Which outcome occurs when a DC-DC boost converter circuit operates in discontinuous conduction mode (DCM)?

💡 Explanation

When a DC-DC boost converter operates in DCM, the inductor current falls to zero during each switching cycle, causing a larger voltage ripple on the output capacitor because the energy transfer is intermittent. Therefore, increased output voltage ripple results, rather than EMI reduction, improved efficiency, or decreased distortion which are associated with continuous conduction mode.

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