Power Pcb
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how do i make a 12.5V DC power supply with a 220V source?
i need to make a 12.5V DC power supply with a 220V source
to get my best answer you must
1. must have a diagram showing a complete and working
2. application must only use basic electronic components and principles
3. i want a direct answer
4. if possible, add a PCB diagram
i need this information cause we are having a project on this topic.
thank you for any reply
no need to be rude.
thanks for the not rude answers
well im asking this because this will be my first electronic class and i have no idea how do these things work so thats why im asking for a diagram so i can see how does it work in the multisim.
also i really can understand most of the terminology used in electronics.
anyway my project is not exactly 12.5V
correction
*also i really cannot understand most of the terminology used in electronics.
correction
*also i really "cannot" understand most of the terminology used in electronics.
The simplest way to do this is to build your circuit around a 3-terminal regulator, like an LM317 or LM350 (both easy to get, the LM350 is a higher current version).
Here is a simple schematic of how to put one together:
http://www.electronics-lab.com/projects/power/010/index.html
You will find that you will be setting the variable resistor at about 2.2 kΩ, in order to get the output voltage you want.
It's a fairly easy project to build, even without a PC board.
Good luck!
