PROJECT TITLE :
DCM operation analysis of KY converter
A KY converter has the characteristics of non-pulsating output current, low-output voltage ripple and no right-[*fr1] plane zero in continuous conduction mode that will overcome the drawbacks of the standard boost and buck-boost converters. However, when the KY converter is implemented into an integrated circuit, its discontinuous conduction mode (DCM) operation can't be avoided because of a small-inductor worth. The boundary for the DCM operation region, DCM dc voltage and tiny-signal transfer functions are proposed, which fill the gap of the DCM operation theory for the KY converter. Simulation results, using MATLAB and Cadence, are provided to verify the deduced DCM operation theory of the KY converter. The DCM closed-loop controller style can be achievable in future.
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