Every LED or light-emitting diode requires a driver. This driver is responsible for regulating the power to a LED or strings of LEDs. It converts higher voltage, alternating current to a low voltage, ...

This circuit is designed to drive the 1W LEDs that are now commonly available. Their non-linear voltage to current relationship and variation in forward voltage with temperature necessitates the use ...

Date Announced: 17 May 2005 Linear Technology announces the LTC3490, a synchronous boost DC/DC converter optimized for driving high current white LEDs. The LTC3490 operates at up to 90% efficiency, ...

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 ...