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[Input +6-40V] ---> [Fuse] ---> [1000uF/50V] ---> [High-Side MOSFET (Q1)] ---+--- [Inductor L1] ---+--- [Output Cap] ---> [Output +] [PWM IC TL494] <--- Feedback <--- [Voltage Divider/Pot]
Introduction In the world of electronics, a reliable, adjustable power supply is the cornerstone of any workbench. Among the myriad of available modules and DIY designs, the S36012 has emerged as a popular choice for makers and professionals alike. Known for its high efficiency, wide input range, and impressive current output, the S36012 is a synchronous rectification buck converter module.
Always keep a high-resolution copy of the diagram handy on your workbench. And remember: when working with high currents, pay attention to your PCB traces and heat management—the diagram won't show you that, but your burned fingers will.
Disclaimer: Always discharge capacitors and follow safety guidelines when working with high-power circuits. Voltages above 36V can be lethal. Have you repaired or modified an S36012? Share your experiences and annotated circuit diagrams in the comments below. For more power supply schematics, check out our guides on the XL4016 and DPS5020.
