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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does PWM stand for?
💡 Hint: Think about what is being controlled.
Question 2
Easy
Define duty ratio.
💡 Hint: It's a comparison related to time.
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 PWM primarily used for in DC-DC converters?
- To increase voltage
- To decrease voltage
- To manage the duty cycle for voltage regulation
💡 Hint: Consider the main goal of PWM.
Question 2
Duty ratio is defined as the ON time compared to what?
- True
- False
💡 Hint: Think about the formula from earlier.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If a buck converter has an input voltage of 48V and requires an output of 12V, what should the duty ratio be? Assume continuous conduction mode.
💡 Hint: Utilize the duty ratio formula for buck converters.
Question 2
Design a PWM control circuit for a DC-DC converter with a desired switching frequency of 50 kHz and duty ratio of 0.6. Calculate the switching period.
💡 Hint: Use the relationship between frequency and period.
Challenge and get performance evaluation