bxa40 series single output [ 2 year warranty ] ? pin-compatible with nfc40 series ? meets telecom power supply interface standard ets300-132-2 ? en60950, csa c22.2 no. 950 and ul1950 safety approvals ? en61000-4-2, -3, -4, -5, -6 immunity compliant ? fixed frequency operation at 350khz typ. ? mtbf in excess of 500,000 hours ? basic insulation system with 1500v isolation ? remote sense on low voltage logic outputs ? output voltage trim the bxa40 series providing up to 40 watts, comprising 9 different models, 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 two wide input voltage ranges, 18-36vdc and 36-75vdc, and is available with single outputs from 2.9v to 15v. the bxa40 series is designed to meet etsi telecoms interface standards ets300-132-2. together with internal filtering, safety approval to iec950 and basic insulation, the 48vdc models are ideal for telecommunications applications. the 24v models are particularly suited to industrial and test equipment applications, featuring en61000-4-2, -3, -4, -5 and -6 immunity compliance. other features include low output ripple, overvoltage protection, indefinite short circuit protection, remote enable and remote sense. specification all specifications are typical at nominal input, full load at 25 c unless otherwise stated page 138 emc characteristics conducted emissions en55022, fcc part 15, level b (see notes 4, 13) 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 see table isolation voltage input/output 1500vdc input/case 1500vdc switching frequency fixed 350khz typ. approvals and en60950, ul1950 standards (pending) csa c22.2 no. 950 case material aluminum substrate with plastic case material flammability ul94v-0 weight 85g (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 -40c to +105c temperature non-operating -55c to +105c thermal impedance no air flow, no heatsink 8.5c/w (see note 6) no air flow, with heatsink 7.2c/w data sheet ? artesyn technologies ? 2000 the information and specifications contained in this data sheet are believed to be correct at time of publication. however, artesyn 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. output specifications voltage adjustability singles 10% line regulation low line to high line 0.3% load regulation full load to no load 1.0% ripple and noise 2.9v and 3.3v 30mv pk-pk (20mhz bandwidth) 5.0v 50mv pk-pk all other models 100mv pk-pk all models 20mv rms temperature coefficient 0.02%/c overvoltage protection (see note 9) 135% vout short circuit protection (see note 10) continuous transient response 25% to 100% load 4.0% (see note 11) voltage accuracy 1.0% 5v, 2.0% 3 12v remote sense compensated line drops (see note 8) up to 0.5v on 5v models compensated line drop up to 300mv on 2.9v & 3.3v models input specifications input voltage range 24vin nominal 18 to 36vdc 48vin nominal 36 to 75vdc reverse voltage (see note 5) protection max. input rise and 48v 5v/ms fall time ets300-132 start-up time 30ms typ. remote on/off logic compatibility cmos/ttl on open-circuit off <1vdc
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 notes 1 nominal line, at no load. 2 low line to high line at full load. 3 full load to no-load at nominal line. 4 for conducted noise operation of the bxa40 to vde0871, vde0878 and en55022 level b, see bxa40 design note 101. 5 reverse voltage protection can be implemented by putting a slow blow fuse on the positive input rail. rate the fuse at 200vdc,1.5a for 48vdc inputs and 100v, 4.5a for 24vdc input units. 6 the maximum operating ambient temperature, without derating depends on internal power dissipation and hence efficiency and cooling method. download bxa40 design note 101 which provides detailed thermal calculations and design-in hints from the artesyn website. 7 do not exceed a dv/dt rate of 100v per second at the trim pin input if output current is less than 0.4% lo max. 8 remote sense is offered as standard on the 2.9v and 3.3v products. the bxa40-24s05 and bxa40-48s05 come with remote sense as an option. remote sense design is designated by the suffix '-s' e.g. bxa40-48s05- sm (for units with metric inserts), bxa40-48s05-s (for units with imperial inserts). for models without remote sense option, pin 5 and pin 6 are absent. 9 overvoltage protection is 118% on 3.3v output models. 10 for 2.9v output, no short circuit protection above 90 c baseplate temp. 11 transient response, 25% to 100% load, 10% for 2.9v and 3.3v models. 12 units with the suffix -m at the end of the model number are offered as standard with metric threaded inserts (m3). to order units 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. 13 an external filter capacitor is necessary for safe operation of the 24v input models. it is also suggested that an external filter capacitor be used on the 48v input models. a 4f (or greater) film capacitor such as: itw paktron capstick series, part number 405k100cs4 4f/100v is recommended, if filtering is not used. see bxa40 design note 101. 14 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-i . see design note 101 for ambient temperature derating calculations. external output trimming output can be externally trimmed by 10% using either method shown below. 10k w trimpot trim down trim up 7 9 8 7 9 8 rt1 or rt2 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) 1.02 (0.043) diameter typ. tolerance : 0.004 (0.1) (unless otherwise specified) 2.20 0.02 ( 5 5 . 9 0 0.50 ) 40 watt wide input dc/dc converters dc/dc converters | 40w dc/dc page 139 http://www.artesyn.com input output output input typical regulation model voltage voltage current (max.) current (1) efficiency line (2) load (3) number (12) 18-36vdc 3.3v 7a 70ma 75% 0.3% 1.0% bxa40-24s3v3-sm (8) 18-36vdc 5.0v 8a 40ma 81% 0.3% 1.0% BXA40-24S05-M (8) 18-36vdc 12.0v 3.33a 60ma 85% 0.3% 1.0% bxa40-24s12-m 18-36vdc 15.0v 2.67a 50ma 85% 0.3% 1.0% bxa40-24s15-m 36-75vdc 2.9v 6.9a 40ma 77% 0.3% 1.0% bxa40-48s2v9-sm (8) 36-75vdc 3.3v 7.0a 40ma 75% 0.3% 1.0% bxa40-48s3v3-sm (8) 36-75vdc 5v 8.0a 30ma 82% 0.3% 1.0% bxa40-48s05-m (8) 36-75vdc 12v 3.3a 30ma 87% 0.3% 1.0% bxa40-48s12-m 36-75vdc 15v 2.67 a 30ma 87% 0.3% 1.0% bxa40-48s15-m pin connections pin number single output 1 + input 2 C input 3 control 4 no connection 5 - sense (8) 6 + sense (8) 7 + output 8 common 9 trim 5
|
