Controlling the power factor of a step-dimmable CFL
Triac/transistor wall dimmers are the most common method for dimming CFL bulbs. But there are better alternatives for buildings where these are not already installed. Smart lighting networks are one example, but bulbs for these are still quite expensive and installing a network with multiple lamps is not easy. A simple, cost effective solution is the ‘step dimmable’ lamp, which uses the existing mains wall switch to set a dimming level. The UBA2026 IC delivers a practical and easy solution for CFL step dimming. It is the first integrated step dimmable CFL controller that does not need additional external dimming circuitry.
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