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This brief proposes an explicit Dickson charge pump model, including the effect of the resistance of switching devices on the pump performance. Using this model, one can estimate an optimum clock frequency and the size of the transferring transistors in terms of the main pump capacitors, the auxiliary capacitors, and the transfer transistors to maximize the output current under the same silicon area in a given technology.
Circuits and Systems II: Express Briefs, IEEE Transactions on (Volume:58 , Issue: 6 )
Date of Publication: June 2011