CPC G05F 1/595 (2013.01) [G05F 1/575 (2013.01); H03K 19/017509 (2013.01)] | 20 Claims |
1. A circuit, comprising:
a voltage divider circuit configured to generate a feedback voltage according to an output voltage;
an operational amplifier configured to output a driving signal according to the feedback voltage and a reference voltage;
a pass gate circuit comprising a plurality of current paths, the plurality of current paths being controlled by the driving signal and connected in parallel between the voltage divider circuit and a power reference node, wherein the pass gate circuit is configured to operate in a plurality of modes; and
a logic circuit configured to determine one of the plurality of modes as a selected mode according to a plurality of enable signals respectively received from a plurality of output enable pins.
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