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).
The AL8821SP-13 (621-AL8821SP-13) is a boost LED driver featuring input voltage range of 5 V to 36 V. It has an internal 40 V NDMOS switches, and compatible with leading-edge dimmer and trailing edge ...
The LTC3791 is a synchronous buck-boost DC-DC LED driver and voltage controller that delivers over 100 W of LED power. It accepts inputs of 4.7 V to 60 V and provides a settable output of 0 V to 60 V.
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 ...
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