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Ripple reduction on skipping-based regulated two-phase voltage doubler charge pump

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4 Author(s)
Saiz-Vela, A. ; Dept. of Electron., Univ. of Barcelona, Barcelona, Spain ; Miribel, P. ; Colomer, J. ; Samitier, J.

An on-chip ripple reduction system for a regulated two-phase voltage doubler charge pump circuit is presented. Simulated results show that ripple reduction ratios up to 53% can be achieved when the designed ripple reduction solution is applied over a 5 V regulated charge pump with flying and load capacitors Cf = CL = 1 muF, switching frequency fs = 100 kHz, and load RL = 10 kOmega.

Published in:

Electronics Letters  (Volume:45 ,  Issue: 20 )