Constant Current vs. Constant Voltage
Constant Current vs. Constant Voltage It is possible that, if you have been buying LED lights , you have found the terms of constant current and constant voltage. It is also very possible that you have no idea what those terms mean. This publication should clarify the confusion of constant current versus constant voltage. Constant current conductors LEDs usually have a power limiting device (controller or resistors) to prevent LEDs from overloading. A constant current controller is used to regulate the amount of current supplied to an LED or LED array to maximize the life of the LED. If the current is not regulated, the brightness of the LED may fluctuate and the service life may be reduced. The constant current controller is used for LEDs or lighting fixtures that require a stable output current and operate within a range of voltages. Most finished LED products already have a constant current controller or resistors to regulate the current. If you are building an LED accessory or...

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