The present disclosure relates to a head-wearable hearing device comprising a multiple-output switched capacitor DC-DC converter. Said multiple-output switched capacitor DC-DC converter comprises a switch matrix comprising a plurality of individually controllable semiconductor switches and a plurality of flying capacitors connected between respective sets of circuit nodes of the switch matrix. A controller is connected to respective control terminals of the plurality of individually controllable semiconductor switches of the switch matrix to configure first and second converter sections to form first and second converter topologies, respectively.