Power MOSFET Basics
- REPI: resistance from the top layer of silicon (epitaxial silicon, also known as epi); epi controls the amount of blocking voltage the MOSFET can sustain - RSUBS: resistance from the silicon substrate on which the epi is grown Figure 3a: RDSON components of a trench MOSFET For a planar MOSFET, the RDSON components are similar to
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