HF FLYBACK TRANSFORMER MA Series • Power Output: 14 Watts • Switching Frequency: 200KHz • Topology: Flyback • Input Voltage: 33V - 57V (3-2) • Complies with IEC60950, IEC60601, and IEC61558 requirements for Reinforced Isolation • Operating Temperature: -40°C to +130°C • RoHS Compliant Product ELECTRICAL SPECIFICATION @ 25°C Part No Primary OCL µH Typ (3-4) 120 120 120 120 120 120 MA1136 MA1137 MA1138 MA1269 MA1270 MA1276 Turns Ratio ±5% (3-2 : 4 5 : 9/8-7/6) 12 : 2.5 : 1.0 8 : 1.67 : 1.0 3.43 : 0.71 : 1.0 12 : 3.75 : 1.0 9.6 : 2.4 : 1.0 3.43 : 1.0 : 1.0 Secondary Output V/A (9/8 - 7/6) 3.3V / 4.1A 5V / 2.7A 12V / 1.13A 3.3V / 4.1A 5V / 2.7A 12V / 1.13A Aux V/A (4 - 5) 8V / 20mA 8V / 20mA 8V / 20mA 12V / 20mA 12V / 20mA 12V / 20mA Schematic A A A A A A Note: • OCL, Leakage Inductance @ 100KHz, 0.1VRMS • Leakage L: 10µH Max with all Secondaries shorted • Hipot: 4000VRMS, 1mA, 60S ( Pri to Sec ) • End user required to connect the solder pad of Pin 9 to Pin 8 and Pin 7 to Pin 6 on their PC Board layout for full function Mechanical Schematic Dimensions Unless otherwise specified, all tolerances are: inch: .XX : ± 0.015 .XXX : ±0.004 mm: X,X : ± 0,38 X,XX : ±0,10 Product performance is limited to specified parameter. Data is subject to change without prior notice. 13200 Estrella Ave., Bldg. B Gardena, CA 90248 Tel: (310) 325-1043 Fax: (310) 325-1044 MA Series 1007JW www.mpsind.com [email protected]