wfc02r 11/98 rev b page 1 description the wfc02r is a family of high performance dc/dc converters that offers regulated outputs over input voltage ranges of 9-36v and 18-72v while offering a wide operating temperature range of -40c to +85c without derating. each wfc02r contains input filtering to minimize conducted noise. the design utilizes surface mounted components, including magnetics, to provide enhanced reliability. the converter is designed to meet the requirements of en60950 with the ?l? pinout having 1,500 vdc isolation. all wfc02r converters are designed to withstand input voltage transients to 200% of nominal input voltage. an additional feature is the ability of the wfc02r to drive high capacitive loads. features ! low cost, high performance ! small dip package ! full power to +85c ! extended temperature range: -40c to +85c ! industry standard pinouts ! full short circuit protection ! high capacitive loading capability ! protected against high input voltage internet: http://www.cdpowerelectronics.com power electronics division, united states 3400 e britannia drive, tucson, arizona 85706 phone: 800.547.2537 fax: 520.770.9369 power electronics division, europe c&d technologies (power electronics) ltd. 132 shannon industrial estate , shannon, co. clare, ireland tel: +353.61.474.133 fax:+353.61.474.141 simplified circuit diagram applications ! telecommunications ! battery powered systems ! portable instruments ! process control equipment ! transportation equipment ! distributed power systems product data sheet 2 w at t r egulated w ide i nput r ange dc/dc c onverter wfc02r
wfc02r 11/98 rev b page 2 wfc02r xxyzz e device family indicates wide input power 2w regulated dc/dc model number selected from table of electrical characteristics xx=input voltage y=number of outputs: s=single, d=dual zz=output voltage pinout option e or l ordering information absolute maximum ratings output short circuit protection ------------ continuous internal power dissipation --------------------------- 1.5w lead temp (soldering, 10s max) ---------------- +300c max case temperature --------------------------- +100c electrical specifications specifications typical at t a =25c, nominal input voltage, rated output current unless otherwise stated. nominal rated max input max input output output current (ma) current capacitive efficiency voltage voltage (ma) load ( f) % model (volts) (volts) min load rated load rated load wfc02r24s05 24 5.0 40 400 300 400 77 wfc02r24s12 24 12.0 16 167 306 167 76 wfc02r24s15 24 15.0 12 125 306 125 77 wfc02r24d05 24 +5.0 +20 +200 315 +200 75 wfc02r24d12 24 +12.0 +8 +80 315 +80 76 wfc02r24d15 24 +15.0 +7 +67 315 +67 76 wfc02r48s05 48 5.0 40 400 152 400 74 wfc02r48s12 48 12.0 16 167 152 167 74 wfc02r48s15 48 15.0 12 125 152 125 76 wfc02r48d05 48 +5.0 +20 +200 156 +200 74 wfc02r48d12 48 +12.0 +8 +80 156 +80 76 wfc02r48d15 48 +15.0 +7 +67 155 +67 77
wfc02r 11/98 rev b page 3 common specifications specifications typical at t a =25c, nominal input voltage, rated output current unless otherwise stated. parameter conditions min typ max units input voltage range 9 24 36 vdc 18 48 72 vdc reflected ripple current 50 ma p-p isolation safety standards designed to meet requirements of en60950, en41003 & ul1950 rated voltage "l" pinout 1500 vdc "e" pinout 1000 vdc test voltage?60 hz, 10 secs "l" pinout 1500 vpk "e" pinout 1000 vpk resistance 10 g ? capacitance 220 pf leakage current v iso =240vac, 60 hz 30 arms output rated power 2 w voltage setpoint accuracy +3.0 % temperature coefficient +0.02 %/c line regulation-singles low line to high line +1.5% % line regulation-duals low line to high line +1.5% % load regulation-singles min load to rated load +2% % load regulation-duals min load to rated load +2% % ripple & noise bw=5 hz to 20 mhz 50 100 mv p-p general mttf per mil-hdbk-217, rev f t a =25 1,000,000 h ours temperature operation -40 +85 c storage -55 +125 c
wfc02r 11/98 rev b page 4 technical information notes: 1. all dimensions in inches and (millimeters). 2. units are encapsulated with a low thermal resistance molding compound which has excellent chemical resis- tance, wide operating temperature range and good electrical properties under high humidity environments. the encapsulant and outer shell have ul94v-0 ratings. lead material is brass with a solder plated surface to allow ease of solderability. 3. grid: 0.100 inches, (2.54 mm). 4. pin placement tolerance: +0.015", ( +.381 mm). pin pin function number singles duals 1 +vin +vin 2 no connection -vout 3 no connection common 10 -vout common 11 +vout +vout 12 -vin -vin 13 -vin -vin 14 +vout +vout 15 -vout common 22 no connection common 23 no connection -vout 24 +vin +vin the information provided herein is believed to be reliable; however, c&d technologies assumes no responsibility for inaccuracie s or omissions. c&d technologies assumes no responsibility for the use of this information, and all use of such information shall be entirely at the user?s own risk. pr ices and specifications are subject to change without notice. no patent rights or licenses to any of the circuits described herein are implied or granted to any third party. c&d technologie s does not authorize or warrant any c&d technologies product for use in life support devices/systems or in aircraft control applications. mechanical specifications pinout ? e ? pin pin function number singles duals 2 -vin -vin 3 -vin -vin 9 no connection common 11 no connection -vout 14 +vout +vout 16 -vout common 22 +vin +vin 23 +vin +vin pinout ? l ?
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