How To Choose MOSFET This article discusses the key factors in choosing a MOSFET, including RDS(ON), thermal performance, avalanche breakdown voltage, and switching performance. First, determine whether to use an N-channel or P-channel MOSFET based on application voltage and current ratings. Next, calculate conduction loss and thermal requirements to ensure the MOSFET operates under worst-case conditions. Finally, evaluate switching performance and select devices with appropriate gate charge. Understanding these parameters helps designers choose the right MOSFET, ensuring successful circuit design.
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