Y. Jang, Seong-Eun Cho, Byungsub Kim, J. Sim, Hong-June Park
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A low-power LDO circuit with a fast load regulation
By adding a Miller frequency compensation to the conventional LDO circuit that combines the super source follower and the voltage spike detection, a low-power LDO circuit is proposed to drive the load capacitance up to 10 pF with a fast load regulation. The LDO circuit converts a 5 V input to a 3.3V output, consumes 26 μA, and settles in 75 ns at a 10 mA load current step in 1ns.