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This paper introduces and surveys a new family of transient-oriented controllers for indirect energy transfer converters. The controllers incorporate a peak current programmed mode control for steady-state operation and a nonlinear, state-plane-based transient-mode control schemes for load transients. The new controllers facilitate extremely fast convergence from a loading transient to the new steady-state...
This paper introduces a new envelope tracking power supply to enhance the performance and reduce the overall volume of transmitter modules. The realization is based on a gyrator resonant switched-capacitor converter (GRSCC) that acts as a controlled bi-directional current source with a virtually instantaneous response to create the desired envelope. A quasi-non-casual control method is further applied...
This paper explores the large-signal and smallsignal dynamics of a series-capacitor (SC) buck-type converter and introduces an optimal closed-loop control scheme to accommodate both the steady-state and transient modes. As opposed to a conventional buck converter, where time-optimal control is realized by a single on-off cycle, in the SC-buck topology there is a need to distribute the switching phases...
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