1.25 (31.8) 0.80 (20.3) 0.60 (15.2) 0.40 (10.2) 0.15 (3.8) 0.08 (2.0) 0.10 (2.5) 0.20 (5.1) natural convection cooling 0% 25% 50% 75% 100% 125% -25 0 25 50 75 100 ambient temperature( o c) output current the w7 family of high efficiency dc/dc converters offer power levels of up to 7 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 ? no minimum load required ? regulated outputs ? -25c to +71c ambient operation ? continuous short-circuit protection ? 1500v, 10m ? input-to-output isolation ? pi input filter ? voltage accuracy 2% ? 2:1 input range applications ? servers, switches and data storage ? networking gear ? wireless communications ? data communications ? distributed power architecture ? telecommunications ? semiconductor test equipment ? industrial / medical ? 1400 providence highway ? building 2 norwood, massachusetts 02062-5015 www.intronics.com w7 series dc/dc modules typical at ta= +25 oc under nominal input voltages of 12v, 24v and 48vdc, unless noted. the information and specifications con tained 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 availabl e input/output voltage configurations. app roval pendin g dual output t y pical connections sin g le output t y pical connection intronics, inc. 1400 providence highway, building 2, norwood, ma 02062-5015 ? phone: 1-800- 367-0004, 1-781-551-5500 ? fax: 1-781-551-5555 rev. a ? 5-sided metal shield ? 270 ? 330khz switching frequency ? input undervoltage lockout ? output overvoltage protection ? output current limiting ? no airflow or heatsink required ? delivers up to 7.5w in 1?x1.25?x0.45? package with industry-standard smd pinouts ? through-hole packages available ( add suffix ?t? to the part number) recommended land pattern 0 50 100 150 200 250 300 0 50 100 150 200 250 300 recommended reflow profile throu g h-hole mechanical drawin g deratin g curve output input current model number vin range voltage current no load full load eff (%) regulation line/load startup delay typ (ms) overshoot typ (%) rise time typ (ms) hold time typ (us) recovery typ (us) dynamic response output ripple/noise w7-12s5 5vdc 1500ma 25ma 801ma 78 0.2/1.1% 0.4 5 0.2 100 300 2 % 50mvp-p w7-12s12 12vdc 625ma 25ma 762ma 82 0.2/0.2% 2.2 2 2 100 300 2 % 50mvp-p w7-12s15 15vdc 500ma 25ma 762ma 82 0.2/0.1% 2.5 2 2.3 100 300 2 % 50mvp-p w7-12d5 5vdc 750ma 30ma 791ma 79 0.2/0.5% 1.7 4 1.5 100 300 2 % 60mvp-p w7-12d12 12vdc 310ma 30ma 753ma 83 0.2/0.1% 5 2 4.5 100 300 2 % 60mvp-p w7-12d15 15vdc 250ma 30ma 753ma 83 0.2/0.1% 10 2 6 100 300 2 % 60mvp-p w7-12s3.3 9-18vdc 3.3vdc 1500ma 25ma 557ma 74 0.2/1.1% 0.5 10 0.4 100 300 2 % 50mvp-p w7-24s5 5vdc 1500ma 20ma 396ma 79 0.2/1.1% 15 5 0.2 100 300 2 % 50mvp-p w7-24s12 12vdc 625ma 20ma 381ma 82 0.2/0.2% 20 2 2 100 300 2 % 50mvp-p w7-24s15 15vdc 500ma 20ma 381ma 82 0.2/0.1% 20 2 2.3 100 300 2 % 50mvp-p w7-24d5 5vdc 750ma 25ma 386ma 81 0.2/0.5% 20 4 1.5 100 300 2 % 60mvp-p w7-24d12 12vdc 310ma 25ma 377ma 83 0.2/0.1% 20 2 4.5 100 300 2 % 60mvp-p w7-24d15 15vdc 250ma 25ma 377ma 83 0.2/0.1% 25 2 6 100 300 2 % 60mvp-p w7-24s3.3 18-36vdc 3.3vdc 1500ma 20ma 271ma 76 0.2/1.1% 20 10 0.4 100 300 2 % 50mvp-p w7-48s5 5vdc 1500ma 10ma 195ma 80 0.2/1.1% 15 5 0.2 200 300 2 % 50mvp-p w7-48s12 12vdc 625ma 10ma 190ma 82 0.2/0.2% 20 2 2 200 300 2 % 50mvp-p w7-48s15 15vdc 500ma 10ma 190ma 82 0.2/0.1% 20 2 2.3 200 300 2 % 50mvp-p w7-48d5 5vdc 750ma 15ma 193ma 81 0.2/0.5% 20 4 1.5 200 300 2 % 60mvp-p w7-48d12 12vdc 310ma 15ma 188ma 83 0.2/0.1% 20 2 4.5 200 300 2 % 60mvp-p w7-48d15 15vdc 250ma 15ma 188ma 83 0.2/0.1% 25 2 6 200 300 2 % 60mvp-p w7-48s3.3 36-72vdc 3.3vdc 1500ma 10ma 136ma 76 0.2/1.1% 20 10 0.4 200 300 2 % 50mvp-p all dimensions in inches (mm); to lerance ?xx = 0.02, ?xxx = 0.010 pin size is 0.020? (0.5mm) dia or 0.020? x 0.014? 1 top view 2 3 24 2 3 9 22 1 0 11 12 5 1 5 14 1 3 1 6
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