A switching power stage for producing an output voltage to a load, comprising: a power converter comprising: a power inductor (42, 62); a plurality of switches (31-39; 51-59) arranged to sequentially operate in a plurality of switch configurations; an output for producing the output voltage as a function of a time-varying input signal, the output comprising a first output terminal and a second output terminal, wherein a first switch (33, 53) of the plurality of switches is coupled between the power inductor (42, 62) and the first output terminal and a second switch (35, 55) of the plurality of switches is coupled between the power inductor (42, 62) and the second output terminal; and at least one of: a first capacitor (46, 66) coupled to the first output terminal and a second capacitor (48, 68) coupled to the second output terminal; and a controller (22, 24) configured to: based on a measured parameter associated with the switching power stage, select different operational modes of the power converter from a plurality of operational modes, wherein the measured parameter is an error between a signal indicative of the output voltage and an input signal, and wherein the input signal is an audio signal; and sequentially apply switch configurations from the plurality of switch configurations to selectively activate or deactivate each of the plurality of switches (31-39; 51-59) in order to transfer electrical energy from an input source of the power converter to the load in accordance with the selected operational mode. a power converter comprising: a power inductor (42, 62); a plurality of switches (31-39; 51-59) arranged to sequentially operate in a plurality of switch configurations; an output for producing the output voltage as a function of a time-varying input signal, the output comprising a first output terminal and a second output terminal, wherein a first switch (33, 53) of the plurality of switches is coupled between the power inductor (42, 62) and the first output terminal and a second switch (35, 55) of the plurality of switches is coupled between the power inductor (42, 62) and the second output terminal; and a power inductor (42, 62); a plurality of switches (31-39; 51-59) arranged to sequentially operate in a plurality of switch configurations; an output for producing the output voltage as a function of a time-varying input signal, the output comprising a first output terminal and a second output terminal, wherein a first switch (33, 53) of the plurality of switches is coupled between the power inductor (42, 62) and the first output terminal and a second switch (35, 55) of the plurality of switches is coupled between the power inductor (42, 62) and the second output terminal; and at least one of: a first capacitor (46, 66) coupled to the first output terminal and a second capacitor (48, 68) coupled to the second output terminal; and a controller (22, 24) configured to: based on a measured parameter associated with the switching power stage, select different operational modes of the power converter from a plurality of operational modes, wherein the measured parameter is an error between a signal indicative of the output voltage and an input signal, and wherein the input signal is an audio signal; and sequentially apply switch configurations from the plurality of switch configurations to selectively activate or deactivate each of the plurality of switches (31-39; 51-59) in order to transfer electrical energy from an input source of the power converter to the load in accordance with the selected operational mode.