Helpful tips 

How bright is 250 watts?

Joe Ford

How bright is 250 watts?

14,000 lumens

Do 12V LEDs need drivers?

Because LEDs require a constant DC of 12v or 24v, LED drivers are required in all LED systems (except those which are specifically developed to be controlled by mains voltage power supplies such as mains voltage tape or LED bulbs).

How many LEDs can a driver power?

So when using a 12VDC power supply and the XPG2 LEDs from above how many could we run with the 700mA FlexBlock? Your max output voltage is 36VDC (48-12) and the forward voltage of the XPG2 running at 700mA is 2.9 so by dividing 36VDC by this we see that this driver could power 12 LEDs.

Do I need LED driver?

Do LEDs Need a Driver? Most LEDs require a driver, a few are designed to run on AC current. While the LED bulbs you screw into a fixture may not look like they have one, they actually have an internal driver just like screw-in CFLs have an integral ballast.

How does a dimmable LED driver work?

Dimming is done through the driver by either shortening the amount of leading current going through it, or by a method called pulse width modulation (PWM). Most drivers that offer dimming use PWM, which allows dimming without flickering and with usually very little color change in the LEDs.

How do you connect a dimmable LED driver?

A dimmable driver installs almost identically to a non dimmable power supply. On the DC (output) side, you’ll connect the positive and negative wires to the LED Light Strip (or other low voltage lighting product). On the AC (input) side, you’ll connect the neutral and ground wires directly to the power source.

Are constant voltage LED drivers dimmable?

Typically LED downlights require a constant voltage type dimmable LED driver, but this is not always the case. Constant voltage LED light fittings will most commonly need a 12V dimmable LED driver, or 24V dimmable LED driver. Though there are other light fittings that call for other voltages to be used.