applications ? servers, switches and data storage ? networking gear ? wireless communications ? data communications the w5 family of high efficiency dc/dc converters offer power levels of up to 3 watt, which exceeds that of other sub-bricks wi th the same package, while also providing surface mount process- able construction. with a wi de input voltage range and single and mu lti-outputs, these converters provide versatility without sacrificing the board space. all model s feature an input filter, continuous short circuit protection and regul ated outputs. the fully enclos ed, encapsulated construction fa cilitates maximum power deliver ed with the highest efficiency of up to 83%. all converters combine creative design practices with highly derated power devices to achieve very hi gh reliability, high performance and low cost sol ution to systems designers. specifications & features summar y ? regulated outputs ? -25c to +71c ambient operation ? continuous short-circuit protection ? up to 3kv, 10m input-to-output isolation ? pi input filter ? 2:1 input range ? through-hole packages available ( add suffix ?t? to the part number) ? distributed power architecture ? telecommunications ? semiconductor test equipment ? industrial / medical w3 series dc/dc modules a pproval pending (w7 model shown) intronics power inc. 1400 providence highway, building 2, norwood, ma 02062-5015 ? phone 1-781-551-5500 ? fax: 1-781-551-5555 rev. b ? 5-sided metal shield ? 100khz switching frequency ? no airflow or heatsink required ? voltage accuracy 2% ? delivers up to 5w in 1?x1.25?x0.45? package with industry-standard smd pinouts model num v in v out i out i no load i full load eff case w3-12s5 9-18 vdc 5.0 vdc 600.0 ma 7.5 ma 545.0 ma 76% t w3-12s12 9-18 vdc 12.0 vdc 250.0 ma 7.5 ma 585.0 ma 80% t w3-12s15 9-18 vdc 15.0 vdc 200.0 ma 7.5 ma 625.0 ma 80% t w3-12d12 9-18 vdc 12.0 vdc 125.0 ma 12.0 ma 575.0 ma 80% t w3-12d15 9-18 vdc 15.0 vdc 100.0 ma 12.0 ma 590.0 ma 80% t w3-12d5 9-18 vdc 5.0 vdc 300.0 ma 12.0 ma 545.0 ma 76% t w3-12s3.3 9-18 vdc 3.3 vdc 600.0 ma 7.5 ma 393.0 ma 70% t w3-24s5 18-36 vdc 5.0 vdc 600.0 ma 5.0 ma 265.0 ma 78% t w3-24s12 18-36 vdc 12.0 vdc 250.0 ma 5.0 ma 285.0 ma 82% t w3-24s15 18-36 vdc 15.0 vdc 200.0 ma 5.0 ma 305.0 ma 82% t w3-24d12 18-36 vdc 12.0 vdc 125.0 ma 7.5 ma 285.0 ma 81% t w3-24d15 18-36 vdc 15.0 vdc 100.0 ma 7.5 ma 295.0 ma 81% t w3-24d5 18-36 vdc 5.0 vdc 300.0 ma 7.5 ma 265.0 ma 78% t w3-24s3.3 18-36 vdc 3.3 vdc 600.0 ma 5.0 ma 197.0 ma 70% t w3-48s5 36-72 vdc 5.0 vdc 600.0 ma 2.0 ma 133.0 ma 78% t w3-48s12 36-72 vdc 12.0 vdc 250.0 ma 2.0 ma 145.0 ma 81% t w3-48s15 36-72 vdc 15.0 vdc 200.0 ma 2.0 ma 154.0 ma 81% t w3-48d12 36-72 vdc 12.0 vdc 125.0 ma 3.0 ma 142.0 ma 81% t w3-48d15 36-72 vdc 15.0 vdc 100.0 ma 3.0 ma 147.0 ma 81% t w3-48d5 36-72 vdc 5.0 vdc 300.0 ma 3.0 ma 133.0 ma 78% t w3-48s3.3 36-72 vdc 3.3 vdc 600.0 ma 2.0 ma 98.0 ma 70% t specifications input specifications input voltage range 12v----------9-18v 24v--------18-36v 48v--------36-72v input filter pi type output specifications voltage accuracy +/-2.0% max. voltage balance(dual) +/-1.0% / max. temperature coefficient +/-0.05% / o c 3.3v / 5v----------100mv p-p max. 12v / 15v---------------1% p-p max. short circuit protection continuous line regulation, single/dual 1 +/-0.5% load regulation, single 2 +/-0.5% dual 3 +/-1.0% efficiency isolation resistance 10 9 ohms switching frequency 100khz, min operating temperature range -25 o c to +71 o c case temperature(plastic case) 95 o c max. (copper case) 100 o c max. cooling free-air convection storage temperature range -40 o c to +100 o c dimensions 1.25x0.8x0.4 inches (31.8x20.3x10.2mm) isolation voltage 500vdc min standard models 3k vdc min 4 suffix"h" models case material standard models non-conductive black plastic suffix"m" models 5 black coated copper with non- conductive base notes 1. measured from high line to low line 2. measured from full load to 10% load 3. measured from full load to 1/4 load 4. non-conductive black plastic only 5. suffix"hm" 1.5k vdc instead of 3k vdc isolation typical at ta= +25 oc under nominal input voltages of 12v, 24v and 48vdc, unless noted. the information and specifications contained in this brief are believed to be accurate and reliable at the time of publication. specifications are subject to change without notice. refer to product specification sheet for performance characteristics and a pplication guidelines. consult factory for hundreds of other availa ble input/output voltage configurations.
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