A Delay-Locked Loop Synchronization Scheme for High-Frequency Multiphase Hysteretic DC-DC Converters

@article{Li2007ADL,
  title={A Delay-Locked Loop Synchronization Scheme for High-Frequency Multiphase Hysteretic DC-DC Converters},
  author={Pengfei Li and Lin Xue and Peter Hazucha and Tanay Karnik and Rizwan Bashirullah},
  journal={IEEE Journal of Solid-State Circuits},
  year={2007},
  volume={44},
  pages={3131-3145}
}
This paper reports a delay-locked loop (DLL) based hysteretic controller for high-frequency multiphase dc-dc buck converters. The DLL control loop employs the switching frequency of a hysteretic comparator as reference to automatically synchronize the remaining phases and eliminate the need for external synchronization. A dedicated duty cycle control loop… CONTINUE READING

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