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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is dynamic power loss in a MOSFET?
π‘ Hint: Think about the ON and OFF states.
Question 2
Easy
What formula is used to calculate conduction losses?
π‘ Hint: Look for current and resistance in the equation.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does P_cond represent?
- Dynamic losses during switching
- Conduction losses in ON state
- Leakage losses in OFF state
π‘ Hint: Think about what happens when the MOSFET is turned ON.
Question 2
True or False: Leakage losses only occur when the MOSFET is ON.
- True
- False
π‘ Hint: Consider the current flow when the switch is off.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A MOSFET operates with V_DS = 30V, I_D = 3A, at a frequency of 500kHz with t_r = 20ns and t_f = 15ns. Calculate P_sw. If R_DS(on) is 0.1Ξ©, find the total power dissipation if P_leakage is 5mW.
π‘ Hint: Start with P_sw, then P_cond, and donβt forget to add leakages.
Question 2
Discuss the implications on efficiency and thermal design if a MOSFET has high R_DS(on) in a power application.
π‘ Hint: Consider how heat affects component longevity and circuit performance.
Challenge and get performance evaluation