inch ) pin diameter : 1.00 mm ( 0.0 39 inch ) pin diameter toleranc e s: 0. 05 mm ( 0.00 2 inch ) general tolerances: 0.25mm ( 0.010inch ) tube tube outline outline dimensions dimensions note: unit :mm[inch] general tolerances: 0. 2 50mm[ 0.0 1 0inch]
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