An operating device for operating at least one lighting means, in particular, an LED, wherein the operating device has: • a first converter (P 1 ) supplied directly or indirectly with mains voltage (Uin) with a first reference potential (Z 1 ), wherein the first converter (P 1 ) has a transformer with a primary winding (n 1 ) and a secondary winding (n 2 ) galvanically separated from the primary winding (n 1 ), wherein by means of the primary winding (n 1 ) and the galvanically separated secondary winding (n 2 ) a potential separation is provided, • a second converter (P 2 ) galvanically separated from the primary winding (n 1 ) of the first converter (P 1 ) and coupled to the secondary winding (n 2 ) with a second reference potential (Z 2 ), wherein the second converter (P 2 ) is designed to supply a load circuit (L) with the at least one lighting means, • a first logic circuit (C 1 ) designed to control the first converter (P 1 ), • a second logic circuit (C 2 ) designed to detect a measured value on a secondary side of the potential separation, and • a potential-separated interface (J 1 ), by means of which the first logic circuit (C 1 ) and the second logic circuit (C 2 ) are connected with one another, characterized in that • the first logic circuit (C 1 ) is designed to receive a digital command via a communications unit (EKE) and to transmit it to the second logic circuit (C 2 ) via the potential-separated interface (J 1 ), and • the second logic circuit (C 2 ) has a digital regulating circuit, which is designed to control and to clock the second converter (P 2 ) based on the measured value of the secondary side of the potential separation in such a manner that the measured value is regulated to a value corresponding to the digital command supplied to the first logic circuit (C 1 ). • a first converter (P 1 ) supplied directly or indirectly with mains voltage (Uin) with a first reference potential (Z 1 ), wherein the first converter (P 1 ) has a transformer with a primary winding (n 1 ) and a secondary winding (n 2 ) galvanically separated from the primary winding (n 1 ), wherein by means of the primary winding (n 1 ) and the galvanically separated secondary winding (n 2 ) a potential separation is provided, • a second converter (P 2 ) galvanically separated from the primary winding (n 1 ) of the first converter (P 1 ) and coupled to the secondary winding (n 2 ) with a second reference potential (Z 2 ), wherein the second converter (P 2 ) is designed to supply a load circuit (L) with the at least one lighting means, • a first logic circuit (C 1 ) designed to control the first converter (P 1 ), • a second logic circuit (C 2 ) designed to detect a measured value on a secondary side of the potential separation, and • a potential-separated interface (J 1 ), by means of which the first logic circuit (C 1 ) and the second logic circuit (C 2 ) are connected with one another, characterized in that • the first logic circuit (C 1 ) is designed to receive a digital command via a communications unit (EKE) and to transmit it to the second logic circuit (C 2 ) via the potential-separated interface (J 1 ), and • the second logic circuit (C 2 ) has a digital regulating circuit, which is designed to control and to clock the second converter (P 2 ) based on the measured value of the secondary side of the potential separation in such a manner that the measured value is regulated to a value corresponding to the digital command supplied to the first logic circuit (C 1 ). <EOS>