App note: dV/dt ratings for low voltage and high voltage power MOSFET

App note from Alpha & Omega Semiconductor, Inc. about the importance of voltage ramp and diode recovery dV/dt and avalanche breakdown ratings of power MOSFET. Link here (PDF)

dV/dt rating is an important parameter for the ruggedness of power MOSFET. It is usually a parameter shown in high voltage Power MOSFET (BVdss ≥ 500V) datasheets, but doesn’t appear in most low voltage power MOSFET (BVdss≤ 100V) datasheets including all low voltage datasheets made by AOS.

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