A switching regulator circuit (315, 415) to supply a current at a regulated voltage to an output node (V OUT) couplable to a load, the switching regulator circuit (315, 415) comprising: a power stage circuit configured to supply the current to the output node (V OUT), the power stage circuit including an inductor and a switch circuit and coupled between an input node (V IN) and the output node (V OUT); an error amplifier circuit, configured to operate as a transconductance amplifier and configured to receive a representation of an output node voltage (V OUT) and generate a current control signal to maintain the output node (V OUT) at the regulated voltage by controlling an inductor current (I L1); a compensation network coupled to an output node of the error amplifier circuit, the compensation network including at least one resistor and at least one capacitor, the at least one resistor electrically coupled to the output node of the error amplifier circuit and a control node, the at least one capacitor electrically coupled to the control node and a ground of the compensation network; and a control circuit configured to receive the current control signal and control the inductor current (I L1) using the current control signal; characterised by a unidirectional clamp circuit coupled to the control node, the unidirectional clamp circuit configured to permit a voltage (V CAP) at the control node to move when the voltage (V CAP) at the control node is higher than a reference voltage (V CLAMP) and clamp the voltage (V CAP) at the control node to the reference voltage (V CLAMP) in response to the error amplifier circuit attempting to move the voltage (V CAP) at the control node lower than the reference voltage (V CLAMP). a power stage circuit configured to supply the current to the output node (V OUT), the power stage circuit including an inductor and a switch circuit and coupled between an input node (V IN) and the output node (V OUT); an error amplifier circuit, configured to operate as a transconductance amplifier and configured to receive a representation of an output node voltage (V OUT) and generate a current control signal to maintain the output node (V OUT) at the regulated voltage by controlling an inductor current (I L1); a compensation network coupled to an output node of the error amplifier circuit, the compensation network including at least one resistor and at least one capacitor, the at least one resistor electrically coupled to the output node of the error amplifier circuit and a control node, the at least one capacitor electrically coupled to the control node and a ground of the compensation network; and a control circuit configured to receive the current control signal and control the inductor current (I L1) using the current control signal; characterised by a unidirectional clamp circuit coupled to the control node, the unidirectional clamp circuit configured to permit a voltage (V CAP) at the control node to move when the voltage (V CAP) at the control node is higher than a reference voltage (V CLAMP) and clamp the voltage (V CAP) at the control node to the reference voltage (V CLAMP) in response to the error amplifier circuit attempting to move the voltage (V CAP) at the control node lower than the reference voltage (V CLAMP).