Push-pull low-dropout (ldo) voltage regulator

A push-pull Low Drop Out (LDO) voltage regulator circuit, comprising:

• a reference voltage generator configured to:
• generate a first reference voltage, wherein the first reference voltage is greater than an output voltage by a first value, and
• generate a second reference voltage, wherein the second reference voltage is less than the output voltage by the first value,
• a first comparator connected to the reference voltage generator, wherein the first comparator is configured to:
• compare the first reference voltage with an instantaneous output voltage of the push-pull LDO voltage regulator, and
• provide a first output based on comparing the first reference voltage with the instantaneous output voltage;
• a second comparator connected to the reference voltage generator, wherein the second comparator is configured to:
• compare the second reference voltage with the instantaneous output voltage of the push-pull LDO voltage regulator, and
• provide a second output based on comparing the second reference voltage with the instantaneous output voltage;
• and
• a controller connected to each of the first comparator and the second comparator, wherein the controller is configured to drive one or more bi-directional drivers of a plurality of bi-directional drivers based on the first output and second output, and wherein the plurality of bi-directional drivers provide the output voltage.

A method of providing an output voltage, the method comprising:

• comparing an instantaneous output voltage of a push-pull Low Dropout (LDO) voltage regulator with a first reference voltage;
• providing a first output based on comparing the first reference voltage with the instantaneous output voltage;
• comparing the instantaneous output voltage of the push-pull LDO voltage regulator with a second reference voltage;
• providing a second output based on comparing the instantaneous output voltage with the second reference voltage;
• and
• driving one or more bi-directional drivers of a plurality of bi-directional drivers of the push-pull LDO voltage regulator based on the first output and the second output, and wherein the plurality of bi-directional drives provide the output voltage.