Non-linear floating rail generation

A floating supply voltage generation circuit, comprising:

• a core biasing block configured to generate first and second reference voltages;
• a driver logic block coupled to the core biasing block and configured to generate a floating supply voltage based on the first and second reference voltages;
• and
• a transient biasing block coupled to the driver logic block and configured to control transitions of the floating supply voltage between voltage levels, wherein the driver logic block is configured to receive a floating ground reference signal and the transient biasing block is configured to generate a floating supply reference signal, the floating ground reference signal and floating supply reference signal being coordinated to control timing of the transitions between voltage levels.

A DC-DC converter system, comprising:

• a switching circuit configured to transfer power between an input and an output;
• and
• a floating reference generation circuit configured to provide a floating reference voltage to the switching circuit, the floating reference generation circuit comprising:
• a core biasing block configured to generate first and second reference voltages;
• a driver logic block coupled to the core biasing block and configured to generate the floating reference voltage based on the first and second reference voltages;
• and
• a transient biasing block coupled to the driver logic block and configured to control transitions of the floating reference voltage between voltage levels, wherein the driver logic block is configured to receive a complementary reference signal and the transient biasing block is configured to generate a local reference signal, the complementary reference signal and local reference signal being coordinated to control timing of the transitions between voltage levels.