wra-yt-2w&wrb-yt-2w wra-yt-2w&wrb-yt-2w wra-yt-2w&wrb-yt-2w wra-yt-2w&wrb-yt-2w wra-yt-2w&wrb-yt-2w wra-yt-2w&wrb-yt-2w wra-yt-2w&wrb-yt-2w wra-yt-2w&wrb-yt-2w series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 1 of 3 selection selection selection selection selection selection selection selection guide guide guide guide guide guide guide guide order code input voltage range output voltage o utput current max. efficiency typ. wrb0503yt-500 4.5 C 9.0 vdc 3.3 vdc 500 ma 70 % wrb0505yt-2w 4.5 C 9.0 vdc 5 vdc 400 ma 73 % wrb0512yt-2w 4.5 C 9.0 vdc 12vdc 165 ma 75 % wrb0515yt-2w 4.5 C 9.0 vdc 15 vdc 135 ma 73 % wra0505yt-2w 4.5 C 9.0 vdc 5 vdc 200 ma 64 % WRA0512YT-2W 4.5 C 9.0 vdc 12 vdc 85 ma 69 % wra0515yt-2w 4.5 C 9.0 vdc 15 vdc 65 ma 71 % wrb1203yt-500 9 C 18 vdc 3.3 vdc 500 ma 73 % wrb1205yt-2w 9 C 18 vdc 5 vdc 400 ma 77 % wrb1212yt-2w 9 C 18 vdc 12vdc 165 ma 80 % wrb1215yt-2w 9 C 18 vdc 15 vdc 135 ma 80 % wra1205yt-2w 9 C 18 vdc 5 vdc 200 ma 73 % wra1212yt-2w 9 C 18 vdc 12 vdc 85 ma 78 % wra1215yt-2w 9 C 18 vdc 15 vdc 65 ma 78 % wrb2403yt-500 18 C 36 vdc 3.3 vdc 500 ma 72 % wrb2405yt-2w 18 C 36 vdc 5 vdc 400 ma 77 % wrb2412yt-2w 18 C 36 vdc 12vdc 165 ma 80 % wrb2415yt-2w 18 C 36 vdc 15 vdc 135 ma 81 % wra2405yt-2w 18 C 36 vdc 5 vdc 200 ma 74 % wra2412yt-2w 18 C 36 vdc 12 vdc 85 ma 78 % wra2415yt-2w 18 C 36 vdc 15 vdc 65 ma 80 % wrb4803yt-500 36 C 72 vdc 3.3 vdc 500 ma 71 % wrb4805yt-2w 36 C 72 vdc 5 vdc 400 ma 73 % wrb4812yt-2w 36 C 72 vdc 12vdc 165 ma 79 % wrb4815yt-2w 36 C 72 vdc 15 vdc 135 ma 79 % wra4805yt-2w 36 C 72 vdc 5 vdc 200 ma 71 % wra4812yt-2w 36 C 72 vdc 12 vdc 85 ma 77 % wra4815yt-2w 36 C 72 vdc 15 vdc 65 ma 77 % model model model model model model model model selection selection selection selection selection selection selection selection wr wr wr wr wr wr wr wr b b b b b b b b 12 12 12 12 12 12 12 12 05 05 05 05 05 05 05 05 y y y y y y y y t t t t t t t t - - - - - - - - 2 2 2 2 2 2 2 2 w w w w w w w w (400) (400) (400) (400) (400) (400) (400) (400) product series input voltage output voltage wide ( 2 :1) input range package style rated power (output current) 2 2 2 2 w, w, w, w, wide wide wide wide input, input, input, input, isolated isolated isolated isolated & & & & regulated regulated regulated regulated dual/single dual/single dual/single dual/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 low profile smd-package wide 2:1 input voltage range i/o-isolation 1500 vdc input filter meets en55022, class a operating temperature range -40 c to +71 c short-circuit protection lead free design, rohs compliant 3 year product warranty rohs compliance description description description description description description description description the wra-yt-2w&wrb-yt-2w series is a family of high performance 2w dc/dc converter modules featuring wide 2:1 input voltage ranges. the 28 models come in a low profile smd package which requires just 3 cm 2 space on the pcb. a high efficiency allows an operating temperature range of C 40 c to 71 c without derating. a built-in emi input filter complies with en 55022, class a. typical applications for these converters are battery operated equipment, instrumentation, communication and industrial electronics, everywhere where isolated, tightly regulated voltages are required. microdc reserves the copyright
wra-yt-2w&wrb-yt-2w wra-yt-2w&wrb-yt-2w wra-yt-2w&wrb-yt-2w wra-yt-2w&wrb-yt-2w wra-yt-2w&wrb-yt-2w wra-yt-2w&wrb-yt-2w wra-yt-2w&wrb-yt-2w wra-yt-2w&wrb-yt-2w series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 2 of 3 input input input input input input input input specifications specifications specifications specifications specifications specifications specifications specifications input current at full load(nominal input) 5 vin models: 600 ma typ. 12 vin models: 220 ma typ. 24 vin models: 110 ma typ. 48 vin models: 55 ma typ. surge voltage (100 msec. max.) 5 vin models: 11 v max. 12 vin models: 25 v max. 24 vin models: 50 v max. 48 vin models: 100 v max. conducted noise (input) en 55022 level a, fcc part 15, level a *supply voltage must be discontinued at the end of short circuit duration. output output output output output output output output specifications specifications specifications specifications specifications specifications specifications specifications voltage set accuracy 2 % regulation C input variation vin min. to vin max. 0.5 % max. C load variation 25 C 100 % 0.75 % max. dual output models: 2.0% (balanced load) ripple and noise (20 mhz bandwidth) 50 mvpk-pk max temperature coefficient 0.02 %/k short circuit protection indefinite, automatic recovery minimum load 25% of rated max current (operation at lower load condition is safe but a higher output ripple will be experienced) capacitive load 3.3 vdc output models: 2 200 f max. 5 vdc output models: 1 000 f max. 12 vdc output models: 170 f max. 15 vdc output models: 110 f max. 5 vdc output models: 470 f max. 12 vdc output models: 100 f max. 15 vdc output models: 47 f max. *supply voltage must be discontinued at the end of short circuit duration. general general general general general general general general specifications specifications specifications specifications specifications specifications specifications specifications temperature ranges C operating C 40 c ... + 71 c (no derating) C storage C 55 c ... + 125 c humidity (non condensing) 95 % rel. h max. reliability, calculated mtbf(mil-hdbk-217 f) > 1.0 mio h @ 25 c isolation voltage input/output 1 500 vdc isolation capacity input/output 250 pf isolation resistance input/output (500 vdc) > 1 000 m ohm switching frequency 300 khz (pfm) *supply voltage must be discontinued at the end of short circuit duration. general general general general general general general general specifications specifications specifications specifications specifications specifications specifications specifications case material non conductive fr4 weight 3.8 g (0.13oz) reflow soldering profile peak temp. 245 c (10 sec max.) 217 c for 90 sec. max. convection reflow solder process is recommended *all speci f cations valid at nominal input voltage, full load and +25 c after warm-up time unless otherwise stated.
wra-yt-2w&wrb-yt-2w wra-yt-2w&wrb-yt-2w wra-yt-2w&wrb-yt-2w wra-yt-2w&wrb-yt-2w wra-yt-2w&wrb-yt-2w wra-yt-2w&wrb-yt-2w wra-yt-2w&wrb-yt-2w wra-yt-2w&wrb-yt-2w series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 3 of 3 outline outline outline outline outline outline outline outline dimensions dimensions dimensions dimensions dimensions dimensions dimensions dimensions mm mm mm mm mm mm mm mm (inches) (inches) (inches) (inches) (inches) (inches) (inches) (inches) microdc professional power module,inc. tel:0086-20-86000646 e-mail:tech@microdc.cn website:http://www.microdc.cn rohs rohs rohs rohs compliant compliant compliant compliant information information information information this series is compatible with rohs soldering systems with a peak wave solder temperature of 300 c for 10 seconds. the pin termination finish on the sip package type is tin plate, hot dipped over matte tin with nickel preplate. the dip types are matte tin over nickel preplate. both types in this series are backward compatible with sn/pb soldering systems. reach reach reach reach compliant compliant compliant compliant information information information information this series has proven that this product does not contain harmful chemicals, it also has harmful chemical substances through the registration, inspection and approval. 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. capacitor max load tested at input voltage range and full load. 4. all specifications measured at ta=25 , humidity<75%, nominal input voltage and rated output load unless otherwise specified. 5. only typical models listed, other models may be different, please contact our technical person for more details. 6. in this data sheet, all the test methods of indications are based on corporate standards. pin-out pin-out pin-out pin-out pin-out pin-out pin-out pin-out pin pin pin pin single single single single dual dual dual dual 1 C vin (gnd) C vin (gnd) 7 no con. no con. 8 no con. common 9 +vout +vout 10 C vout C vout 16 +vin +vin outline outline outline outline outline outline outline outline dimensions dimensions dimensions dimensions dimensions dimensions dimensions dimensions mm mm mm mm mm mm mm mm (inches) (inches) (inches) (inches) (inches) (inches) (inches) (inches)
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