Regulator system with voltage control

A system, comprising:

• a power supply circuit configured to output a power supply voltage;
• a first regulator circuit configured to output a first regulated voltage based on the power supply voltage;
• a second regulator circuit configured to output a second regulated voltage based on the first regulated voltage;
• a load circuit configured to receive the second regulated voltage;
• wherein the second regulator circuit is configured to send power requirement information associated with the load circuit to the power supply circuit, the first regulator circuit, or any combination thereof to adjusted a voltage level of the power supply voltage, the first regulated voltage or the any combination thereof.

A method, comprising:

• outputting, with a power supply circuit, a power supply voltage;
• outputting, with a first regulator circuit, a first regulated voltage based on the power supply voltage;
• outputting, with a second regulator circuit and to a load circuit, a second regulated voltage based on the first regulated voltage;
• and
• adjusting a voltage level of the power supply voltage, the first regulated voltage, the second regulated voltage, or any combination thereof based on power requirement information associated with the load circuit.