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Guideline for determining switching losses associated with switching resistive, capacitive and inductive loads

This Application Note is intended to provide help in all cases where FET switching losses due to repetitive (such as during PWM mode) or slow switching processes must be taken into account. It focuses on thermal considerations for semiconductor switches in switched DC applications. A general idea about how switching losses occur and an outline about what amount of power can be dissipated during switching is given. The effect of these power losses for the temperature of the semiconductor switch is covered as well. The Application Note covers single and/or repetitive switching for ohmic, capacitive and inductive loads.

• 331.62 KB
• 26/04/2017