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← TechnologyWhich outcome arises when a power MOSFET's gate charge insufficient during high-frequency switching?
A)Increased switching losses occur✓
B)Enhanced thermal runaway threshold
C)Gate oxide layer strengthening
D)Reduced electromagnetic interference (EMI)
💡 Explanation
Increased switching losses occur because the MOSFET does not fully transition between on/off states, due to insufficient gate charge. The mechanism is incomplete channel formation; therefore current flows during the transition, rather than a sharp on/off.
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