dc/dc converters high current, high efficiency, low profile 1 2 year warranty new product all specifications ar e typical at nominal input, full load at 25 c ambient unless otherwise stated specifica tions file name: quarter_brick_dual.pdf rev (01): 29 mar 2006 ? two independent outputs ? high full load efficiency ? wide ambient temperature range of -40 o to +85 ? ? up to 100% load imbalance ? tracking, monotonic start-up ? starts into pre-biased outputs ? basic insulation system ? over-voltage and over-temperature protection ? 100 v, 100 ms input voltage transient response ? secondary side control, no optocouplers, fast transient load response ? available rohs compliant these are new high efficiency, open-frame, isolated 40 a converters in an industry standard dual quar ter-brick footprint. these converters deliver high output current at low voltages, and excel- lent useable power density for todays high end applications. this series features an input volt- age range of 36 vdc to 75 vdc and output voltages of 1.2 v/3.3 v, 1.5 v/3.3 v, 1.8 v/3.3 v 2.5 v/3.3 v, and 5 v/3.3 v. the output voltage on each model is adjustable from 90% to 110% of the nominal value. typical efficiencies are 90%. this series also has a remote on/off capabili- ty. over-current and over-voltage protection features are included as standard. designed to meet inter national safety agency approvals, including en60950-1 and ul/cul60950, this series r educes compliance costs and time to market. quarter-brick series dual output output specifica tions voltage adjustability both outputs ?0% min. minimum load both outputs 0% ripple and noise 20 mhz bandwidth 50 mv pk-pk max. 15 mv rms max. shor t cir cuit pr otection both outputs turn-on characteristics both outputs monotonic input specifications input voltage range 48 v nominal 36-75 vdc input cur rent no load 80 ma max. remote off 6 ma max. active high remote on/off logic compatibility open collector ref to -input on open circuit or >2.4 vdc off <0.4 vdc undervoltage lockout power up 35.5 v (typ.) power down 33.5 v (typ.) start-up time power up 14 ms (typ.) remote on/off 14 ms (typ.) patent no. 6,765,810 other patents pending international safety standard approvals ul/cul can/csa 22.2 no. 60950-00 : ul 60950 file no. e135734/60950 vde certificate no. 10401-3336-0197 emc characteristics immunity: esd air enclosure en61000-4-2 8 kv/6 kv(o/p within spec.) radiated field enclosur e en61000-4-3 10 v/m (o/p within spec.) conducted en61000-4-6 10 v (o/p within spec.) input transients 100 v, 100 ms general specifica tions efficiency see table basic insulation input/output 2250 vdc switching fr equency fixed 480 khz approvals and (see notes 1 and 2) en60950-1 vde standards ul/cul 60950 material flammability ul94v-0 weight 34 g (1.2 oz) mtbf t elcor dia t ech sr-332 2,883,816 hours environmental specifications thermal performance operating ambient., -40 to +85 ? temperature non-operating -55 to +125 ? protection short-circuit continuous over voltage non-latching thermal 125 o hot spot temperature with automatic recovery
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: quarter_brick_dual.pdf rev (01): 29 mar 2006 n n o o t t e e s s 1 user must pr ovide r ecommended fuses in or der to comply with safety approvals. see application note 137. 2 maximum continuous output power. 90 watts for lqd40a48-3v3-1v2j models 96 watts for lqd40a48-3v3-1v5j models 102 watts for lqd40a48-3v3-1v8j models 116 watts for lqd40a48-3v3-2v5j models 67.5 watts for lqd30a48-3v3-1v2j models 72 w atts for lqd30a48-3v3-1v5j models 76.5 w atts for lqd30a48-3v3-1v8j models 87 watts for lqd30a48-3v3-2v5j models 99.5 watts for lqd25a48-5v0-3v3j models quarter-brick series dual output output voltage output ovp efficiency nominal initial set point (3) regulation band current trip point (typ.) model number (4,5) 12 1 2 1 2 12 1 2 quarter-brick dual output performance models 1.2 v 3.3 v 1.18-1.22 v 3.25-3.35 v 1.16-1.24 v 3.2-3.4 v 20 a 20 a 1.5 v 4 v 90.0% lqd40a48-3v3-1v2j 1.5 v 3.3 v 1.48-1.55 v 3.25-3.35 v 1.44-1.55 v 3.2-3.4 v 20 a 20 a 1.8 v 4 v 90.5% lqd40a48-3v3-1v5j 1.8 v 3.3 v 1.77-1.83 v 3.25-3.35 v 1.75-1.85 v 3.2-3.4 v 20 a 20 a 2 v 4 v 90.5% lqd40a48-3v3-1v8j 2.5 v 3.3 v 2.46-2.54 v 3.25-3.35 v 2.42-2.58 v 3.2-3.4 v 20 a 20 a 3 v 4 v 90.5% lqd40a48-3v3-2v5j quarter-brick dual output value models 1.2 v 3.3 v 1.18-1.22 v 3.25-3.35 v 1.16-1.24 v 3.2-3.4 v 15 a 15 a 1.5 v 4 v 90.0% lqd30a48-3v3-1v2j 1.5 v 3.3 v 1.48-1.52 v 3.25-3.35 v 1.44-1.55 v 3.2-3.4 v 15 a 15 a 1.8 v 4 v 90.5% lqd30a48-3v3-1v5j 1.8 v 3.3 v 1.77-1.83 v 3.25-3.35 v 1.75-1.85 v 3.2-3.4 v 15 a 15 a 2 v 4 v 90.5% lqd30a48-3v3-1v8j 2.5 v 3.3 v 2.46-2.54 v 3.25-3.35 v 2.42-2.58 v 3.2-3.4 v 15 a 15 a 3 v 4 v 91.0% lqd30a48-3v3-2v5j 3.3 v 5 v 3.25-3.35 v 4.92-5.08 v 3.20-3.40 v 4.85-5.15 v 15 a 10 a 4 v 6 v 91.0% lqd25a48-5v0-3v3j number of outputs d = dual lqd40a48-3v3-1v8ranj (5) par t number system with options rated output current (sum of all outputs) 40 a = 40 amps remote on/off logic no suffix = positive suffix ? negative output voltage of v1 1v8 = 1.8 volts, 1v2 = 1.2 volts etc. q = 1/4 brick nominal rated input voltage 48 = 48 v olts (36 v to 75 v range) output voltage of v2 3v3 = 3.3 volts l = low profile rohs compliance (4) j = pb-free (rohs 6/6 compliant) pin length options blank = 0.188(4.78 mm) n = 0.145(3.68 mm) k = 0.110(2.79 mm) body height and package t ype a = 0.300(7.62 mm), thr ough-hole, e = 0.340(8.64 mm), through-hole, s = 0.285(7.24 mm), surface--ount 3 i o1 = imax, i o2 = imax. 4 tse rohs 5/6 (non pb-fr ee) compliant versions may be available on special request, please contact your local sales representative for details. 5 the part number cannot exceed 18 characters. if the desired part number with options contains 19 characters then the last dash -n the part number is r emoved i.e. lqd25a48-5v0-3v3raj becomes lqd25a48-5v03v3raj. if the desir ed part number with options contains 20 characters then all dashes -r e r emoved, i.e. lqd25a48-5v0- 3v3ranj becomes lqd25a485v03v3ranj.
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 n ew product datasheet ?ar tesyn t echnologies ? 2005 the information and specifications contained in this datasheet 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. please consult our website for the following items: 4 application note 4 longform data sheet www .ar tesyn.com file name: quarter_brick_dual.pdf rev (01): 29 mar 2006 pin connections pin number function 1 +vin 2 on/off 3 -vin 4 o/p 1 5 o/p rtn 6 trim 7 o/p 2 dimension options option st and off height body height a 0.030 (0.76) min. 0.300 (7.62) max. e 0.070 (1.78) min. 0.340 (8.64) max. quarter-brick series dual output figur e 1 - thr ough-hole mechanical drawing figur e 2 - sur face-mount mechanical drawing dimensions in inches (mm) tolerances (unless otherwise specified) x.xx 0.02 (x.x 0.5) x.xxx 0.010 (x.xx 0.25) lead coplanarity within 0.006 [0.15] max r ecommended pcb layout 0.250 [6.35] 0.125 [3.18] 0.067[1.70] x 0.118[3.00] (7 pls) 0 .250 [6.35] ? 0.054 0.003 [?1.37 0.08] (7 pls) 0.250 [6.35] 0.125 [3.18] 0.250 [6.35] 0.055[1.40] x 0.105[2.67] (7 pls) height 0.350 [8.89] 0 .725 0.020 [18.42 0.51] 0.057 0.020 [1.45 0.51] 0.057 0.020 [ 1.45 0.51] 0.350 [8.89] 0 .725 0.020 [18.42 0.51] 1 .45 [36.8] 0 .350 [ 8.89] 1.45 [36.8] 0.350 [ 8.89] 2.000 7 1 top view 3 0 .145 0.020 [3.68 0.51] 2 4 0 .250 [6.35] 6 5 2.186 [55.52] 2.30 [58.4] 0.250 [ 6.35] top view 3 1 2 5 4 7 6 2.186 [55.52] 2.30 [58.4] [50.80] 0.285 [7.24] max 0.015 [0.38] clearance 0.188 (4.78) dimensions in inches (mm) tolerances (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) 1.45 (36.8) 0.725 0.020 ( 18.42 0.51) top view 0.350 (8.89) 1 2 3 4 5 6 7 0.145 0.020 (3.68 0.51) 0.350 (8.89) ?0.040 0.002 (?1.02 0.05) (7 pls) 0.250 (6.35) 0.250 (6.35) 0.125 (3.18) 0.250 (6.35) height (see option table) clearance (see option table) 2 .30 (58.4) 2 .000 (50.80) 1.45 (36.8) 0.725 0.020 (18.42 0.51) 0.350 (8.89) 1 2 3 4 5 6 7 0.145 0.020 (3.68 0.51) 0.350 (8.89) ?0.054 0.003 (?1.37 0.08) (7 pls) 0 .250 (6.35) 0.125 (3.18) 0.250 (6.35) 0.250 (6.35)
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