2 2 a-nxt& a-nxt& 2 2 b-nxt b-nxt series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 1 of 4 selection selection guide guide part number input voltage outpu voltage output current efficiency smd (vdc) (vdc) (ma) (%) 2b0503nxt 5 3.3 606 70-75 2b0903nxt 9 3.3 606 70-75 2b1203nxt 12 3.3 606 70-75 2b1503nxt 15 3.3 606 70-75 2b2403nxt 24 3.3 606 70-75 2b0505nxt 5 5 400 80-85 2b0905nxt 9 5 400 80-85 2b1205nxt 12 5 400 80-85 2b1505nxt 15 5 400 80-85 2b2405nxt 24 5 400 80-85 2b0509nxt 5 9 222 80-85 2b0909nxt 9 9 222 80-85 2b1209nxt 12 9 222 80-85 2b1509nxt 15 9 222 80-85 2b2409nxt 24 9 222 80-85 2b0512nxt 5 12 167 80-85 2b0912nxt 9 12 167 80-85 2b1212nxt 12 12 167 80-85 2b1512nxt 15 12 167 80-85 2b2412nxt 24 12 167 80-85 2b0515nxt 5 15 133 80-85 2b0915nxt 9 15 133 80-85 2b1215nxt 12 15 133 80-85 2b1515nxt 15 15 133 80-85 2b2415nxt 24 15 133 80-85 2b0524nxt 5 24 83 80-85 2b0924nxt 9 24 83 80-85 2b1224nxt 12 24 83 80-85 2b1524nxt 15 24 83 80-85 2b2424nxt 24 24 83 80-85 2a0505nxt 5 5 20 0 70-75 2a0905nxt 9 5 20 0 70-75 2A1205NXT 12 5 20 0 70-75 2a1505nxt 15 5 20 0 70-75 2a2405nxt 24 5 20 0 70-75 2a0509nxt 5 9 11 1 75-78 2a0909nxt 9 9 11 1 75-78 2a1209nxt 12 9 11 1 75-78 2a1509nxt 15 9 11 1 75-78 2a2409nxt 24 9 11 1 75-78 2a0512nxt 5 12 8 3 75-83 2a0912nxt 9 12 8 3 75-83 2a1212nxt 12 12 8 3 75-83 2a1512nxt 15 12 8 3 75-83 2a2412nxt 24 12 8 3 75-83 2a0515nxt 5 15 6 6 75-85 2a0915nxt 9 15 6 6 75-85 2a1215nxt 12 15 6 6 75-85 2a1515nxt 15 15 6 6 75-85 2a2415nxt 24 15 6 6 75-85 2a0524nxt 5 24 4 2 78-85 2a0924nxt 9 24 4 2 78-85 2a1224nxt 12 24 4 2 78-85 2a1524nxt 15 24 4 2 78-85 2a2424nxt 24 24 4 2 78-85 model model selection selection 2 2 a a 05 05 05 05 n x x t t product series input voltage output voltage no pin fixed input smd package microdc r eserves the copyright 2 watt fixed input, isolated dual &single smd output dc-dc converter features features 1kvdc isolation internal smd construction ul94v-0 package material toroidal magnetics efficiency to 85% applications applications compared to standard 2 watt packages, space savings of 80% respectively 77% are achieved by these 2 a-nxt& 2 b-nxt smd miniature dc/dc converters. they have been specifically designed for applications where board space is at a premium,since these 2 watt converters have only a slightly larger foot print than conventional 1 watt converters. at efficiencies up to 80%, external cooling is not needed, as the full output power is available over the operating temperature range -40 c to +85 c. all converters have an i/o-isolation of 1kvdc, allowing maki ng them suitable for many applications.
2 2 a-nxt& a-nxt& 2 2 b-nxt b-nxt series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 2 of 4 specifications specifications (core (core operating operating area) area) input voltage range 10 output voltage accuracy 5 line voltage regulation 1.2%/1% of vin max. load voltage regulation 3.3v output types 20% max. (10% to 100% full load) 5v output type 15% max. 9v, 12v, 15v, 24v output types 10% max. output ripple and noise (20mhz limited) 150mvp-p max. operating frequency 20khz min. / 50khz typ. / 85khz max. efficiency at full load 70% min. / 80% typ. no load power consumption b-nxt typ. 124mw min. / 186mw typ. / 250mw max. a-nxt typ. 159mw min. / 192mw typ. / 240mw max. isolation voltage (tested for 1 second) 1000vdc min. rated working voltage (long term isolation) see application notes isolation capacitance 40pf min. / 115pf max. isolation resistance 10 g ? min. short circuit protection 1 second operating temperature range (free air convection) -40 to +85 (see graph) storage temperature range -55 to +125 reflow temperature rohs compliant (for more details see application notes) 245 (30 sec) max. relative humidity msl level 1 95% rh package weight b-nxt types 2.1g a-nxt types 2.5g mtbf (+25 ) (+85 ) } detailed information see application notes chapter "mtbf" using mil-hdbk 217f 886 x 10 3 hours using mil-hdbk 217f 128 x 10 3 hours typical typical characteristics characteristics axx05nxt axx12nxt axx15nxt
2 2 a-nxt& a-nxt& 2 2 b-nxt b-nxt series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 3 of 4 typical typical characteristics characteristics bxx05nxt bxx09nxt bxx12nxt bxx15nxt
2 2 a-nxt& a-nxt& 2 2 b-nxt b-nxt series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 4 of 4 microdc professional power module,inc. tel:0086-20-86000646 e-mail:tech@microdc.cn website:http://www.microdc.cn microdc professional power module,inc.makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. specifications are subject to change without notice. ? 2010 microdc professional power module, inc. guangzhou rohs compliant 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 compliant 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. package package style style and and pinning pinning (mm) (mm) derating-graph(ambient derating-graph(ambient temperature) temperature)
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