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Thread: PSU for Prusa i3
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09-11-2015, 01:37 PM #1
Yes. But a better way to look at it is this: Because it is a switching power supply, it turns its output transistors all the way on. Then all the way off. It feeds this into a capacitor to smooth out the power. This is efficient because it isn't dropping a lot of voltage across the output transistors. But... One of the rubs is you need to have some amount of a load on it. Without the load, it can't regulate the output voltage. And if it can't detect a load, it shuts down.
Maybe that isn't quite true. But that is close to the truth and one of the electrical engineer types can jump in and correct this thought.
Please explain to me how to...
05-17-2024, 12:15 PM in 3D Printer Parts, Filament & Materials