SMT Flyback Transformers For Nationals 100kHz Simple Switcher Designed for use with Nationals device numbers LM2585/86 and LM2587/88 Performance verified by National Semidconductor Electrical Specifications 25C - Operating Temperature -40C to +130C DCR DCR DCR DCR Part LP IIN VIN VOUT 1 VOUT 2 VOUT 3 Turns Primary Sec 1 Sec 2 Sec 3 IOUT 1 IOUT 2 IOUT 3 Number (H NOM) (H NOM) (VDC) (VDC) (VDC) (VDC) Ratio (MAX) ( MAX) ( MAX) ( MAX) 4-6 3.3 1.8 PE-68411NL 22 4.85 4-6 5 1.4 1:1 0.04 0.04 8-16 12 1.2 PE-68412NL 22 5.00 4-6 12 -12 0.3 0.3 1:2.5:2.5 0.04 0.5 0.5 PE-68413NL 66 2.99 18-36 5 12 -12 1.8 0.25 0.25 1:0.5:1.15:1.15 0.03 0.80 0.80 0.80 PE-68414NL 65 2.98 18-36 12 -12 0.63 0.63 1:1.2:1.2 0.25 0.25 0.25 PE-68421NL 85 4.90 18-36 12 -12 1 1 1:0.8:0.8 0.22 0.22 0.22 PE-68422NL 85 4.92 18-36 5 12 -12 2.5 0.5 0.5 1:0.35:0.8:0.8 0.025 0.25 0.25 0.25 Notes: Simple Switcher is a trademark of National Semiconductor Corporation Mechanical Schematic PE-68411NL, PE-68412NL, PE-68413NL, PE68414NL PE-684XXNL PAT PEND DATE CODE COUNTRY OF ORIGIN PE-68411NL 1 8 SEC 1 16 9 .470 MAX 11,94 PE-68412NL 7 .005/0,13 .060 1 SEC 1 10 16 SURFACES 1,52 8 1.040 16 SEC 2 MAX 26,42 9 .900 .010 .100 22,86 0,25 PE-68413NL 14X 8 9 1 2,54 8 SEC 1 16 9 .920 2 MAX 7 .700 23,37 SEC 2 17,78 15 10 16 6 1 SEC 3 .900 11 22,86 PE-68414NL 8 1 SEC 1 R 9 .700 7 16 SEC 2 Inches 17,78 .070 10 Dimensions: 16X 1,78 mm .010 .100 Unless otherwise specified, all tolerances are 16X 2,54 0,25 USA 858 674 8100 Germany 49 7032 7806 0 Singapore 65 6287 8998 Shanghai 86 21 62787060 China 86 755 33966678 Taiwan 886 3 4356768 1 pulseelectronics.com P598.B (06/15)SMT Flyback Transformers For Nationals 100kHz Simple Switcher (continued) Mechanical Schematic PE-68421NL, PE-68422NL .970 MAX 24,64 .800 20,32 .200 .010 8X 5,08 0,25 10 6 PE-68421NL 1.070 MAX 1 4 27,18 SEC 1 .900 .010 DATE CODE 10 7 COUNTRY OF ORIGIN 22,86 0,25 2 5 SEC 2 5 1 9 6 PE-68422NL 1 3 .700 MAX SEC 1 17,78 10 8 2 4 SEC 2 7 9 .680 5 17,27 SEC 3 6 .095 10X 2,41 Inches Dimensions: mm .800 20,32 .200 .010 Unless otherwise specified, all tolerances are 5,08 0,25 .055 R 1,40 .900 22,86 .185 4,70 .110 2,79 For More Information Pulse Worldwide Pulse Europe Pulse China Headquarters Pulse North China Pulse South Asia Pulse North Asia Headquarters Einsteinstrasse 1 B402, Shenzhen Academy of Room 2704/2705 135 Joo Seng Road 3F, No. 198 12220 World Trade Drive D-71083 Herren- Aerospace Technol- Super Ocean Finance 03-02 Zhongyuan Road San Diego, CA berg ogy Bldg. Ctr. PM Industrial Bldg. Zhongli City 92128 Germany 10th Kejinan Road 2067 Yan An Road Singapore 368363 Taoyuan County 320 U.S.A. High-Tech Zone West Taiwan R. O. C. Nanshan District Shanghai 200336 Tel: 886 3 4356768 Shenzen, PR China China Tel: 65 6287 8998 Fax: 886 3 4356823 (Pulse) Tel: 858 674 8100 Tel: 49 7032 78060 518057 Fax: 65 6287 8998 Fax: 886 3 4356820 (FRE) Fax: 858 674 8262 Fax: 49 7032 7806 135 Tel: 86 755 33966678 Tel: 86 21 62787060 Fax: 86 755 33966700 Fax: 86 2162786973 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. Copyright, 2015. Pulse Electronics, Inc. All rights reserved. 2 pulseelectronics.com P598.B (06/15)