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← TechnologyWhich thermal consequence results when MOSFET switching frequency increases?
A)Reduced gate oxide breakdown voltage
B)Increased power dissipation and temperature✓
C)Lower channel mobility degradation rate
D)Decreased thermal runaway susceptibility
💡 Explanation
Increased switching frequency in MOSFETs raises dynamic switching losses because more energy is dissipated during each switching transition due to gate charging and discharging. Therefore, power dissipation and device temperature increase, rather than alternative compensation methods becoming more available.
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