High-Efficiency Charge-Pump Circuits with Large Current Output for Mobile Equipment Applications

  title={High-Efficiency Charge-Pump Circuits with Large Current Output for Mobile Equipment Applications},
  author={T. Myono and A. Uemoto and Shuhei Kawai and E. Nishibe and S. Kikuchi and T. Iijima and Haruo Kobayashi},
This paper presents improved versions of threestage positive-output and two-stage negative-output Dickson charge-pump circuits which are intended to replace switching regulators in video-product CCD driver applications (where 12V and −6.5V are needed), and are designed and fabricated in a custom CMOS process. From a power supply Vdd of 4.0 to 5.5V, the positive charge pump generates a positive output voltage of greater than 3.9Vdd , while the negative charge pump generates a negative voltage of… CONTINUE READING


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