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This paper presents a digital low-dropout regulator (DLDO) with three-level switching (TLS) and analog-assisted (AA) structure formed by dynamic-biasing asynchronous comparator, capacitive-coupling RC network and auxiliary power switch. The proposed… Click to show full abstract
This paper presents a digital low-dropout regulator (DLDO) with three-level switching (TLS) and analog-assisted (AA) structure formed by dynamic-biasing asynchronous comparator, capacitive-coupling RC network and auxiliary power switch. The proposed AA-DLDO is fabricated in a 65-nm CMOS process. The minimum load current is 18 μA. The maximum undershoot is 200 mV under load transient of 4.82-mA/1-ns. The recovery time is 8 ns. The figure-of-merit of proposed design is better than the other DLDOs by more than 14 times.
Journal Title: IEEE Access
Year Published: 2022
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