An output-capacitor-free low-dropout regulator with subthreshold slew-rate enhancement technique
Y Zeng, Y Xu, M Zeng, HZ Tan - Microelectronics Journal, 2014 - Elsevier
A low power output-capacitor-free low-dropout (LDO) regulator, with subthreshold slew-rate
enhancement technique, has been proposed and simulated using a standard 0.18 μm
CMOS process in this paper. By utilizing such a technique, proposed LDO is able to achieve
a fast transient response. Simulation results verify that the recovery time is as short as 7 μs
and the maximum undershoot and overshoot are as low as 55 mV and 30 mV, respectively.
In addition, the slew-rate enhancement circuit works in the subthreshold region at steady …
enhancement technique, has been proposed and simulated using a standard 0.18 μm
CMOS process in this paper. By utilizing such a technique, proposed LDO is able to achieve
a fast transient response. Simulation results verify that the recovery time is as short as 7 μs
and the maximum undershoot and overshoot are as low as 55 mV and 30 mV, respectively.
In addition, the slew-rate enhancement circuit works in the subthreshold region at steady …
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