POWER TRANSFORMERS For ON Semiconductor™ NCP 1200 ! W E N Designed specifically for the ON Semiconductor NCP 1200 chipset PQ26/25 platform Materials meet UL 94V-0 requirements 50 Watt power handling capability Electrical Specifications @ 25°C — Operating Temperature -20°C to +85°C Part Number Turns Ratio* (Pri:Sec) Turns Ratio* (Pri:Aux) Primary Inductance (µH) Leakage Inductance (µH) DCR (mW) PF0082 1:0.166 1:0.15 730 20 250 Pri 20 Sec PF0091 1:0.166 — 730 20 250 Pri 20 Sec *NOTE: Other Turns Ratios can be developed on request. Please contact Pulse Applications Engineering for further information. Schematics Mechanical 1.130 28,80 MAX 1.200 30,50 MAX 1 1.210 30,75 MAX 6 2 5 1 .300 7,62 1 2 3 4 5 6 .130 3,30 MIN .150 3,81 1.000 25,40 .040 12 X Ø 1,02 MAX 1 6 Date Code 12 11 10 9 8 7 PF00XX 10,11,12 PRI SEC 7,8,9 AUX PF0082 10,11,12 PRI SEC PF0091 7,8,9 Weight . . . . . . . . . 52 grams Tray . . . . . . . . . . . . . 30/tray Country of Origin Dimensions: Inches mm Unless otherwise specified, all tolerances are ± .010 0,25 TOP VIEW For More Information : UNITED STATES (Worldwide) UNITED KINGDOM (Northern Europe) FRANCE SINGAPORE (Southern Europe) (Southern Asia) TAIWAN, R.O.C. (Northern Asia) HONG KONG (Great China) 12220 World Trade Drive San Diego, CA 92128 U.S.A. http://www.pulseeng.com TEL: 858 674 8100 FAX: 858 674 8262 1 & 2 Huxley Road The Surrey Research Park Guildford, Surrey GU2 5RE United Kingdom TEL: 44 1483 401700 FAX: 44 1483 401701 Zone Industrielle F-39270 Orgelet France TEL: 33 3 84 35 04 04 FAX: 33 3 84 25 46 41 3F-4, No. 81, Sec. 1 HsinTai Wu Road Hsi-Chih, Taipei Hsien Taiwan, R.O.C. Tel: 886 2 2698 0228 FAX: 886 2 2698 0948 19/F, China United Plaza 1008 Tai Nan West Street Cheung Sha Wan, Kowloon Hong Kong, China TEL: 852 2788 6588 FAX: 852 2776 1055 150 Kampong Ampat #07-01/02 KA Centre Singapore 368324 TEL: 65 287 8998 FAX: 65 280 0080 DISTRIBUTOR Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product names mentioned herein may be trademarks or registered trademarks of their respective owners. Printed on recycled paper. © 2001, Pulse Engineering, Inc. PRELIMINARY P550.P (12/01)