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Hey there! I’ve been diving into some technical details about a UC3845-based switching power supply design. It’s fascinating how such small components can make a big difference in performance. Let me break it down for you.
First up, the main switch needle from KG-300K has a head diameter of 3.0mm and operates as a normally open switch. This needle is crucial for ensuring smooth transitions in the circuit. Next, we have the MOS power IC, which covers the entire range of operations, making it highly efficient across different loads.
Another component that caught my attention is the KKST patch plug-in crystal oscillator. It’s available in both active and passive versions and is currently very popular in the market. The model I’m looking at specifically is the 24.576000MHz version, which is perfect for high-frequency applications.
Now, let’s talk about the transformer specifications. The design uses a switching frequency of 180kHz with a maximum duty cycle of 50%. For the power outputs, N2 provides 22V at 1A, while N3 delivers 12V at 0.1A. The transformer itself uses an EFD15 skeleton, which is compact yet robust enough to handle these requirements.
Here’s a quick diagram of the UC3845 switching power supply circuit to give you a better visual:
It’s amazing how all these parts work together to create a reliable power supply system. If you’re working on something similar, these details could be super helpful. Let me know if you need more insights or help troubleshooting any issues!
In addition to this, I’ve also been researching other components like the KKST patch plug-in crystal oscillators, which come in various frequencies including 24.576000MHz. They’re great for applications requiring precise timing and stability.
The beauty of using the EFD15 skeleton for the transformer is its compatibility with high-frequency designs while maintaining efficiency. The combination of these components really highlights the importance of selecting the right parts to ensure optimal performance.
If you’re curious about how these pieces fit together, feel free to ask. I’d love to share more tips and tricks I’ve picked up along the way. Happy tinkering!
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