Constant-Voltage LED Drivers
Constant-voltage LED drivers are designed for use with LED lights that are specifically rated for constant voltage. A typical example of where a constant-voltage LED power supply is used is a parallel array of LED lights with a current-regulating resistor in the circuit. Depending on the LED circuit’s voltage requirements, you will need to choose the appropriate driver for your application. Constant-voltage drivers vary in their output specifications and are offered in 12-, 24- and 48-volt variants. The input voltage also differs from driver to driver. For constant-voltage drivers that use AC power, it is 120–277V, and for DC-type drivers, it is 12–48V.
One important note is that the modern-day constant-voltage LED driver does not only provide a designated voltage to an LED light array, but it has also been significantly expanded with the development of DMX and DALI protocols. Constant-voltage DMX and DALI drivers offer a range of enhanced features that allow you to create sophisticated color and light-dimming effects.
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