Abstract
In this paper, an output-capacitorless, low-dropout (LDO) regulator is designed, which consumes quiescent current. Proposed LDO regulator is realized using two amplifier for good load regulation and fast response time, which provide high gain, high bandwidth, and high slew rate. In addition, a one-shot current boosting circuit is added for current control to charge and discharge the parasitic capacitance at the pass transistor gate. As a result, response time is improved during load-current transition. The designed circuit is implemented through a CMOS process. We experimentally verify output voltage fluctuation of 260mV and recovery time of at maximum load current 200mA.
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