dc/dc converters 40w wide input dc/dc converters 1 2 year warranty bxa40 series triple output meets telecom power supply interface standard ets300-132-2 en60950, csa950 and ul1950 safety approvals en61000-4-2, -3, -4, -5, -6 immunity compliant fixed frequency operation at 400khz mtbf in excess of 500,000 hours basic insulation system with 1500v isolation pin-compatible with nfc40 series the BXA40-48T05-12-M provides 40 watts of output power, has been conceived as an applications-specific range of dc/dc converters, specifically addressing telecommunications, industrial electronics, test equipment, mobile telecommunications and distributed power applications. the series offers a wide input voltage range, of 36- 75vdc, and is available with a 5/?2v triple output. the bxa40 series is designed to meet etsi telecoms interface standard ets300-132-2. with safety approval to iec950 and basic insulation, the 48vdc model is ideal for telecommunications applications. other features include low output ripple, overvoltage protection, short circuit protection and remote enable. all specifications are typical at nominal input, full load at 25? unless otherwise stated emc characteristics conducted emissions en55022, fcc part 15, level b (see notes 6, 9) radiated emissions en55022, fcc part 15 level a esd air en61000-4-2, level 3 perf. criteria 1 esd contact en61000-4-2, level 4 perf. criteria 1 surge en61000-4-5, level 3 perf. criteria 1 fast transients en61000-4-4, level 3 perf. criteria 1 radiated immunity en61000-4-3, level 3 perf. criteria 1 conducted immunity en61000-4-6, level 3 perf. criteria 1 general specifications efficiency 83% isolation voltage input/output 1500vdc basic insulation, input/case 1500vdc switching frequency fixed 400khz (typical) approvals and en60950, ul1950 standards (pending) csa c22.2 no. 950 case material aluminum substrate with plastic case material flammability ul94v-0 weight 85g typ. (3.0oz) mtbf mil-hdbk-217f 500,000 hours size 2.2 x 2.2 x 0.5 inches 55.9 x 55.9 x 12.7 mm environmental specifications thermal performance baseplate operating -40? to +105? temperature non-operating -55? to +105? thermal impedance no air flow, no heatsink 8.5?/w (see note 8) no air flow, with heatsink 7.2?/w specifications file name: bxa40t.pdf rev: 02 oct 2002 output specifications line regulation main output ?.5% (see note 2) auxiliary output ?.0% load regulation main output ?.0% (see note 3) auxiliary output ?.0% typ., ?.0% max. load cross regulation main output ?.0% (see note 4) aux. output ?.0% typ., ?.0% max. ripple and noise main output 50mv pk-pk, (20mhz bandwidth) 20mv rms auxiliary output 100mv pk-pk, 20mv rms temperature coefficient ?.02%/? overvoltage protection main output 6.8v (nom.) transorbs fitted auxiliary outputs 16/20v (nom.) short circuit protection main output 11a (see note 5) auxiliary output 5a transient response 25% to 100% load 4.0% voltage accuracy main output ?.0% auxiliary output ?.0% minimum load main output 0.6a auxiliary outputs 0.03a/0.04a input specifications input voltage range 48vin nominal 36 to 75vdc reverse voltage external fuse (see note 7) protection max. input rise and 5v/ms fall time ets300-132 start-up time 30ms typ. remote on/off logic compatibility cmos/ttl on open-circuit off <1vdc
data sheet ?artesyn technologies 2002 the information and specifications contained in this data sheet are believed to be correct at time of publication. however, art esyn technologies accepts no responsibility for consequences arising from printing errors or inaccuracies. specifications are subject to change without notice. no rights under any patent accompany the sale of any such product(s) or information contained herein. for the most current data and application support visit www.artesyn.com/powergroup/products.htm notes 1 nominal line, at no load. 2 nominal line to high line, nominal line to low line. 3 load regulation: main output (v1): 25 to 100% with 25% to 100% balanced on auxiliaries. auxiliary outputs (v2 and v3): 25% to 100% balanced on all outputs. 4 cross regulation: main output 100% load, auxiliary 100%, other auxiliary 25% to 100%. auxiliary outputs (v2 and v3): main output 100% load, auxiliary 100%, other auxiliary 25% to 100% or main output 25%, auxiliary 25%, other auxiliary 25% to 100%. 5 short circuit protection, 1 minute on auxiliary outputs. 6 for emi compliance to en55022 level b please consult factory for details. for emi compliance to en55022 level a, refer to bxa40 design note 101. 7 reverse voltage protection, refer to bxa40 design note 101. 8 the maximum operating ambient temperature, without derating depends on internal power dissipation and module efficiency and cooling method. download bxa40 design note 101 which provides detailed thermal calculations and design-in hints from the artesyn website. 9 it is suggested that an external filter capacitor be used. a 4? (or greater) film capacitor such as: itw paktron capstick series, part number 405k100cs4 4?/100v is recommended, if filtering is not used. see bxa40 design note 101. 10 the unit with the suffix ?m?at the end of the model number is offered as standard with metric threaded inserts (m3). to order a unit with imperial threaded inserts (4-40 unc) please remove the suffix ?m?from the model number. these inserts are used for bolting the unit to a pcb and/or fixing heatsinks. 11 a top mounted heatsink kit is available for the bxa40. the heatsink may be oriented parallel to or perpendicular to the direction of the pins, thus providing optimum flexibility for cooling requirements. the order number for the top mounted heatsink kit with metric screws is nfc40-htsk-t ? the order number for the top mounted heatsink kit with imperial screws is nfc40-htsk-t-i ? bxa40 series triple output dc/dc converters 40w wide input dc/dc converters 2 please consult our website for the following items: ? design note www.artesyn.com file name: bxa40t.pdf rev: 02 oct 2002 input output output input typical model number (10) voltage voltage current (max.) current (1) efficiency 36-75vdc 5v/?2v 6a/?.4a 30ma 83% BXA40-48T05-12-M pin connections pin number triple output 1 + input 2 input 3 control 4 + output (v2) 5 common 6 - output (v3) 7 + output (v1) 8 - output (v1) 9 no connection bottom view all dimensions in inches (mm) 0.3 (7.62) 0.019 (0.50) 0.50 (12.70) 0.15 (3.90) 321 98 76 5 4 2.20 0.02 ( 5 5 . 9 0 0.50 ) 1.90 ( 4 8 . 2 6 ) 1.80 ( 4 5 . 7 2 ) 0.15 ( 3 . 8 2 ) 0.05 ( 1 . 2 7 ) 0.2 (5.08) 0.1 (2.54) 0.6 (15.24) 0.8 (20.32) 0.5 (12.70) 0.2 (5.08) 0.60 (15.24) 1.25 (31.76) 1.90 (48.26) 0.15 (3.82) 0.256 (6.50) diameter stand-off (4 places) metric (suffix '-m'): m3 tap thru. 4 places or imperial (no '-m' suffix) 4- 40 unc (optional) 0.043 0.003(1.02 0.05) diameter typ. tolerance : 0.004 (0.1) (unless otherwise specified) 2.20 0.02 ( 5 5 . 9 0 0.50 ) international safety standard approvals vde0805/en60950/iec950 file no. 14501-3336-7009 licence no. 6296 ul1950 file no. e174104 csa c22.2 no. 950 file no. lr41062c
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