An arrangement comprising a single array of light emitting diodes and a driver apparatus (120, 220, 320, 420, 520, 620) for driving the single array 170' of light emitting diodes, wherein the single array of light emitting diodes comprises either a single light emitting diode or two or more light emitting diodes connected in series, wherein two or more separate output currents of the driver apparatus (120, 220, 320, 420, 520, 620) are coupled to the single array of light emitting diodes such that their sum is arranged to drive the single array of light emitting diodes, the driver apparatus (120, 220, 320, 420, 520, 620) comprising: one or more power source portions (240-1, 240-2, 240-n) for providing two or more driving currents (245-1, 245-2, 245-n) as the respective two or more separate output currents of the driver apparatus (120, 220, 320, 420, 520, 620), and a control portion for issuing two or more control signals (235-1, 235-2, 235-n) for controlling the provision of the two or more driving currents (245-1, 245-2, 245-n), each control signal exhibiting a respective duty cycle at a first cycle frequency, wherein the control portion is configured to issue the two or more control signals (235-1, 235-2, 235-n) as synchronized control signals in predetermined time offsets with respect to each other for provision of the two or more respective driving currents (245-1, 245-2, 245-n) in different phases, and wherein the control portion is configured to receive a single command or request indicative of a requested light intensity level to be provided by the sum of the two or more driving currents (245-1, 245-2, 245-n), derive a duty cycle corresponding to the requested light intensity level by using a predefined mapping function, set the respective duty cycles for the two or more control signals (235-1, 235-2, 235-n) such that their sum equals to said derived duty cycle, and issue the two or more control signals (235-1, 235-2, 235-n) at the respectively set duty cycles. one or more power source portions (240-1, 240-2, 240-n) for providing two or more driving currents (245-1, 245-2, 245-n) as the respective two or more separate output currents of the driver apparatus (120, 220, 320, 420, 520, 620), and a control portion for issuing two or more control signals (235-1, 235-2, 235-n) for controlling the provision of the two or more driving currents (245-1, 245-2, 245-n), each control signal exhibiting a respective duty cycle at a first cycle frequency, wherein the control portion is configured to issue the two or more control signals (235-1, 235-2, 235-n) as synchronized control signals in predetermined time offsets with respect to each other for provision of the two or more respective driving currents (245-1, 245-2, 245-n) in different phases, and wherein the control portion is configured to receive a single command or request indicative of a requested light intensity level to be provided by the sum of the two or more driving currents (245-1, 245-2, 245-n), derive a duty cycle corresponding to the requested light intensity level by using a predefined mapping function, set the respective duty cycles for the two or more control signals (235-1, 235-2, 235-n) such that their sum equals to said derived duty cycle, and issue the two or more control signals (235-1, 235-2, 235-n) at the respectively set duty cycles. receive a single command or request indicative of a requested light intensity level to be provided by the sum of the two or more driving currents (245-1, 245-2, 245-n), derive a duty cycle corresponding to the requested light intensity level by using a predefined mapping function, set the respective duty cycles for the two or more control signals (235-1, 235-2, 235-n) such that their sum equals to said derived duty cycle, and issue the two or more control signals (235-1, 235-2, 235-n) at the respectively set duty cycles.