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| Flyback Power Transformer ELECTRONICS INC. EPC3133-X * Used in SMPS Flyback Topology * Designed for use with Power Integration Chip * Reinforced Insulation (Triple Insulated Wire) * UL 94V-0 Recognized Components * UL 1446 Class F Insulation System * Very Low Core Loss Electrical Parameters @ 25 C PCA Part Number Chipset Voltage (Vdc) V in Pin 1-3 V out 1 V out 2 V out 3 V out 4 Primary OCL (H 10%) @ 10 KHz, 0.1 Vrms Sec. 1 Current (Amp.) Sec. 2 N 0.4 N N N 0.17 Sec. 3 N .05 .05 N .05 .05 Sec. 4 --.005 --------- Schematic EPC3133-1 EPC3133-2 EPC3133-3 EPC3133-4 EPC3133-5 EPC3133-6 TNY253 (44 KHz) TOP242P (132 KHz) TNY254 (44KHz) TNY266P (132 KHz) TNY267 TNY268 (132 KHz) N --.173 120-375 7.5 5100 N 6.2 30 1.5 120-375 3.3 2100 15 N --.25 120-375 12 3670 15 N --1.0 120-375 5 1660 N N --2.0 120-375 3.3 2800 15 24 --0.17 120-375 24 1800 13 * Switching Frequency : 132 KHz/44 KHz * Isolation : 3750 Vrms * Dielectric Rating (Vdc) A B A A A A 1 sec. 4500 or 60 sec. 3750 Pri. to all Sec. Wdg's 1 sec. 4500 or 60 sec. 3750 Between Sec. Wdg's to Core * Note : "N" means Not Required/No Connections * 1 sec. 1500 or 60 sec. 1000 Between Pri. Wdg & Bias Schematic A 1 9 V in Pri. 2 (Pin 1-3) 3 Sec. 3 (Fb/Bias) 4 6 5 Sec. 1 8 7 Sec. 2 Sec. 3 (Fb/Bias) 1 V in Pri. 2 (Pin 1-3) 3 Schematic B 9 Sec. 4 8 Sec. 2 7 4 6 5 Sec. 1 Shield is optional Pin #2 is not connected in circuit Package .590 (15.00) .937 (23.80) .779 (19.80) .197 (5.00) 9 6 .193 (4.90) .587 (14.90) PCA EPC3133-X .669 (17.00) 1 5 .157 (4.00) .025 Sq. (.640) .669 Typ. (17.00) .098 (2.50) .590 Typ. (15.00) .197 (5.00) .138 (3.50) .551 (14.00) 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. CSC3133-X Rev. 3 1/26/05 FT TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com |
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