(888) ipd-converters (888) 473-2668 www.ipdconverters.com 1 . 55 60 65 70 75 80 85 90 95 10 20 30 40 50 60 70 80 90 100 load % efficiency % eff. ows4805 eff. ows4812 55 60 65 70 75 80 85 90 95 10 20 30 40 50 60 70 80 90 100 load % efficiency % eff. ows1205 eff. ows1212 eff. ows1215 ows single output dc/dc converters provide up to 25 watts of output power in an industry standard package and footprint. the ows features excellent efficiency, six-sided shielding, and a fixed switching frequency. with 85c case operation, the ows is especially suited to telecom, networking, and industrial applications. description features ows series - 25 watt industry standard package 12v and 48v input versions 25w output 85c case operation trim and enable pins fixed frequency 500v isolation wide input range notes 1 industrial temperature range of -40 to +85c available; add suffix -i to p/n. ? mtbf predictions may vary slightly from model to model. 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. safety: agency approvals may vary from model to model. please consult factory for specific model information. efficiency vs. load (48v input) efficiency vs. load (12v input) technical specifications input voltage range 12 vdc nominal 10 - 20 vdc 48 vdc nominal 20 - 60 vdc input reverse voltage protection shunt diode input ripple current 20% i in max. reverse input current 100% i in max. setpoint accuracy 1% line regulation v in min. - v in max., i out rated 1% v out load regulation i out min. - i out max., v in nom. 1% v out minimum output current 10 % dynamic regulation, loadstep 25% i out pk deviation 1% v out settling time 500 s voltage trim range 10% short circuit / overcurrent protection continuous current limit threshold range, % of i out rated 110% - 130% output remote shutdown positive remote shutdown reference v in negative switching frequency 300 khz isolation input - output 500 vdc temperature coefficient 0.02%/c case temperature operating range -25 to +85c 1 storage range -40 to +125c humidity max., non-condensing 95% vibration, 3 axes, 5 min. each 5 g, 10 - 55 hz mtbf ? (bellcore tr-nwt-000332) 1.8 x 10 6 hrs safety ul1950, csa 22.2-950, en60950 weight (approx.) 1.9 oz general rev. 05/01
2 mechanical drawing thermal impedance natural convection 9.7 c/w 100 lfm 7.3 c/w 200 lfm 5.9 c/w 300 lfm 4.8 c/w 400 lfm 3.8 c/w tolerances 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 no pin 6+v out 7-v out 8 trim ows series - 25 watt inches: (millimeters) .xx 0.040 .x 1.0 .xxx 0.010 .xx 0.25 pin: 0.002 0.05 case: + 0.04, - 0.00 + 1.0, - 0.00 ( dimensions a s listed unless otherwise specified.) pin function models - (see the last page of section for options.) dia 0.040" (4.6mm) 0.18" min. 2.00" (50.8mm) (1.0mm) (12.7mm) 0.50" 5 2.00" (50.8mm) 6 8 7 2 1 4 3 0.600"(15.2mm) 0.400"(10.2mm) 0 0.200"(5.1mm) 0 -0.50"(-12.7mm) 0.300"(7.6mm) -0.100"(-2.5mm) 0.700"(17.8mm) 1.100"(27.9mm) bottom view -0.10" (-2.5mm) 1.800" (45.7mm) vin (volts) vin range (volts) iin max.* (amps) vout (volts) iout rated (amps) ripple & noise pk-pk (mv) efficiency typ. ** model 12 12 12 48 48 10 - 20 10 - 20 10 - 20 20 - 60 20 - 60 3.50 3.50 3.50 1.80 1.80 5 12 15 5 12 5.00 2.10 1.65 5.0 2.10 50 120 150 50 120 80% 83% 84% 80% 86% ows1205 ows1212 ows1215 ows4805 ows4812 * maximum input current at minimum input voltage, maximum rated output power. ** at nominal vin, rated output.
options when ordering equipment options, use the following suffix information. select the option(s) that you prefer and add them to the model number. example ordering options 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 president of power-one, inc. technical revisions - the appearance of products, including safety agency certifications pictured on labels, may change depending on the date manu- factured. specifications are subject to change without notice. options suffix applicable series remarks negative logic n has, hbd, hbs, hes, hls, 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 terminal strip ts xws, xwd, xwt trim 1 ias, les enable 2 iad, ias, les, sms trim and enable 3 ias, les current share 4 sms headerless y encapsulated ews, iws, ows pin length and heatsink options standard pin length is 0.180" (4.6mm) 0.110" (2.8mm) pin length 8 all units (except sms) 0.150" (3.8mm) pin length 9 all units (except sms) 0.24" (6.1mm) horizontal heatsink 1h all units (except dip, hls, hld, qls, sip, sm tld, and tkd packages) includes thermal pad 0.24" (6.1mm) vertical heatsink 1v all units (except dip, hls, hld, qls, sip, sm tld, and tkd packages) includes thermal pad 0.45" (11.4mm) horizontal heatsink 2h all units (except dip, hls, hld, qls, sip, sm tld, and tkd packages) includes thermal pad 0.45" (11.4mm) vertical heatsink 2v all units (except dip, hls, hld, qls, sip, sm tld, and tkd packages) includes thermal pad 0.95" (24.1mm) horizontal heatsink 3h all units (except dip, hls, hld, qls, sip, sm tld, and tkd packages) includes thermal pad 0.95" (24.1mm) vertical heatsink 3v all units (except dip, hls, hld, qls, sip, sm tld, and tkd packages) includes thermal pad powering communications and technology 3
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