Power converters and compensation circuits thereof

A circuit comprising:

• a first compensation circuit that includes:
• a first resistor and a first capacitor connected in parallel to a first node and to a feedback node;
• a second resistor connected to the first node and to a ground node;
• a first amplifier that includes a first input connected to the first node, a second input connected to receive a reference voltage, and an output configured to provide an error signal;
• a modulator that includes a first input coupled to receive a ramp signal, a second input coupled to the output of the first amplifier to receive the error signal, and an output configured to provide a modulation signal;
• a second compensation circuit that includes:
• a capacitance multiplier circuit, wherein the capacitance multiplier circuit includes:
• a second amplifier that includes a first input connected to a third node, a second input, and an output connected to the second input;
• a fourth resistor connected to the output of the second amplifier and a fourth node;
• a fifth resistor connected to the fourth node and to the third node;
• and
• a second capacitor connected to the third node and to the ground node;
• and
• a third resistor connected to the output of the first amplifier and to the capacitance multiplier circuit at the third node, wherein the third resistor is not directly connected to the fourth node;
• and
• a switching circuit that includes an input coupled to the output of the modulator to receive the modulation signal and a set of outputs configured to couple to a power converter, wherein the feedback node is configured to couple to an output of the power converter.