Lighting Device

The disclosure relates to a lighting device () that includes (i) a multi-LED chip (), wherein the multi-LED chip () has a plurality of LED light sources (′) as well as a plurality of regulating elements (″), wherein each LED light source (′) is assigned a regulating element (″) connected in series for regulating the current consumption of the respective LED light source (′) and together with the regulating element (″) forms a controllable string (), wherein each LED light source (′) is designed to be individually switchable; and (ii) an electrical control unit (), which has a step-down converter () with a voltage input (aVin), a feedback input (aFB) and a voltage output (aVout) and a microcontroller () with a signal input (bSin) and a signal output (bSout).