A load control device for controlling an amount of power delivered to an electrical load, the load control device comprising a load regulation circuit configured to control a magnitude of a load current conducted through the electrical load to control the amount of power delivered to the electrical load, the load regulation circuit comprising an inverter circuit characterized by an operating period, a duty cycle, and an on time; and a control circuit coupled to the load regulation circuit and configured to control an average magnitude of the load current, the control circuit configured to operate in a normal mode and a burst mode, the burst mode comprising an active state during an active state period of a burst mode period and an inactive state during an inactive state period of the burst mode period; wherein, during the normal mode, the control circuit is configured to regulate the average magnitude of the load current towards a target load current by adjusting the on time of the inverter circuit; and wherein, during the burst mode, the control circuit is configured to regulate the average magnitude of the load current towards the target load current by adjusting a length of the active state period and a length of the inactive state period; the load control device being characterised in that during the burst mode, the control circuit is further configured to adjust the operating period of the inverter circuit to an adjusted low-end operating period by decreasing the operating period of the inverter circuit by a predetermined amount, while holding the duty cycle of the inverter circuit constant, until the on time of the inverter circuit is less than or equal to a predetermined minimum on time. a load regulation circuit configured to control a magnitude of a load current conducted through the electrical load to control the amount of power delivered to the electrical load, the load regulation circuit comprising an inverter circuit characterized by an operating period, a duty cycle, and an on time; and a control circuit coupled to the load regulation circuit and configured to control an average magnitude of the load current, the control circuit configured to operate in a normal mode and a burst mode, the burst mode comprising an active state during an active state period of a burst mode period and an inactive state during an inactive state period of the burst mode period; wherein, during the normal mode, the control circuit is configured to regulate the average magnitude of the load current towards a target load current by adjusting the on time of the inverter circuit; and wherein, during the burst mode, the control circuit is configured to regulate the average magnitude of the load current towards the target load current by adjusting a length of the active state period and a length of the inactive state period; the load control device being characterised in that during the burst mode, the control circuit is further configured to adjust the operating period of the inverter circuit to an adjusted low-end operating period by decreasing the operating period of the inverter circuit by a predetermined amount, while holding the duty cycle of the inverter circuit constant, until the on time of the inverter circuit is less than or equal to a predetermined minimum on time.