A benchtop power supply is a tool for testing and measuring circuit systems by providing direct current dc voltage power to the device under validation.
Digital benchtop power supply schematic.
I often end up with the power clips shorting out on the bench and with no problems.
The main objective of the project is to learn how a linear power supply unit works in the beginning to explain the working principle of a linear power supply i have taken an example of lm 317 based power supply for making the final power supply i purchased a power supply kit from banggood and assembled it.
I have had this circuit in use now for over 20 years and has never let me down and is one of the most.
They range from linear purely analogue supplies with only voltage regulation to switching supplies.
Presented here is a circuit for 30v 10a variable bench power supply that offers variable voltage and current adjustment.
This variable power supply is using 7805 7809 7812 or 7815 voltage regulators where the last 2 digits desktop pc linear power supply circuit p.
An old pc power supply unit makes an excellent and cheap bench top power supply for the electronics constructor.
Every electronics laboratory needs a powerful regulated bench supply.
Power supply is based around a lm723 voltage regulator chip and has current limiting.