1.

The output ripple voltage in a buck dc-dc converter is calculated using which expression?

A. \(\frac{{{\rm{\Delta }}{V_0}}}{{{V_0}}} = \frac{{1 + D}}{{8LCf}}\)
B. \(\;\frac{{{\rm{\Delta }}{V_0}}}{{{V_0}}} = \frac{{1 - D}}{{8LC{f^2}}}\)
C. \(\frac{{{\rm{\Delta }}{V_0}}}{{{V_0}}} = \frac{{1 - D}}{{8LCf}}\)
D. \(\frac{{{\rm{\Delta }}{V_0}}}{{{V_0}}} = \frac{{1 + D}}{{8LC{f^2}}}\)
Answer» C. \(\frac{{{\rm{\Delta }}{V_0}}}{{{V_0}}} = \frac{{1 - D}}{{8LCf}}\)


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