0-50V 2A Bench power supply

An 0-50v bench power supply can be made using electronic diagram below which is designed using LM10 op amp and 2n3055 transistors.

50V Bench Power Supply Circuit Diagram:

0-50V 2A Bench power supply

This LM10 2n3055 50v bench power supply allows an output voltage regulation in a range between 0 and 50 volts and the output current can be limited to a maximum of 2A. Output voltage increases linearly with the amount of resistance potentiometer P1, while the current can be adjusted linear using potentiometer P3. Potentiometer P2 serves to regulate maximum output current (maximum value is 2A).
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