The following are five tips you should keep in mind when you selecting a constant current led driver in your led project.

1) What is the input voltage range of the driver you will use – US domestic only use 120Vac, the worldwide usage is 100 ~ 264Vac or 277Vac option for installing in a commercial building?

2) Output current level – three standard current options are 350mA, 700mA and 1000mA. However, depending on the LEDs in use, the constant current LED driver might need to output in a different current level to the system.

3) Output voltage swing-range – Since the output current needs to stay constant, the power supply varies the output voltage to deliver different power level. The high side of the voltage swing range indicates the maximum output power the constant current LED power supply can generate. This also determines how many LEDs you can connect to one power supply.

4) Power efficiency – the Triac Dimmable Constant Current LED Driver tends to utilize mature technology and usually has a higher power efficiency number (90%), compared to the constant voltage source number (85%).

5) Environment factors – operation temperature, wet location or not, etc…

If you want to know more detail,please visit our website: http://www.smarts-electronics.com/ and http://www.smartselectronics.com/
Or contact with Mr. Steven(skype: steven821228 mail: steven@smartselectronic.com.cn).