DC-DC Converters

Which elements play a crucial role to ensure all types of DC converters can step-down or step-up the input voltage value?

• Capacitors

• Inductors

• Power switches

• Resistor

In the operation of DC converters, inductors and capacitors act as voltage and current filters, respectively.

• True

• False

Identify the correct circuit of a buck converter.

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Identify the correct circuit of a boost converter.

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Identify the correct circuit of an indirect DC converter.

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The connection between the load and DC source created when _____________________.

• S1 turn-on and D turn-off.

• S1 turn-off and D turn-on.

• S1 turn-on and D turn-on.

• S1 turn-off and D turn-off.

The connection between the load and DC source created when _____________________.

• S1 turn-on and D turn-off.

• S1 turn-off and D turn-on.

• S1 turn-on and D turn-on.

• S1 turn-off and D turn-off.

Choose the differences between the boost and buck-boost converters.

• The connection of the capacitor.

• The connection of power switches.

• The supply voltage polarity.

• The output voltage polarity.

The output voltage of all DC converters is directly proportional to the duty cycle.

• True

• False

Indirect DC converters have a better performance than buck and boost converters.

• True

• False