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| Flyback Power Transformer ELECTRONICS INC. EPC3169-X * Used in SMPS Flyback Topology * Designed for use with National Semiconductor Chip LM2587/88 * UL94V-0 Recognized Components * UL1446 Class B Insulation System * Very Low Core Loss Electrical Parameters @ 25 C PCA Part Number Chipset Xfmr Code V in Pin 1-2 EPC3169-3 EPC3169-4 T3 LM2587/88 18-36 T4 LM2587/88 18-36 * Isolation : 750 Vrms * Voltage (Vdc) V out 1 V out 2 V out 3 Primary OCL (H 10%) @ 10 KHz, 0.1 Vrms Current (Amp. Max.) Sec. 1 Sec. 2 Sec. 3 A B Turns Ratio Schematic -12 1.0 1:.8:.8 N 85 1.012 N 12 2.5 1:.35:.8:.8 0.5 85 0.5 5 -12 200 KHz Switching Frequency : "N" means Not Required/No Connections * Schematic A 10 Vout 1 1 Vin 2 9 7 Vout 2 6 Vin 2 1 Schematic B 10 Vout 1 9 7 Vout 2 6 4 Vout 3 5 Package 1.040 Max. (26.30) Pin # 1 PCA EPC3169-X Date Code .831 Max. (21.10) .823 Max. (20.90) .159 Min. (4.05) 1 .150 (3.80) 5 .012 (.300) .026 (.650) .641 (15.60) .110 Min. (2.80) 10 .201 (5.10) 7 Plcs 6 .803 (20.40) Unless Otherwise Specified Dimensions are in Inches /mm .010 /.25 PCA ELECTRONICS, INC. 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 Product performance is limited to specified parameters. Data is subject to change without prior notice. CSC3169-X Rev. 1 2/25/04 FT TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com |
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