PROTECTED LED DRIVER CIRCUIT

The present invention relates to the field of lighting devices and to light emitting diode (LED) driver circuits, wherein a switch or a secondary side of an LED driver circuit is protected, e.g. in case of failure of the driver circuit. The present invention therefore provides an electrically isolated LED driver circuit 100, comprising a control circuit 101 at a primary side of the LED driver circuit 100, a switch 102 at a secondary side of the LED driver circuit 100, a semiconductor element and at least one capacitive element 103; wherein the control circuit 101 is configured to control the switch 102 in a cycled manner; wherein the at least one capacitive element 103 is configured to couple the primary side and the secondary side in an electrically isolated manner and wherein the semiconductor element is in particular configured to enable discharging of the at least one capacitive element 103.