A monolithic step-down SC power converter with frequency-programmable subthreshold z-domain DPWM control for ultra-low power microsystems

@article{Su2008AMS,
  title={A monolithic step-down SC power converter with frequency-programmable subthreshold z-domain DPWM control for ultra-low power microsystems},
  author={Ling Su and Dongsheng Brian Ma and A. Paul Brokaw},
  journal={ESSCIRC 2008 - 34th European Solid-State Circuits Conference},
  year={2008},
  pages={58-61}
}
This paper presents a fully integrated switched-capacitor (SC) power converter for ultra-low power microsystems. The design features an efficient step-down charge pump and a frequency-programmable digital feedback controller. The controller is designed in the subthreshold region to reduce power dissipation significantly. It employs a programmable switching frequency digital pulse-width modulation (DPWM) to maintain high efficiency under various loading scenarios, without causing random noise… CONTINUE READING
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