Digital PWM controller with feed-forward compensation

  title={Digital PWM controller with feed-forward compensation},
  author={Ahmad Syed and Essam Ahmed and Dragan Maksimovic},
  journal={Nineteenth Annual IEEE Applied Power Electronics Conference and Exposition, 2004. APEC '04.},
  pages={60-66 Vol.1}
This paper describes a complete digital PWM controller IC with feed-forward compensation of the input voltage. The feed-forward compensation is accomplished through a delay-line digital pulse-width modulator (DPWM) where the cell delay is made inversely proportional to the input voltage. The complete digital controller IC with the feed-forward DPWM operating at 1 MHz switching frequency can be used in a range of DC-DC applications. In particular, with low power consumption, small silicon area… CONTINUE READING
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