The transformer's ferrite core is RM8, which differs from most supplies using EE or EI cores. The controller chip is DK125, which does not need any external supply, a startup resistor, or even an auxiliary winding on the transformer. ![]() The maximum power delivery of this power supply is 24W, which means it can handle 3A at 8V output. The 8V selection for the output makes this supply friendly for any type of linear regulator. In this article/video, I introduced an AC to DC Flyback Switching power supply that converts 220V-AC to 8V-DC, which can be used in a variety of applications. Any instability or malfunction in this part causes the device to stop its operation or show weird behavior. ![]() The most important part of any electronic device is the power supply section.
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