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Nowadays, the solid-sate lighting technology evolution has changed traditional solutions in lighting. High-Brightness Light-Emitting Diodes (HB-LEDs) have become very attractive light sources due to their excellent characteristics: high efficiency, high life-time and low maintenance. It is evident that HB-LED drivers must be durable and efficient to achieve these advantages. Moreover, for replacing...
In the last few years, several low-cost power factor correctors (PFC) control techniques operating in continuous conduction mode (CCM) have been proposed in order to simplify the traditional control strategies based on an analog multiplier. This simplification makes sense in the case of relatively low-power and wide input voltage range applications. These techniques are focused in the boost converter...
When a power factor corrector (PFC) is designed with a fast output-voltage feedback loop, the study of the power stage changes in comparison with the one carried out with a slow output-voltage feedback loop. This is a consequence of the voltage ripple that appears in the control signal. A study of the static behaviour of a PFC with fast output-voltage feedback loop is carried out in this paper by...
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