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| Push-Pull Low Power Transformer ELECTRONICS INC. EPC3115S-X & EPC3115S-X-LF * Designed for use with Maxim Max253/Max3535E * Add "-LF" after part number for Lead-Free * Used in SMPS Push-Pull Topology * UL 94V-0 Recognized Components * UL 1446 Class B Insulation System * Switching Frequency : 350 KHz * 8 Pin SOIC PCMCIA Package * 700 Vdc Minimum Isolation * Very Low Core Loss Electrical Parameters @ 25 C PCA Part Number EPC3115S-1 EPC3115S-2 *EPC3115S-3 *EPC3115S-4 EPC3115S-5 EPC3115S-6 EPC3115S-7 EPC3115S-8 Voltage (V) Primary OCL (H Typ.) Turns Ratio (Pri. to Sec.) ET (V-Sec.) Duty Cycle (%) Rectification (Half or Full Wave) { { V out V in @ 100 KHz, 0.1 Vrms Pri. :Sec. @ 350 KHz Connections 75 3.3 5 394 1:1:2:2 7.1 Output Center Tap 75 5 5 988 1:1:1.3:1.3 11 Output Center Tap 75 5 10 988 1:1:1.3:1.3 11 Voltage Doubler 75 5 10 988 1:1:2.67:2.67 11 Output Center Tap 80 5 12 988 1:1:3:3 11 Output Center Tap 80 5 24 988 1:1:3:3 11 Voltage Doubler 75 3.3 5 394 1:1:1:1 7.1 Voltage Doubler 75 5 5 988 1:1:.67:.67 11 Voltage Doubler 80 5 12 988 1:1:1.5:1.5 11 Voltage Doubler 75 5 15 988 1:1:2:2 11 Voltage Doubler * Connections : Output Center Tap as Common/Return * Operating Temperature : -40C to +85C * Package .290 (7.37) .070 (1.78) Marking : PCA EPC3115S-X(-LF) Date Code Pin 1 I.D. .150 (3.81) *.098 Max. (2.49) for EPC3115S-3/-4 .003/.010 (.076/.254) 0-8 .050 (1.27) .018/.022 (.457/.559) Notes : 1. Assembly Process (Solder Composition) 2. Peak Solder Rating (per IPC/JEDEC-J-STD-020C) Schematic Pri. .050 (1.27) .090 (2.29) 1 2 3 Sec. 8 7 6 5 .270 (6.86) .420 Pad (10.67) Layout 4 .030 (.762) .008/.012 (.203/.304) Application .088 Max. (2.24) .025 (.635) .365 (9.27) EPC3115S-X-LF Pb-Free 260C 1 (Unlimited, 30C/60%RH) TBD grams TBD pcs / tube EPC3115S-X SnPb 225C 1 (Unlimited, 30C/60%RH) TBD grams (Tube) TBD pcs / tube 3. Moisture Sensitive Levels (MSL) (per IPC/JEDEC-J-STD-020C) 4. Weight 5. Packaging Information 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. CSC3115S-X & -LF Rev. 5 8/25/05 FT TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com |
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