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 ...

The electronic ballast circuit block diagram (see Fig. 1) includes the ac-line input voltage (typically 220 Vac/50 Hz or 120 Vac/60 Hz), an EMI filter to block circuit generated switching noise, a ...

For decades, and continuing today, the fluorescent lamp has been the cheapest way to produce white light with the minimum amount of energy taken from the mains (lumens/watt). As such, hundreds of ...

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 ...

Power management specialist International Rectifier has introduced the Mini8, a compact fluorescent lamp ballast control IC that offers full programmability, accuracy and control for all lamp types.