The quest for energy efficiency has led manufacturers to investigate ways of dimming all kinds of lighting technologies, including those that usually can’t be dimmed. Consider, for example, ...

Robust switching performance for AC line based LED dimmer applications: The Littelfuse Q6008LH1LED and Q6012LH1LED Series of AlternistorTriac and Q6008LTH1LED and Q6012LTH1LED Series of QUADRAC ...

Despite the Republican party’s best, yet misguided efforts, incandescent bulbs are on their way out. Energy-efficient lighting like CFLs and LEDs are fast becoming the norm, and it was only a matter ...

Frank Hertel’s project: three individually dimmable LED lights. (Frank is the master of recycling; the wooden mounting pedestals are the panels from a decommissioned ATI console!) Thanks for your ...

I was searching for a LED driver that can also act as dimmer for my 10 watts LEDs and found the PT4115 IC which is kind of interesting. It operates from an input supply between 6V and 30V and provides ...

National Semiconductor has introduced a mains LED driver, claiming it to have “the industry’s best phase-based dimming performance”. The chip, dubbed LM3450, includes active power factor correction ...

Lots of modern phones use pulse width modulation, or PWM, to manage brightness. But what is PWM, why is it harmful, and what ...

There's a lot to like about this low-cost LED light bulb -- but how good is it on dimmer switches? Ry Crist Former Senior Editor / Reviews - Labs Originally hailing from Troy, Ohio, Ry Crist is a ...

Find a downloadable version of this story in pdf format at the end of the story. EXPONENTIAL GROWTH of LED lighting has ushered in a vast selection of integrated circuit devices to provide controlled ...