Flyback Transformer for TOP224P Turns Ratio Bias (3-4) : Primary (2-1) Sec. #1 (8-7) : Primary (2-1) PARAMETER 1 Primary Inductance (2-1) 1 : 8.375 + 4% 1 : 8.375 + 4% MIN. TYP. MAX. UNITS 585 650 715 µH 35 µH Pri. Leakage Ind.1 (Sec. Shorted) SCHEMATIC DIAGRAM RD5 Circuit parameters : AC Line Voltage 47/400 Hz Sec Output Voltage 85 265 Vac 11.4 12.6 Vdc 20 W Output Power (Continuous) Peak Output Power 7, 8 1 (RAIL) PRIMARY W Line Regulation (85 to 265Vac) 1 +% Load Regulations 10-100% 1 +% (DRAIN) 2 (+BIAS) 3 SECONDARY 5, 6 BIAS Ripple 60 3000 Isolation Primary & Bias +mV VRms to Secondarie (RETURN) 4 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-1230 CUST P/N: DATE: 4/21/99 NAME: SHEET: 1 of 1 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971 www.rhombus-ind.com