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A unified approach to class E versus quasi-resonant switch topologies

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1 Author(s)
B. Tomescu ; Adv. Power Supplies Group, Texas Instrum. Inc., Dallas, TX, USA

A generalized methodology of achieving class E versus quasi-resonant (QR) switching is introduced, and the associated resonant switch topologies are analyzed, with the conclusion that class E operation can be achieved for a given switching edge if the respective current or voltage is continuously differentiable (C1) through the switching instant. This concept is applied to show how the category of class E switches includes the QR switches, but contains a wider variety of configurations

Published in:

IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing  (Volume:45 ,  Issue: 6 )