Dimming fluorescent lamps is an attractive feature that provides mood and brightness effects as well as having tremendous energy savings potential. Designing a dimmable electronic ballast, however, is ...

Fluorescent dimming systems can satisfy visual comfort, and reduce utility costs through daylight harvesting, demand reduction, scheduled dimming, and other strategies. A dimming electronic ballast is ...

Fluorescent ballast topology usually includes line conditioning for CE and UL compliance, a power factor correction block including a boost converter to 380 V for universal input applications and a ...

International Rectifier has two new control ICs for dimming compact and tube-type fluorescents. Most designers won’t ever see them, though, because they go into the bases of compact bulbs or into ...

General Electric Lighting introduced a dimmable compact fluorescent bulb on Thursday that mimics the performance of old incandescent bulbs. The bulb, with a re-engineered ballast, can be dimmed ...

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 ...

In any dimming system, the ballasts and controllers must be able to speak the same language. In the case of digital dimming systems, this language is either proprietary — unique to a particular ...

International Rectifier, IR® (NYSE: IRF), a world leader in power management technology, has announced the 600V IR21592 and IR21593 dimming ballast ICs, each featuring a phase control loop and ...