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
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
MA1136
MA1137
MA1138
MA1269
MA1270
MA1276
A
A
A
A
A
A
Note:
• OCL, Leakage Inductance @ 100KHz, 0.1V
RMS
• Leakage L: 10µH Max with all Secondaries shorted
• Hipot: 4000V
RMS
, 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
MA Series
1007JW
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
www.mpsind.com
sales@mpsind.com
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