The LT®3799/-1 isolated LED controller with active power factor correction (PFC) is specifically designed for driving LEDs over a wide input range of 24V to 480V+. It is ideal for LED applications requiring 4W to over 100W of LED power. The LT3799/-1s unique current sensing scheme delivers a well regulated current to the secondary side with no optocoupler. The LT3799 is compatible with standard TRIAC in-wall dimmers while the LT3799-1 optimizes line regulation. It also offers low harmonic distortion while delivering efficiencies as high as 90%. Open and short LED protection ensures long term reliability and a simple, compact solution footprint addresses a wide range of applications.
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