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A digital PWM voltage mode controller integrated circuit (IC) for high-frequency dc-dc switching converters achieving virtually minimum possible, i.e. optimum, output voltage deviation to load transients is introduced. The IC is implemented with simple hardware, requiring small silicon area, and can operate as a single-phase or a two-phase controller. To minimize the area and eliminate known mode...
This paper analyzes the tuning of the phase locked loops (PLLs) employed in the control of power converters when there is distortion in the AC mains. The pros and cons of different optimization approaches are studied. In a general way, PLLs with a low bandwidth (low-gain PLLs) are required when handling with distorted. This paper proves that the tuning of low-gain PLLs have more than one trade-off...
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