In various embodiments, an apparatus for driving a load is disclosed. In one example, the apparatus comprises an input configured to, in a first state, receive an input signal, an output configured to, in the first state, provide a first output signal to a series arrangement of the load and a source, wherein the first output signal is configured to feed the load and to charge the source with input power provided via the input signal, and a converter configured to, in a second state different from the first state, convert a source signal from the source into a second output signal destined for the load, wherein the second output signal is configured to feed the load with source power provided by the source.