dc/dc converters 240 to 300w intermediate bus converters 1 2 year warranty new product all specifications are typical at nominal input, full load at 25c ambient unless otherwise stated specifications file name: quarter_brick_narrowibc.pdf rev: 17 dec 2003 ? 48v input with isolated 12v output ? efficiencies up to 96% ? open loop regulation ? fully rated 240w @ 70oc, 200 lfm ? over-current protection ? operates with no load ? auto restart after fault condition ? remote on/off ? parallelable ? over-temperature protection this series is a new, high efficiency, quarter-brick, isolated, intermediate bus converter series that provides up to 300 watts of output power. the series is designed to convert 48 volts 10% to a loosely regulated 12 volts at full rated load up to 25a and efficiencies up to 96% . the 12 volt power is a great power source for a variety of non-isolated, point-of-load converters or embedded solutions. this converter is available in four package types, standard quarter-brick through-hole, through-hole vertical, standard quarter-brick surface-mount, and quarter-brick surface-mount solder ball. in addition, this series features remote on/off, no-load operation, input under-voltage protection as well as output over-voltage and over-current protection. international safety standard approvals ul/cul can/csa 22.2 no. 60950 ul 60950 file no. e139421 tv tv product service (en60950) certificate no. b03 04 19870213 quarter-brick series narrow input ibc tv output specifications output voltage 12v current share accuracy full load 10% line regulation low line to high line 10% max. load regulation full load to min. load 6% max. minimum load 0a overshoot 3.0% max. undershoot 200mv max. ripple and noise 5 to 20mhz 150mv pk-pk (see note 1) t ransient response deviation <100mv (see note 2) <100s recovery to within total error band over-voltage setpoint 13.8v input specifications input voltage range nominal 48vdc 10%vdc input current no load 100ma typ. remote off 2ma typ. input reflected ripple (see note 3) 34ma rms 100ma pk-pk remote on/off on >1.7vdc off <0.8vdc under-voltage lockout power up 41.0v power down 38.6v start-up time power up <50ms (see note 4) power down <20ms emc characteristics conducted emissions en55022 (see note 5) level a en55022 (see note 5) level b immunity: esd air en61000-4-2 4kv esd contact en61000-4-2 4kv radiated field enclosure en61000-4-3 3v/m conducted (dc power) en61000-4-6 3v conducted (signal) en61000-4-6 3v general specifications efficiency half load up to 96% typ. insulation input/output 2000vdc switching frequency fixed 300khz typ. approvals and en60950 (tv product service) standards (see note 6) ul/cul60950 material flammability ul94v-0 w eight 56.66g (2oz) mtbf mil-hdbk-217f 1,000,000 hours representative model: 25a @ 48vin, 40c ambient 100% load ground benign te lcordia sr-332 2,828,160 hours environmental specifications thermal performance operating ambient, 0c to +80c (300lfm airflow) temperature non-operating -55c to +125c
for the most current data and application support visit www.artesyn.com/powergroup/products.htm dc/dc converters 240 to 300w intermediate bus converters 2 new product file name: quarter_brick_narrowibc.pdf rev: 17 dec 2003 tqn25a48s12-rsb part number system with options nominal input voltage 48 = 48 volts number of outputs s = single output nominal output voltage 12 = 12 volts mounting options no suffix = through hole horizontal v = through hole vertical (8) s = surface mount standard (8) sb = surface mount solder ball (8) rated input output input output over efficiency model output voltage voltage current current current half/full load number power (max) (max.) setpoint 240w 43.2v to 52.8v 12v 6a 20a 25a 96%/95% (typ.) tqn20a48s12 300w 43.2v to 52.8v 12v 7a 25a 29a 96%/95% (typ.) tqn25a48s12 t ype of input voltage range n= narrow (10%) output current 20a = 20 amps 25a = 25 amps package q - standard quarter-brick product family t = intermediate bus converter notes 1 measured as per recommended set-up. see application note 140 for details. 2 di/dt = 10a/s, vin = 48vdc, tc = 25oc, load change = 50% lo max. to 75% lo max. and 75% lo max. to 50% lo max. 3 measured with external filter. see application note 140 for details. 4 start-up into resistive load. 5 the quarter-brick narrow input series of converters meet levels a and b conducted emissions with external components. see application note 140 for details. 6 this product is only for inclusion by professional installers within other equipment and must not be operated as a stand alone product. 7 use of additional high quality ceramic output capacitors is recommended in the end system. 8 consult factory for availability. protection short-circuit protection continuous foldback over-temperature auto restart recommended system capacitance input capacitance 390f/20m? esr max. output capacitance (see note 7) 270f/10m? esr max. quarter-brick series narrow input ibc remote on/off logic no suffix = positive suffix r = negative
for the most current data and application support visit www.artesyn.com/powergroup/products.htm dc/dc converters 240 to 300w intermediate bus converters 3 new product file name: quarter_brick_narrowibc.pdf rev: 17 dec 2003 all dimensions in inches (mm) all tolerance 0.010in ( 0.25mm) unless otherwise stated 1.450 (36.80) 2.280 (57.90) pin 4 pin 3 pin 1 pin 5 2.000 (50.80) 0.600 (15.24) 0.140 (3.60) 0.300 (7.62) 0.600 (15.24) 0.420 (10.70) 0.430 (10.92) 0.200 (5.10) 0.180 (4.57) 0.110 (2.79) pcb ref 0.030 (0.76) max. 0.062 0.002 (1.57 0.05) 2 x 0.040 0.002 (1.02 0.05) 3 x figure 1: horizontal mechanical drawing and pinout table quarter-brick series narrow input ibc data sheet ? artesyn technologies ? 2003 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 sheet www.artesyn.com pin connections pin number function 1+vin 2 remote on/off 3-vin 4-v out 5+v out
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