Chien-Pin Hsu

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Accurate analytical models of the output voltage and the power efficiency of voltage doublers and PMOS charge pumps are derived using dynamic charge transfer waveforms and charge balance methods, respectively. Since the on-resistance of switching devices and the parasitic capacitance can be estimated precisely, the proposed models are more accurate than the(More)
In this paper, the compact model of power efficiency for four-phase negative charge pumps is derived. By including parasitic effects in the pump, discrepancies between the model and the post-layout simulated results are within 6%. The proposed four-phase negative charge pump was fabricated by a 0.25 mum flash memory technology. Due to the special body(More)
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