dc/dc converters high current, high efficiency, low profile 1 2 year warranty new product all specifications are typical at nominal input, full load at 25c ambient unless otherwise stated specifications file name: eighth_brick.pdf rev (05): 21 jun 2004 ? ultra-high efficiency topology ? industry standard eighth brick footprint (identical to quarter-brick pinout) ? low profile through-hole version ? low profile with 38% space savings over other quarter-brick brick converters ? wi de ambient temperature range, -40oc to +85oc ? 80% to 110% output trim ? monotonic start-up in normal and prebiased loads ? basic insulation system ? overvoltage and overtemperature protection ? secondary side control, no optocouplers, fast transient response ? 100v, 100ms input voltage transient rated eighth-brick series single output output specifications v oltage adjustability 80% to 110% minimum load 0% overshoot at turn-on and turn-off none undershoot none t ransient response 60mv to 120mv typ. deviation (see note 1) 20s recovery input specifications input voltage range 48v nominal 36 to 75vdc input current no load 50ma remote off 5ma active high remote on/off logic compatibility open collector ref to -input on open circuit or >2.4vdc off <0.4vdc undervoltage lockout power up 35.5v (typ.) power down 33.5v (typ.) start-up time power up 15ms (typ.) (see note 2) remote on/off 15ms (typ.) tv this is a new high efficiency, open-frame, low profile, single board, isolated dc/dc converter series in an industry standard eight-brick footprint that provides up to 100w of output power. the series delivers very high output current at low voltages, and excellent useable power for todays high performance applications. the series features an input voltage range of 36 to 75vdc and is available with output voltages of 1.2v, 1.5v 1.8v, 2.5v, 3.3v and 5.0v. the output voltage is adjustable from 80% to 110% of the nominal value. the series also has a remote on/off capability. over-current, over-voltage and over-temperature protection features are included as standard. full international safety approval including en60950 vde and ul/cul60950, reduces compliance costs and time to market. emc characteristics immunity: esd air enclosure en61000-4-2 8kv/6kv (o/p within spec.) radiated field enclosure en61000-4-3 10v/m (o/p within spec.) conducted en61000-4-6 10v (o/p within spec.) input transients 100v, 100ms general specifications basic insulation input/output 2250vdc switching frequency fixed 480khz approvals and (see note 3) en60950 vde standards ul/cul 60950 material flammability ul94v-0 w eight 21g (0.73oz) mtbf telcordia tech sr-332 4,034,120 hours environmental specifications thermal performance operating ambient. -40c to +85c temperature non-operating -55c to +125c protection short-circuit continuous over-voltage non-latching thermal 125oc hot spot temperature with automatic recovery international safety standard approvals ul/cul can/csa 22.2 no. 60950-00 : ul 60950 file no. e135734 vde certificate no. 40005017 cb report and certificate to iec60950, certificate no. de1-19783
for the most current data and application support visit www.artesyn.com/powergroup/products.htm dc/dc converters high current, high efficiency, low profile 2 new product file name: eighth_brick.pdf rev (05): 21 jun 2004 les50a48-1v2ra part number system with options notes 1 di/dt = 1a/s, vin = 48vdc, tc = 25c, load change = 50% to 75% lo max. and 75% to 50% lo max. deviation varies by model. for further details see long form data sheets. 2 start-up into resistive load. 3 this product is only for inclusion by professional installers within other equipment and must not be operated as a stand alone product. 4 recommended input fusing is up to 10a hrc 200v rated fuse. 5 peak to peak measured with no external pi filter. significant reduction possible with external filter. see application note 138 for further details. 6 please consult factory to check availability. caution: hazardous internal voltages and high temperatures. ensure that unit is not user accessible. l = low profile e = 1/8 brick number of outputs s = single rated output current 10a = 10 amps, 15a = 15 amps etc. nominal rated input voltage 48 = 48 volts (36 to 75v range) body height, package type and pin length a = 0.300 (7.62 mm), through hole, 0.188 (4.78 mm) pins e = 0.340 (8.64 mm), through hole, 0.188 (4.78 mm) pins s= surface mount (6) remote on/off logic blank = positive r = negative output voltage 1v2 = 1.2 volts, 1v5 = 1.5 volts etc. eighth-brick series single output output input input output efficiency regulation model voltage current ripple current (typ.) set point line load ripple & number (max.) (4) current (5) (max.) accuracy noise max (pk - pk) eighth-brick single output value models 1.2v 0.98a 100ma 25a 88.0% 1.5% 0.1% 0.2% 60mv les25a48-1v2 1.5v 1.21a 100ma 25a 89.5% 1.5% 0.1% 0.2% 60mv les25a48-1v5 1.8v 1.43a 100ma 25a 90.5% 1.5% 0.1% 0.2% 60mv les25a48-1v8 2.5v 1.62a 150ma 20a 90.0% 1.5% 0.1% 0.2% 60mv les20a48-2v5 3.3v 2.11a 150ma 20a 91.0% 1.5% 0.1% 0.2% 60mv les20a48-3v3 5.0v 1.59a 100ma 10a 92.0% 1.5% 0.1% 0.2% 60mv les10a48-5v0 eighth-brick single output performance models 1.2v 1.98a 150ma 50a 86.0% 1.5% 0.1% 0.2% 60mv les50a48-1v2 1.5v 1.91a 150ma 40a 88.5% 1.5% 0.1% 0.2% 60mv les40a48-1v5 1.8v 2.30a 150ma 40a 90.0% 1.5% 0.1% 0.2% 60mv les40a48-1v8 2.5v 1.99a 200ma 25a 89.5% 1.5% 0.1% 0.2% 60mv les25a48-2v5 3.3v 2.65a 200ma 25a 90.5% 1.5% 0.1% 0.2% 60mv les25a48-3v3 5.0v 2.30a 150ma 15a 90.5% 1.5% 0.1% 0.2% 60mv les15a48-5v0 eighth-brick single output ultra models 2.5v 3.20a 150ma 40a 91.0% 1.5% 0.1% 0.2% 60mv les40a48-2v5 3.3v 3.20a 150ma 30a 90.5% 1.5% 0.1% 0.2% 60mv les30a48-3v3 5.0v 3.20a 150ma 20a 92.0% 1.5% 0.1% 0.2% 60mv les20a48-5v0
for the most current data and application support visit www.artesyn.com/powergroup/products.htm dc/dc converters high current, high efficiency, low profile 3 new product data sheet ? artesyn technologies ? 2004 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. the information and specifications contained or described herein are subject to change in any manner at any time without notice. no rights under any patent accompany the sale of any such product(s) or information contained herein. please consult our website for the following items: ? application note ? longform data sheets www.artesyn.com file name: eighth_brick.pdf rev (05): 21 jun 2004 2.30 (58.4) 2.000 (50.80) 0.300 (7.62) 0.45 (11.4) ? 0.062 0.002 ( ? 1.57 0.05) (2 pls) 1 4 5 6 7 8 3 2 top view ? 0.040 0.002 ( ? 1.02 0.05) (6 pls) 0.90 (22.9) 0.150 (3.81) 0.300 (7.62) 0.145 0.020 (3.68 0.51) 0.188 (4.78) clearance see option table height see option table dimensions in inches (mm) to lerances (unless otherwise specified) x.xx 0.02 (x.x 0.5) x.xxx 0.010 (x.xx 0.25) 2.30 (58.4) 2.000 (50.80) 0.300 (7.62) ? 0.080 0.008 ( ? 2.03 0.02) (2 pls) ref ipc-2222 level b 1 4 5 6 7 8 3 2 ? 0.058 0.008 ( ? 1.47 0.02) (6 pls) ref ipc-2222 level b 0.300 (7.62) 0.145 0.020 (3.68 0.51) recommended hole pattern 0.150 (3.81) 0.150 (3.81) 0.150 (3.81) 0.90 (22.9) 0.45 (11.4) pin connections pin number function 1vin+ 2 on/off 3v in- 4v out- 5 sense- 6t rim 7 sense+ 8v out+ eighth-brick series single output dimension options option clearance height 0.016 (0.41) +0.022 (0.56) -0.030 (0.76) a 0.030 (0.76) 0.300 (7.62) e 0.070 (1.78) 0.340 (8.64)
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