Regulator circuit and semiconductor memory apparatus having the same

A regulator circuit including an output driver, the output driver comprising:

• an output unit configured to receive a pumping voltage and generate an output voltage according to a switching signal;
• and
• a control unit configured to control a level of the switching signal based on a level of the output voltage,
• wherein the output unit comprises a feedback discharge unit, the feedback discharge unit is driven in response to a control voltage and configured to control the level of the switching signal.

A semiconductor apparatus comprising:

• a memory circuit;
• a controller configured to control the memory circuit;
• and
• a voltage supply unit configured to provide an output voltage to the memory circuit according to control of the controller,
• wherein the voltage supply unit includes a regulator circuit, the regulator circuit comprises:
• a comparison unit configured to compare a reference voltage with a feedback voltage and generate a first switching signal;
• a current supply unit configured to receive a pumping voltage, and determine a level of a second switching signal in response to the first switching signal;
• an output driver configured to control the level of the second switching signal in response to the output voltage, receive the pumping voltage, and generate the output voltage in response to the second switching signal;
• and
• a feedback signal generation unit configured to detect a level of the output voltage and generate the feedback voltage.