technical specifications general description features 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, 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. ewd dual-output dc/dc converters offer excellent regulation and isolation in an industry-standard package. available in several input versions, the ewd is perfect for industrial, datacom, or telecom applications. the ewd features short-circuit protection, six-sided shielding, and 500 vdc isolation. please see the ews series for single- output applications. ? industry-standard package ? industry-standard pinout ? 85c case operation ? short-circuit protection ? 5v and 12v inputs ? input pi filter ? 6-sided shielding ? regulated outputs ? 500v isolation 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 setpoint accuracy 1% line regulation v in min. - v in max., i out rated 1.0% v out load regulation i out min. - i out max., v in nom. 1.0% v out minimum output current 10 % i out rated dynamic regulation, loadstep 25% i out pk deviation 1% v out settling time 500 m s temperature coefficient 0.02%/c ripple and noise, 20 mhz bw 1% v out nom. short circuit protection 1 hiccup current limit 130% output input 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. 50 55 60 65 70 75 80 85 90 10 20 30 40 50 60 70 80 90 100 load % efficiency % eff. (505) eff. (512) eff. (515) efficiency vs. load (5v input) 50 55 60 65 70 75 80 85 90 10 20 30 40 50 60 70 80 90 100 load % efficiency % eff. ewd1205 eff. ewd1212 efficiency vs. load (12v input) page 1 of 3 ewd dc/dc series data sheet rev. jul 30, 2003
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** ewd505 5 4.5 - 9 1.64 5 0.50 50 72% ewd512 5 4.5 - 9 1.85 12 0.25 120 81% ewd515 5 4.5 - 9 1.85 15 0.20 150 81% ewd1205 12 9 - 18 0.69 5 0.50 50 80% ewd1212 12 9 - 18 0.75 12 0.25 120 82% notes: * maximum input current at minimum input voltage, maximum rated output power. ** at nominal v in , rated output. 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. mechanical drawing pin function 1+v in 2-v in 3+ v out 4 common 5- v out tolerances inches: (millimeters) .xx 0.040 .x 1.0 .xxx .010 .xx 0.25 pin: 0.002 0.05 case: + 0.04, - 0.00 + 1.0, - 0.0 (tolerances as listed unless otherwise specified.) model selection
page 2 of 3 ewd dc/dc series data sheet rev. jul 30, 2003 model numbers highlighted in yellow or shaded are not recommended for new designs.
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 dependin g on the date manufactured. specifications are subject to change without notice. page 3 of 3 options rev. jul 30, 2003
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