Flyback Power Transformer ELECTRONICS INC. EPC3168G-X & EPC3168G-X-LF • Used in SMPS Flyback Topology • Add “-LF” after part number for Lead Free • Designed for use with National Semiconductor Chips LM2585 to LM2588 • UL94V-0 Recognized Components • UL1446 Class B Insulation System • Very Low Core Loss Electrical Parameters @ 25° C PCA Part Number Chipset Xfmr Code Voltage (Vdc) V out 1 V in Pin 2-3 V out 2 Primary OCL (µH ± 10%) V out 3 @ 10 KHz, 0.1 Vrms Sec. 1 Sec. 2 Schematic Turns Ratio Current (Amp. Max.) Sec. 3 LM2587/88 T1 N 1.8 N 1:1 4-6 3.3 N 22 N LM2587/88 T1 N 1.4 N 1:1 4-6 5.0 N 22 N LM2587/88 T1 N 1.2 N 1:1 8-16 12.0 N 22 N LM2587/88 T2 -12 0.3 N 1:2.5:2.5 4-6 12.0 N 22 0.3 LM2585/86 T5 12 1.8 0.25 1:.5:1.15:1.15 18-36 5.0 -12 66 0.25 LM2585/86 T6 -12 0.15 N 1:1.2:1.2 4-6 12.0 N 65 0.15 LM2585/86 T6 -12 0.6 N 1:1.2:1.2 18-36 12.0 N 65 0.6 LM2585/86 T7 N 1.4 N 1:1 4-6 3.3 N 47 N LM2585/86 T7 N 1.0 N 1:1 4-6 5.0 N 47 N LM2585/86 T7 N 0.8 N 1:1 8-16 12.0 N 47 N • LM2585/86/87 Switching Frequency : 100 KHz • LM2588 Switching Frequency : 200 KHz • • Storage Temperature : -40°C to +125°C • Operating Temperature : 0°C to +70°C • • Note : “N” means Not Required/No Connections • Isolation : 750 Vrms • EPC3168G-1(-LF) EPC3168G-2(-LF) EPC3168G-5(-LF) EPC3168G-6(-LF) EPC3168G-7(-LF) Package Schematic A .870 (22.10) Top View 1 .100 x .059 (2.54 x 1.50) 3 10 2 11 Vout 1 Vin 12 .750 Max. (19.05) 6 7 A A A B C B B A A A Schematic B .150 (3.81) .670 (17.02) 1.00 Max. (25.40) 10 .100 (2.54) Vout 1 3 11 2 9 Vin .600 Max. (15.24) Vout 2 8 Schematic C 10 Vout 1 Notes : EPC3168G-X EPC3168G-X-LF 1. Lead Finish SnPb Hot Tin Dip (SnCu) 2. Peak Temperature Rating 225°C 3. Moisture Sensitive Levels MSL = 1 4. Weight 5. Packaging Information (Tube) 245°C 11 3 9 2 8 Vout 2 Vin MSL = 1 (Unlimited, ≤30°C/60%RH) (Unlimited, ≤30°C/60%RH) TBD grams TBD grams 4 TBD pieces/tube TBD pieces/tube 5 Vout 3 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. CSC3168G-X & -LF Rev. 2 8/14/07 WC TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com