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Many charge pump structures that overcome gate-oxide overstress have been proposed in the last few years. Though they differ in the number of phases and in efficiency, they have almost the same current driver capability. A new charge pump without gate-oxide overstress, with a better current driver capability is proposed here. The new circuit is derived from a two-phase charge pump in order to inherit...
In the last years the gate-oxide overstress has become a great concern for CMOS circuits and even more so for circuits such as charge pumps. A new charge pump circuit that overcomes the gate-oxide overstress problem and has improved efficiency is proposed in this work. Simulations have shown that for 1??A current load a four-stage structure of proposed circuit reaches efficiency of about 64%, what...
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