I tested the board for voltage drop and current delivery, output noise, and load step response. To ensure high-quality fabricated boards, I sent the Gerber files to PCBWay. The fast component search engine, Octopart, proved invaluable in quickly obtaining component information and generating the Bill of Materials (BOM). A small potentiometer allows you to adjust the output voltage and set it to 7.5 to 8V.įor the schematic and PCB design, I utilized Altium Designer 23 and shared the project with my friends for feedback and updates using Altium-365. The transformer's ferrite core is RM8, which is different from most supplies that use 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. Copyright: Attribution-NonCommercial-NoDerivs (CC-BY-NC-ND)
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