This is a reference design for an LED display-backlight driver. The design uses a boost power supply with adaptive feedback for efficiency and linear current sinks for a high dimming ratio (2000:1).

This article describes a design example report of a 7 W dim-to-warm buck-boost LED driver utilizing the LYTSwitch-7 family of devices. It has an input range of 100 VAC to 132 VAC and an output current ...

Most small-size color LCD displays today use white LEDs for backlighting. These systems usually involve handheld devices with an LED drive circuit powered by a battery whose output voltage varies over ...

For the PDF version of this article, click here. High-power LEDs promise a growing number of advantages, including lower long-term cost and longer life, over both incandescent light bulbs for interior ...