Stand-Off Type Low Power Push-Pull Transformers ELECTRONICS INC. EPC3126-X • Designed for use with Maxim Max 253/845 • Operating Temperature : --40°C to +85°C • UL1446 Class F Insulating System • UL94-V0 Recognized Materials • Teflon FEP Insulation • Up to 1 Watt Electrical Parameters @ 25° C PCA Part Number Voltage (V) Primary OCL (µH Typ.) Turns Ratio (Pri. to Sec.) ET (V-µSec.) Duty Cycle (%) Rectification (Half or Full Wave) V in V out @ 100 KHz, 0.1 Vrms Pri. :Sec. @ 350 KHz Connections 5 15 793 1CT:2CT 11 75 Voltage Doubler 3.3 5 793 1CT:2CT 11 75 † Output Center Tap EPC3126-2 5 5 793 1CT:1.3CT 11 75 † Output Center Tap 5 10 793 1CT:1.3CT 11 75 Voltage Doubler EPC3126-3 5 10 793 1CT:2.6CT 11 77 † Output Center Tap EPC3126-4 5 12 793 1CT:3CT 11 80 † Output Center Tap 5 24 793 1CT:3CT 11 80 Voltage Doubler EPC3126-5 3.3 5 793 1CT:1CT 11 75 Voltage Doubler EPC3126-6 5 5 793 1CT:0.6CT 11 83 Voltage Doubler EPC3126-7 5 12 793 1CT:1.5CT 11 80 Voltage Doubler • Switching Frequency : 250 KHz - 1 MHz • Isolation : 4500 Vrms (1 minute) • † Connections : Output Center Tap as Common/Return • EPC3126-1 { { { Schematic Pri. 5 Sec. 6 3 4 1 2 Package 5 6 PCA 3 EPC3126-X 4 D.C. 1 .350 Max. (8.89) 2 .500 Max. (12.70) .250 Max. (6.35) .020 (.508) .070 Min. (1.78) .500 Min. (12.70) .400 (10.16) .100 (2.54) .200 (5.08) 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. CSC3126-X Rev. 2 11/21/05 FT TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com