2024
DOI: 10.3390/electronics13204051
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A Critical Analysis and Comparison of the Effect of Source Inductance on 3- and 4-Lead SuperJunction MOSFETs Turn-Off

Santi Agatino Rizzo,
Nunzio Salerno,
Cristina Ventura
et al.

Abstract: This paper critically compares the turn-off performance of two package solutions, 3-lead (3L) vs. 4-lead (4L), in SuperJunction MOSFETs. It is commonly assumed that the better performance (lower switching losses) of the 4L MOSFET is obtained thanks to the decoupling of the power and driving loops. On the contrary, in this work, the experimental results, circuit models and Kirchhoff laws show that the turn-off improvement (lower turn-off losses) obtained by adopting the Kelvin source is due to the lower inducta… Show more

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