4/15/2023 0 Comments Flashlight driver schematic![]() Instead, they use specialized dimming controllers, often demanding additional analog or digital dimming control cables.Fluorescent and HID lamps are both types of arc discharge lamp. Dropping past that point risks experiencing noticeable color change and instability in their plasma arc.To further complicate matters, most dimmable fluorescent and all HID systems are incompatible with standard triac-based phase dimmers. But even with electronic ballasts, HID (high-intensity discharge) lamps cannot be dimmed to much more than half of their maximum light output. With relatively expensive dimmable electronic ballasts, fluorescent lamps can be dimmed to below 5% of maximum light output. Consider, for example, fluorescent lamps. ResourcesInternational Rectifier,The quest for energy efficiency has led manufacturers to investigate ways of dimming all kinds of lighting technologies, including those that usually can’t be dimmed.
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