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The 22ohm is connected betwwen pic port pin and mosfet gate and 1K resistor is connected mosfet gate and source. The 25mA current details is given in datasheet of pic as given below.
12.0 ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings(†)
Max. output current sunk by any I/O pin...
I am driving two mosfet working in push pull mode(Electronic CFL ballast) directly from microchip microcontroller I/O output with 25mA source current. I have used a gate resistor of 22ohm and gate discharge resistor of 1K. The mosfet I have used is IRFZ44N the datasheet attached.
Qg Total Gate...
output transformer design
How to design a pushpull inverter transformer for cfl ballast of 18W output power from 12V input voltage and 1.5A input current generating 50V cfl Von voltage and 360mA at the ouput. According to frequency, output power and input power how the high frequency ferrite...
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