CPC G05F 1/575 (2013.01) [G05F 1/565 (2013.01); G09G 3/3208 (2013.01); G09G 2310/0243 (2013.01); G09G 2320/0626 (2013.01); G09G 2330/021 (2013.01)] | 22 Claims |
1. A low drop-out (LDO) regulator comprising:
a power transistor configured to regulate a driving voltage based on a gate voltage of a gate node of the power transistor to provide an output voltage to a load at an output node;
an error amplifier configured to output the gate voltage by amplifying a voltage difference between a reference voltage and a feedback voltage based on the output voltage; and
a droop adjusting circuit configured to receive the output voltage provided to the load and adjust the gate voltage to compensate for a change of the output voltage based on a change of a load current provided to the load at the output node.
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