Module 3.5

Switched Mode Power Supplies Quiz

Try this quiz, based on the information you can find in Power Supplies Module 3. Submit your answers and see how many you get right. If you get any answers wrong, just follow the hints to find the right answer, and learn about Switched Mode Power Supplies as you go.

1.

Which answer from the following list is a major advantage of switched mode power supplies over series regulated supplies?

2.

Which answer from the following list is a disadvantage of switched mode power supplies compared with series regulated supplies?

3.

Which one of the following acts as an energy store in a DC to DC Converter?

4.

psu-fig-3-5-1.gif
Refer to Fig 3.5.1. Which of the following components is not active during the ON period of the switching waveform?

5.

psu-fig-3-5-2.gif
What type of circuit is illustrated in Fig 3.5.2?

6.

Which of the following is one of the main advantages of a push-pull converter compared to buck or boost DC to DC converters?

7.

Which of the following statements is true of a Buck-Boost Converter?

8.

psu-fig-3-5-3.gif
Refer to Fig. 3.5.3. What is the purpose of Tr1 and Tr2?

9.

Refer to Fig. 3.5.3. What is the purpose of IC2?

10.

Refer to Fig. 3.5.3. What type of signal will be present at pin 4 of IC3.

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