Today's design engineers are faced with new challenges when it comes to designing fluorescent or HID electronic ballast applications. In addition to the usual cost, reliability and longevity pressures ...

International Rectifier's (IR) IR2520D is a compact fluorescent lamp (CFL) ballast control IC that adapts to changing supply voltage, frequency and lamp conditions to increase lamp life and ...

These NEMA-approved ballasts provide up to 45% energy savings, according to the company. The ballasts operate one, two, three, or four T8 lamps at a universal voltage range of 108V to 305V. In ...

Resonant-mode topologies offer many benefits over traditional buck, boost, and flyback solutions. These include soft-switching, higher operating frequencies, higher power density, and higher ...

Lighting ballasts are as essential to a fluorescent lamp as an engine is to a car. In essence, they provide the power behind the light, serving as both an inhibitor to limit the flow of current and as ...

Users can easily reduce energy usage with dimmers. Dimming technology has evolved considerably over the last decade, especially in the arc discharge lamp category. What began as a device for simply ...

When the Sun is shining and illumination is needed inside a dimly lit interior space, a popular, proven, and highly efficient solution is to utilize the energy of available sunlight in the simplest ...