Hello,
I want to design a circuit that can take 220V mains voltage and can be adjusted with a potentiometer and outputs 1-27V. For this, I first converted the mains voltage to 24V AC voltage with the help of transformer. Then, I rectified the 24VAC voltage with the help of a bridge diode and obtained a DC voltage of about 33V. I gave this DC voltage to 1uF ceramic capacitance and then to lm317. Finally, by connecting a 1uF electrolyte capacitance and a potentiometer to the output of the lm317, I have obtained a circuit that gives a voltage of about 1 to 28V. There was no problem in the tests I made without connecting my circuit to the load, but when I connected it to the load, I realized that I could not draw even 0.1A.
What are your solutions for this problem?
Kind regards
Can