Differential to single-ended high bandwidth compensator

An apparatus comprising:

• a bridge including a high-side switch and a low-side switch;
• an inductor coupled to the bridge;
• a capacitor coupled to the inductor and to a load;
• and
• a compensation circuitry coupled to the capacitor, wherein the compensation circuitry is to mitigate a voltage droop on the capacitor, wherein the compensation circuitry includes a differential to single-ended circuitry coupled to an amplifier, wherein the amplifier is coupled to a capacitive circuitry which is to pre-charge an input of the amplifier, wherein the capacitive circuitry comprises a plurality of switches, wherein at least one switch of the plurality of switches is to couple an output of the amplifier, and wherein the differential to single-ended circuitry has a first input to receive the voltage of the capacitor, and a second input to receive a ground voltage sensed at the load.

A system comprising:

• a processor core;
• a voltage regulator coupled to the processor core, wherein the voltage regulator comprises:
• a bridge including a high-side switch and a low-side switch;
• an inductor coupled to the bridge;
• a capacitor coupled to the inductor and to the processor core;
• and
• a compensation circuitry coupled to the capacitor, wherein the compensation circuitry is to mitigate a voltage droop on the capacitor, wherein the compensation circuitry includes a differential to single-ended circuitry coupled to an amplifier, wherein the amplifier is coupled to a capacitive circuitry which is to pre-charge an input of the amplifier, wherein the capacitive circuitry comprises a plurality of switches, wherein at least one switch of the plurality of switches is to couple an output of the amplifier, and wherein the differential to single-ended circuitry has a first input to receive the voltage of the capacitor, and a second input to receive a ground voltage sensed at the processor core;
• and
• a wireless interface to allow the processor core to communicate with another device.

An apparatus comprising:

• one or more bridges where an individual bridge includes a high-side switch and a low-side switch;
• one or more inductors coupled to the one or more bridges;
• a capacitor coupled to the one or more inductors and to a load;
• and
• a circuitry to receive a voltage of the capacitor, or a divided version of the voltage of the capacitor, and a reference, wherein the circuitry is to generate an output which is to modify a characteristic of a modulation signal, and wherein the circuitry comprises a type-III differential to single-ended compensator which is re-configurable as a type-II compensator via a control switch.