LED DRIVER, LIGHTING DEVICE, LED BASED LIGHTING APPLICATION AND METHOD OF CONTROLLING AN LED DRIVER

摘要

An LED driver for powering an LED fixture is described, the LED driver comprising- a power converter for converting an input power such as a rectified mains supply to an output power for powering the LED fixture;- a control unit arranged to control an output characteristic of the power converter;- an application terminal connected to the control unit for connecting the control unit to a lighting device; the control unit being arranged to:- provide a polling signal to the lighting device;- receive, in response to the polling signal, a first control signal for controlling the output characteristic.