Analysis of Power Efficiency for Four-Phase Positive Charge Pumps

C.-P. Hsu and H. Lin (Taiwan)


Modelling, power efficiency, body effect, threshold voltage, and charge pump


In this paper, the compact model of power efficiency for four-phase positive charge pump is derived. The model was verified by using post-layout simulation with 0.25┬Ám triple-well flash memory technology. By including parasitic effects in the pump, the discrepancies between the model and the post-layout simulation results are within 4%.

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