1 technical specifications ews series - 5 watt rev. 12/01 ews dc/dc converters offer excellent regulation and isolation in an industry-standard package. the ews series is ideal for industrial, datacom, or telecom applications. the ews series features short circuit pro- tection, six-sided shielding, and 500 vdc isolation. please see the ewd series for dual-output applications. description features ? industry standard package industry standard pinout 85c case operation short circuit protection 5v and 12v inputs input pi filter and 6-sided shielding regulated outputs 500v isolation voltage range 5 vdc nominal 4.5 - 9 vdc 12 vdc nominal 9 - 18 vdc reflected ripple 20% i in max. reverse input current 100% i in max. input setpoint accuracy 5% line regulation v in min. - v in max., i out rated 1.5% v out load regulation i out min. - i out max., v in nom. 2.5% v out minimum output current 10% dynamic regulation, loadstep 25% i out pk deviation 1% v out settling time 500 s temperature coefficient 0.02%/c ripple and noise, 20 mhz bw 150 mv short circuit protection 1 continuous current limit 130% output notes 1 converter will auto-restart once fault has been removed. specifications typically at 25c, normal line, and full load, unless otherwise stated. soldering conditions: i/o pins, 260 c, 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. 45 50 55 60 65 70 75 80 85 90 10 20 30 40 50 60 70 80 90 10 load % efficiency % eff. ews1212 eff. ews1215 efficiency vs. load (12v input) switching frequency 200 khz isolation input - output 500 vdc isolation resistance - input to output 10 9 ohms standard case operating range -25 to +85c industrial range (add -i to p/n) -40 to +85c storage range -40 to +125c humidity max., non-condensing 95% vibration, 3 axes, 5 min each 5 g, 10 - 55 hz safety ul, cul, tuv weight (approx.) 1.4 oz. general
2 mechanical drawing ews series - 5 watt 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** ews505 5 4.5 - 9 1.80 5 1.0 150 70% ews512 5 4.5 - 9 2.10 12 0.5 150 73% ews1205 12 9 - 18 0.85 5 1.0 150 73% ews1215 12 9 - 18 0.91 15 0.4 150 82% notes: * maximum input current at minimum input voltage, maximum rated output power. ** at nominal v in , rated output. models - (see the last page of section for options.)
thermal impedance natural convection 15.4 c/w 100 lfm 12.2 c/w 200 lfm 9.3 c/w 300 lfm 7.4 c/w 400 lfm 6.4 c/w note: thermal impedance data is dependent on many environmental factors. the exact thermal performance should be validated for specific application. pin function 1 +v in 2 -v in 3 +v out 4 - v out tolerances inches: .xx 0.040 .xxx 0.010 pin: 0.002 0.05 case: +0.04, -0.00 +1.0, -0.0 (dimensions as listed unless otherwise specified.) (millimeters) .x 1.0 .xx 0.25
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 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 (all units except dip, hls, hld, qls, includes thermal pad sip, sm, tld, and tkd packages) 0.24" (6.1mm) vertical heatsink 1v all units (all units except dip, hls, hld, qls, includes thermal pad sip, sm, tld, and tkd packages) 0.45" (11.4mm) horizontal heatsink 2h all units (all units except dip, hls, hld, qls, includes thermal pad sip, sm, tld, and tkd packages) 0.45" (11.4mm) vertical heatsink 2v all units (all units except dip, hls, hld, qls, includes thermal pad sip, sm, tld, and tkd packages) 0.95" (24.1mm) horizontal heatsink 3h all units (all units except dip, hls, hld, qls, includes thermal pad sip, sm, tld, and tkd packages) 0.95" (24.1mm) vertical heatsink 3v all units (all units except dip, hls, hld, qls, includes thermal pad sip, sm, tld, and tkd packages) 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 po wer-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
|
