offline gate drive transformers ul and c-ul recognized, tv approved components 3000vrms gate to drive winding test useful operating frequency from 50khz to 500khz most popular winding configurations mechanical schematics electrical specifications @ 25c ? operating temperature -40c to 130c reference data primary leakage part 4 turns inductance inductance dcr drive dcr gates drive number ratio et maximum (1-10) gate to drive (1-10) (m 20% ) pri-sec (v * sec max) flux density (h min) (h max) (m 20% ) (vrms) p0584 1:1:1 95.0 2100 450 0.5 80 72 3000 p0585 1:1:1:1:1 95.0 2100 450 3.0 330 180 3000 p058x date code country of origin .130 3,30 .750 max 19,05 .810 max 20,57 .480 max 12,19 10 14 7 p0584 (6 pins) suggested pcb hole pattern .200 5,08 .700 17,78 .350 8,89 (6x) .040 14 10 7 p0585 (10 pins) .200 5,08 .100 2,54 .700 17,78 .400 10,16 .350 8,89 (10x) .040 .100 2,54 14 10 7 9 1 4 10 8 5 gate gate 7 6 2 gate gate 3 drive 1. these gate drive transformers are meant to operate between 50 and 300khz with a 12v, 45% bipolar waveform. 2. the peak flux density should remain below 2100 gauss to ensure that the core does not saturate. use the following procedure to calculate the peak flux density: a. calculate the volt-sec product (et): et = 10 3 * (drive voltage) * (don) / (frequency in khz) b. calculate the operating flux density (b): bpk (gauss) = 40.32 * et/ff where: ff = 1 for unipolar drive applications and 2 for bipolar drive applications 3. the temperature rise of the component is calculated based on the total core loss and copper loss: a. to calculate total copper loss (w), use the following formula: copper loss (w) = irms 2 * (dcr_drive + (# of gates) * dcr_gates) b. to calculate total core loss (w), use the following formula: core loss (w) = 7.5e-5 * (frequency in khz) 1.67 * (20.16 * et/1000) 2.532 c. to calculate temperature rise, use the following formula: temperature rise (c) = 60.18 * (core loss(w) + copper loss (w)) .833 4. to order rohs compliant part, add the suffix " nl " to the part number (i.e. p0584 becomes p0584 nl ). notes: weight . . . . . . . . . . . . . . . .5 grams tray . . . . . . . . . . . . . . . . . . .20/tray dimensions: inches mm unless otherwise specified, all tolerances are .010 0,25 p0584 p0585 www.pulseeng.com p515.b (3/06) for more information: pulse worldwide headquarters 12220 world trade drive san diego, ca 92128 u.s.a. www.pulseeng.com tel: 858 674 8100 fax: 858 674 8262 pulse northern europe 3 huxley road surrey research park guildford, surrey gu2 5re united kingdom tel: 44 1483 401700 fax: 44 1483 401701 pulse southern europe zone industrielle f-39270 orgelet france tel: 33 3 84 35 04 04 fax: 33 3 84 25 46 41 pulse south asia 150 kampong ampat #07-01/02 ka centre singapore 368324 tel: 65 6287 8998 fax: 65 6280 0080 pulse north asia no. 26 kao ching road yang mei chen taoyuan hsien taiwan, r. o. c. tel: 886 3 4641811 fax: 886 3 4641911 pulse china headquarters no. 1 industrial district changan, dongguan china tel: 86 769 85538070 fax: 86 769 85538870 performance warranty of products offered on this data sheet is limited to the parameters specified. data is subject to change w ithout notice. other brand and product names mentioned herein may be trademarks or registered trademarks of their respective owners. ? copyright, 2006. pulse engineering, inc. all rights reserved. pulse north china room 1503 xinyin building no. 888 yishan road shanghai 200233 china tel: 86 21 54643211/2 fax: 86 21 54643210
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