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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the main function of a bootstrap circuit?
💡 Hint: Think about the relationship between gate and source voltage.
Question 2
Easy
Which component helps prevent reverse current in a bootstrap circuit?
💡 Hint: Consider what components ensure charging goes in one direction.
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 is the purpose of the bootstrap circuit in high-side NMOS?
- To increase the supply voltage
- To maintain gate-source voltage
- To reduce switching losses
💡 Hint: Consider the relationship of the V_GS to V_th.
Question 2
Is it true that a bootstrap capacitor is charged when the NMOS is off?
- True
- False
💡 Hint: Recall the charging process when the NMOS is not conducting.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a V_CC of 12V and an NMOS with a V_th of 4V, calculate the minimum voltage needed at the gate to turn on the NMOS using a bootstrap circuit.
💡 Hint: Consider where the source voltage can be when activated.
Question 2
Illustrate how adding an additional diode affects the charging of a bootstrap capacitor.
💡 Hint: Think about how diodes interact in series and their forward voltage drop.
Challenge and get performance evaluation