Flyback Transformer TOP224Y/TOP225Y Turns Ratio Bias (3-4) : Primary (2-1) Sec. #1 (8-7) : Primary (2-1) Sec. #2 (6-5) : Primary (2-1) PARAMETER 1 Primary Inductance (2-1) 1 : 8.375 + 4% 1 : 4.250 + 4% 1 : 4.250 + 4% MIN. TYP. MAX. UNITS 585 650 715 µH 35 µH 265 Vac 1 Pri. Leakage Ind. (Sec. Shorted) SCHEMATIC DIAGRAM APP Circuit parameters : AC Line Voltage 47/400 Hz 85 Sec #1 Output Voltage +24.0 Output Current Continuous 50 Sec #2 Output Voltage Vdc +400 -24 Output Current Continuous 50 Peak Current Out, Each Sec. -400 mA +450 mA Line Regulation (85 to 265Vac) 0.20 +% Load Regulations 10-100% 0.20 +% Ripple 50.0 +mV 3000 Isolation Primary & Bias SECONDARY #1 PRIMARY mA Vdc 8 (+24V) 1 (RAIL) (DRAIN) 2 7 (+24V RETURN) (+BIAS) 3 6 (-24V RETURN) BIAS (RETURN) SECONDARY #2 5 (-24V) 4 SHIELD VRms to Secondaries 1. Voltage = 0.250 Vrms Frequency = 100 kHz 8 6 7 5 Physical Dimensions T-1198 YYWW 1 2 3 inches (mm) 4 1.024 (26.0) MAX. .718 (18.2) MAX. Materials used in construction of this component meet or exceed UL Class F (155oC) Before core halves are assembled to bobbin, the Bottom half of core is wrapped with kapton tape to provide 6.2mm creepage, pin to core and core to pin. .820 (20.82) MAX. .16 (4.0) .197 (5.0) TYP. PIN DIA. .031 (0.8) 8 EA.. 1 2 3 4 Bottom View 8 7 6 .496 (12.6) 5 Rhombus Industries Inc. Transformers & Magnetic Products RHOMBUS P/N: T-1198 CUST P/N: DATE: 3/08/99 NAME: SHEET: 1 of 1 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971 www.rhombus-ind.com