wrb wrb wrb wrb wrb wrb wrb wrb - - - - - - - - yd yd yd yd yd yd yd yd -30w -30w -30w -30w -30w -30w -30w -30w series series (2 (2 . . 16) 16) 1 http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 1 of 3 order order order order code code code code input input input input output output output output efficiency efficiency efficiency efficiency (%.typ.) capacitance capacitance capacitance capacitance (max,uf.) voltage(vdc) voltage (vdc) current (%,typ). nominal range wrb 12 03yd- 30 w 12 9 - 18 3.3 6 00 0 85 19000 wrb 12 05yd- 30 w 12 9 - 18 5 6000 8 8 10300 wrb 12 12yd- 30 w 12 9 - 18 12 2500 83 3340 wrb 12 15yd- 30 w 12 9 - 18 15 2000 82 1100 wrb 1224 yd- 30 w 12 9 - 18 24 1250 81 900 wrb2403yd- 30 w 24 18 -36 3.3 6 00 0 81 19500 wrb2405yd- 30 w 24 18 -36 5 6000 88 10200 wrb2412yd- 30 w 24 18 -36 12 2500 81 3300 wrb2415yd- 30 w 24 18 -36 15 2000 83 1100 wrb24 24 yd- 30 w 24 18 -36 24 1250 85 900 wrb4803yd- 30 w 48 36 -7 5 3.3 6 00 0 83 19500 wrb4805yd- 30 w 48 36 -7 5 5 6000 81 10200 wrb4812yd- 30 w 48 36 -7 5 12 2500 81 3300 wrb4815yd- 30 w 48 36 -7 5 15 2000 84 1100 wrb48 24 yd- 30 w * 48 36 -7 5 24 1250 81 900 *designing model model model model model model model model selection selection selection selection selection selection selection selection wrb wrb wrb wrb wrb wrb wrb wrb 24 24 24 24 24 24 24 24 15 15 15 15 15 15 15 15 y y y y y y y y d d d d d d d d - - - - - - - - 30w 30w 30w 30w 30w 30w 30w 30w product series input voltage output voltage wide (2:1) input range dip package style rated power 30w, 30w, 30w, 30w, w w w w i i i i de de de de input, input, input, input, dip dip dip dip package,isolated®ulated package,isolated®ulated package,isolated®ulated package,isolated®ulated single single single single output output output output dc-dc dc-dc dc-dc dc-dc converter converter converter converter features features features features features features 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 compliance industry standard pin out mtbf>1000khours applications applications applications applications applications applications applications applications the wrb_yd- 30 w 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 circuitboard. th e se productsapply 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. microdc reserves the copyright selection selection selection selection selection selection selection selection guide guide guide guide guide guide guide guide common common common common common common common common specifications specifications specifications specifications specifications specifications 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 input input input input input input input input specifications specifications specifications specifications specifications specifications specifications specifications parameter conditions min. typ. max. units st art voltage/under voltage shutdown 12v input models 8.6/8.1 8.8/8. 9/8.5 vdc 24v input models 17.5/16 17.8/1 18/17 vdc 48v input models 34/32 35/33 36/34 vdc start up time 20 ms input filter pi method of remote (reference point:gnd) o n 3.5-40vdc or open circuit off 0-1.2vdc
wrb wrb wrb wrb wrb wrb wrb wrb - - - - - - - - yd yd yd yd yd yd yd yd -30w -30w -30w -30w -30w -30w -30w -30w series series (2 (2 . . 16) 16) 2 http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 2 of 3 typical typical typical typical typical typical typical typical characteristics characteristics characteristics characteristics characteristics characteristics characteristics characteristics temperature derating graph 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%v0 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 temperature temperature temperature temperature temperature temperature temperature temperature characteristics characteristics characteristics characteristics characteristics characteristics characteristics characteristics derating derating derating derating derating derating derating derating efficiency efficiency efficiency efficiency efficiency efficiency efficiency efficiency curve curve curve curve curve curve curve curve requirement requirement requirement requirement on on on on output output output output load load load 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 no no no less less less less than than than than 10% 10% 10% 10% load load load 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. curve curve curve curve of of of of efficiency efficiency efficiency efficiency vs vs vs vs input input input input voltage voltage voltage voltage wrb2424yd-30w wrb2424yd-30w wrb2424yd-30w wrb2424yd-30w no no no no parallel parallel parallel parallel connection connection connection connection or or or or plug plug plug plug and and and and play play play play recommended recommended recommended recommended recommended recommended recommended recommended circuit circuit circuit circuit circuit circuit circuit circuit output graph in order to abtain 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 output output output output output output voltage voltage voltage voltage voltage voltage voltage voltage trim trim trim trim trim trim trim trim output graph curve curve curve curve of of of of efficiency efficiency efficiency efficiency vs vs vs vs output output output output load load load load wrb2424yd-30w wrb2424yd-30w wrb2424yd-30w wrb2424yd-30w
wrb wrb wrb wrb wrb wrb wrb wrb - - - - - - - - yd yd yd yd yd yd yd yd -30w -30w -30w -30w -30w -30w -30w -30w series series (2 (2 . . 16) 16) 3 http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 3 of 3 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] outline outline outline outline outline outline outline outline dimensions dimensions dimensions dimensions dimensions dimensions dimensions dimensions footprint footprint footprint footprint footprint footprint footprint footprint details details details details details details details details mechanical mechanical mechanical mechanical mechanical mechanical mechanical mechanical dimensions dimensions dimensions dimensions dimensions dimensions dimensions dimensions recommended recommended recommended recommended recommended recommended recommended recommended footprint footprint footprint footprint footprint footprint footprint footprint recommended footprint top view grid:2.54mm(0.1inch) diameter:1. 5 0mm(0.0 5 9inch) pin single 1 vin 2 gnd 3 ctrl 4 trim 5 0v 6 +vo n ote: the ctrl control pin voltage is referenced to gnd footprint footprint footprint footprint footprint footprint footprint footprint details details details details details details details details 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 datasheet, all the test methods of indications are based on corporate standards. 5. capacitor max load tested at nominal input voltage and constant resistive load . tube tube tube tube tube tube tube tube outline outline outline outline outline outline outline outline dimensions dimensions dimensions dimensions dimensions dimensions dimensions dimensions note: unit :mm[inch] general tolerances: 0. 2 50mm[ 0.0 1 0inch] when when when when the the the the environment environment environment environment temperature temperature temperature temperature is is is is higher higher higher higher than than than than 71 71 71 71 , , , , the the the the product product product product output output output output power power power power should should should should be be be be less less less less then then then then 60% 60% 60% 60% of of of of the the the the rated rated rated rated power. power. power. power. no no no no parallel parallel parallel parallel connection connection connection connection or or or or plug plug plug plug and and and and play. play. play. play. use use use use dual dual dual dual output output output output simultaneously,forbid simultaneously,forbid simultaneously,forbid simultaneously,forbid pening pening pening pening output output output output pin pin pin pin (0v) (0v) (0v) (0v) to to to to use use use use as as as as single single single single output. output. output. output.
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