MOSFET efficiency factors

MOSFET Efficiency Factors for Switching Converters

We will discuss here the three main contributors of power losses of the MOSFET when used in switching converter or switch mode power supply. The main MOSFET efficiency factors are drain to source on state resistance, gate charge and the equivalent output capacitance.  Drain to source on state resistance or simply RDSon has a positive temperature coefficient (increases with temperature

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