1 technical specifications description features obd dual output dc/dc converters provide up to 25 watts of output power in an industry standard package and footprint. these units feature excellent efficiency, six-sided shielding, and fixed switching frequency. with 100c case operation, the obs series is well suited to telecom, networking, and industrial applications. the obd series is 100% surface-mount construction and fully compatible with production board washing processes. industry standard package 48v input fixed-frequency design 100c case operation trim and enable pins 6-sided shielding 1500v isolation rev. mar 03, 2003 input voltage range 48 vdc nominal 34 - 75 vdc reflected ripple 25 ma input reverse voltage protection shunt diode output setpoint accuracy 1% line regulation v in min. - v in max., i out rated 0.2% v out load regulation i out min. - i out max., v in nom. 0.5% v out minimum output current 10 % i out rated dynamic regulation, loadstep 25% i out pk deviation 4% v out settling time 500 ms voltage trim range 10% short circuit / overcurrent protection hiccup current limit threshold range, % of i out rated 110 - 140% ovp trip range 115 - 140% v out nom. ovp and uvp type second control loop general turn-on time: 24 & 48v input 10 ms remote shutdown positive remote shutdown reference v in negative switching frequency 400 khz isolation input - output 1500 vdc input - case (12 v in and 24 v in units) 1050 vdc output - case (48 v in units) 500 vdc temperature coefficient 0.03%/c case temperature operating range (12v input max. temp +85c) -40 to +100c storage range -40 to +125c vibration, 3 axes, 5 min. each 5 g, 10 - 55 hz mtbf ? (bellcore tr-nwt-000332) 1.9 x 10 6 hrs safety ul, cul, tuv weight (approx.) 1.4 oz 65 70 75 80 85 90 10 20 30 40 50 60 70 80 90 100 load % efficiency % eff. obd25yjj eff. obd25yhh efficiency vs. load (24v input) 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 load % efficiency % eff. obd025zjj eff. obd025zgg eff. obd025zhh efficiency vs. load (48v input ) notes ? mtbf predictions may vary slightly from model to model. ?? industrial temp range available. specifications typically at 25c, normal line, and full load, unless otherwise stated. soldering conditions: i/o pins, 260c, ten seconds; fully compatible with commercial wave-soldering equipment. units are water-washable and fully compatible with commercial spray or immersion post wave-solder washing equipment. obd series - dual output, 25 watt
2 model input voltage input voltage maximum input output rated output ripple & noise typical (volts) range (volts) current (amps)* voltage (volts) current (amps) pk-pk (mv) efficiency** obd025yhh 24 18 - 36 1.7 12 1.0 120 86% obd025yjj 24 18 - 36 1.7 15 0.85 150 88% obd025zgg 48 34 - 75 0.93 5 2.5 75 80% obd025zhh 48 34 - 75 0.91 12 1.0 120 86% obd025zjj 48 34 - 75 0.91 15 0.85 150 88% notes: * maximum input current at minimum input voltage, maximum rated output power. ** at nominal v in , rated output. mechanical drawing models - (see the last page of section for options.)
thermal impedance natural convection 10.3 c/w 100 lfm 7.7 c/w 200 lfm 6.3 c/w 300 lfm 5.1 c/w 400 lfm 4.1 c/w note: thermal impedance data is dependent on many environmental factors. the exact thermal performance should be validated for specific application. 1+v in 2-v in 3 no conn. 4 enable 5+v out 6 common 7-v out 8 trim pin function tolerances inches: (millimeters) .xx 0.020 .x 0.5 .xxx 0.010 .xx 0.25 pin: 0.002 0.05 case: + 0.04, - 0.00 + 1.0, - 0.0 (tolerances as listed unless otherwise specified.) obd series - dual output, 25 watt rev. mar 03, 2003
3 option suffix applicable series remarks negative logic n has, hbd, hbs, hes, hls, hld, les, ttl "low" turns module on qbs, qes, qls, tes, tqd ttl "high" turns module off lucent-compatible trim t has, hbd, hbs, hes, hls, qbs, qes, qls trim 1 ias, les enable 2 iad, ias, les, sms trim and enable 3 ias, les pin length and heatsink options standard pin length is 0.180" (4.6mm) 0.110" (2.8mm) pin length 8 all leaded models 0.150" (3.8mm) pin length 9 all leaded models 0.24" (6.1mm) horizontal heatsink 1h all 1/4-bricks, 1/2-bricks, 3/4-bricks, full-bricks includes thermal pad (except hls, hld, qls, tld, and tkd packages) 0.24" (6.1mm) vertical heatsink 1v all 1/4-bricks, 1/2-bricks, 3/4-bricks, full-bricks includes thermal pad (except hls, hld, qls, tld, and tkd packages) 0.45" (11.4mm) horizontal heatsink 2h all 1/4-bricks, 1/2-bricks, 3/4-bricks, full-bricks includes thermal pad (except hls, hld, qls, tld, and tkd packages) 0.45" (11.4mm) vertical heatsink 2v all 1/4-bricks, 1/2-bricks, 3/4-bricks, full-bricks includes thermal pad (except hls, hld, qls, tld, and tkd packages) 0.95" (24.1mm) horizontal heatsink 3h all 1/4-bricks, 1/2-bricks, 3/4-bricks, full-bricks includes thermal pad (except hls, hld, qls, tld, and tkd packages) 0.95" (24.1mm) vertical heatsink 3v all 1/4-bricks, 1/2-bricks, 3/4-bricks, full-bricks includes thermal pad (except hls, hld, qls, tld, and tkd packages) this page is offered as a reference. consult factory for actual availability of options. when ordering equipment options, use the following suffix information. select preferred option(s) and add the suffix to the model number. ordering option examples are located below the options table. example options: hbs050zg-ant3v = hbs050zg-a with negative logic, lucent-compatible trim, and 0.95? vertical heatsink. les015yj-3n = les015yj with optional trim and enable, negative logic. qbs066zg-at8 = qbs066zg-a with lucent-compatible trim and 0.110? pin length. nuclear and medical applications - power-one products are not authorized for use as critical components in life support systems , equipment used in hazardous environments, or nuclear control systems without the express written consent of the respective divi sional president of power-one, inc. technical revisions - the appearance of products, including safety agency certifications pictured on labels, may change dependi ng on the date manufactured. specifications are subject to change without notice. options rev. mar 03, 2003
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