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Optimizing Transient Response of Internally Compensated DC-DC Converters

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This application report describes how to choose the feedforward capacitor value (Cff) of internally compensated DC-DC power supplies to achieve optimum transient response. The described procedure in this application report provides guidance in optimizing transient response by increasing converter bandwidth while retaining acceptable phase margin. This document is intended for all power designers who want to optimize the transient response of a working, internally compensated DC-DC converter.