I am designing a boost converter for my final year college project. The circuit seems correct to me but the problem is that the output is slowly falling after a certain time. I am using 12 volts adapter as the power source and the expected output is around 24 volts. A 555 timer is used for the pwm in the circuit. I have attached the circuit diagram please check it and let me know of all the possible changes as i have my submissions on 17th of May.
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