An LED driver is a self contained power supply which regulates the power required for an LED or array of LEDs. The light emitting diodes are low energy, lighting devices with a long lifespan and low energy consumption, hence the requirement for specialized power supplies.
An LED light driver is somewhat like cruise control in a car, the power level required changes throughout the LED’s temperature increases and decreases. Without the correct LED light driver the LEDs would become too hot and unstable resulting in failure and bad performance. To ensure the LEDs function perfectly the self contained LED driver is required to supply a maintained constant amount of power to the LED.