? coilcraft, inc. 2007 specifications subject to change without notice. please check our website for latest information. smt planar transformer document 488 document 488 revised 02/07/06 the DA2025-AL surface mount planar transformer is approved by national semiconductor for use with its lm5035 pwm controller with integrated 105 v half-bridge and syncfet drivers. it is listed in an-1435 lm5035 evaluation board application note. this transformer is designed for 100 watt applications and can handle current up to 30 a. it features excellent dcr, very low leakage inductance and 1500 vdc primary to secondary isolation. coilcraft can also design custom planar transformers with different turns ratios and with an auxiliary winding to meet your specific requirements. for free evaluation samples, contact coilcraft or visit www.coilcraft.com . for nsc lm5035 pwm controller 1. when ordering, please specify packaging code: DA2025-AL d packaging: d =13 machine ready reel. eia-481 embossed plastic tape (200 parts per full reel). b = less than full reel. in tape, but not machine ready. to have a leader and trailer added ($25 charge), use code letter d instead. output primary leakage pri/sec part output output current inductance 2 inductance 3 dcr max isolation number 1 power (w) voltage (v) (a rms) mi n (h) max (h) (mohms) (vdc) DA2025-AL_ 100 3.3 30.0 120.0 0.25 50 (pri) 1500 2 (sec) 250 (aux) 2. inductance measured on an agilent/hp 4284 between pins 2 and 4 at 200 khz, 0.1 vrms, 0 adc. 3. leakage inductance measured between pins 2 and 4 at 200 khz, 0.1 vrms, 0 adc with secondary pins shorted. 4. ambient operating temperature range: ?40c to +85c. 5. electrical specifications at 25c. 0.800 20,32 recommended land pattern 0.095 2,41 0.190 4,83 0.250 6,35 ? 0.110 2,79 ? 0.080 2,03 0.360 9,14 max 0.810 20,57 max 0.920 23,37 max 0.006 /0,15 1 10 8 2 6 4 5 1 10 3 8 2 9 4 7 5 6 weight: 12.5 g terminations: matte tin over nickel over brass tape and reel: 200/13 reel 44 mm tape width 2 4 1 5 8 8t pri aux sec 5t 2t 2t 10 6
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