The 100-277VAC input voltage is the most usually used Household voltage. The led power supply driver transformer will change the input AC voltage into the lower DC voltage to make it match with operating voltage of the LED lights have.

It will caused flickering or flashing issues if the led lamp driver used is not match with what the LED Lighting connection needed. Power supply driver also protect LEDs from the influence of voltage or current.

Too much or too little current will cause high temperature of the LED and then the led lights degrade faster.

All in all, most LED lighting applications need a driver. LED drivers have two functions for led lighting applications: to convert higher voltage, alternating current to low voltage, direct current, and to keep the voltage or current flowing through the circuit at its rated level.

More information if you would like to know Smarts Electronics’ LED Driver Power Supply, you can login http://www.smarts-electronics.com/ Or contact with Mr. Steven(skype: steven821228 mail:steven@smartselectronic.com.cn)