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This paper describes a dc-dc boost converter which shows near null load transient response. The boost converter is augmented with extra energy paths that sink or supply charge during load steps. The output voltage deviation and inductor current overshoot during load transients are substantially reduced or eliminated. A charge-balance based analysis is utilized in this paper to describe the control...
A hardware efficient optimum-deviation voltage mode controller with a fast and noise-insensitive detection of the key voltage waveform points during load transients is introduced. To reduce the effects of noise and delays on the detection, a two extreme point detector with a voltage tracking window is introduced. In addition, an on-line algorithm for the compensation of load-dependent duty ratio variations...
A predictive control of buck converter to achieve fast transient response is presented. The methodology is based on using the output capacitor current and instantaneous output voltage to predict the output voltage at the end and mid of a switching cycle to determine the state of the main switch. Two switching criteria, one for switching on and one for switching off the main switch, will be formulated...
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