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A Capacitor-Less CMOS Active Feedback Low-Dropout Regulator With Slew-Rate Enhancement for Portable On-Chip Application

Authors Ho, Edward N.Y.
Mok, Philip K.T. View this author's profile
Issue Date 2010
Source IEEE TRANSACTIONS on Circuits and SYSTEMS ii-express Briefs , v. 57, (2), 2010, FEB, p. 80-84
Summary A low-dropout regulator for on-chip application with active feedback and a slew-rate enhancement circuit to minimize compensation capacitance and speed up transient response is presented in this brief. The idea has been modeled and experimentally verified in a standard 0.35-mu m CMOS process. The total compensation capacitance is 7 pF. From experimental results, the implemented regulator can operate from a supply voltage of 1.8-4.5 V with a minimum dropout voltage of 0.2 V at a maximum 100-mA load and I-Q of 20 mu A.
ISSN 1549-7747
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Language English
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