An integrated circuit includes a control circuit, a first-in first-out circuit, and a serializer circuit. The control circuit generates parallel pulse-width modulation data in first parallel pulse-width modulation signals. The first-in first-out circuit stores the parallel pulse-width modulation data indicated by the first parallel pulse-width modulation signals. The first-in first-out circuit outputs the stored parallel pulse-width modulation data in second parallel pulse-width modulation signals. The serializer circuit converts the parallel pulse-width modulation data indicated by the second parallel pulse-width modulation signals to serial pulse-width modulation data in a serial pulse-width modulation signal.