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 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 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 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 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).