производитель
![Linear](/logo/Linear.png)
Linear Technology
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DESCRIPTION
The LT®3799 is an isolated flyback controller with power factor correction specifically designed for driving LEDs. The controller operates using critical conduction mode allowing the use of a small transformer. Using a novel current sensing scheme, the controller is able to deliver a well regulated current to the secondary side without using an opto-coupler. A strong gate driver is included to drive an external high voltage MOSFET.
FEATURES
■ Isolated PFC LED Driver with Minimum Number of External Components
■ TRIAC Dimmable
■ VIN and VOUT Limited Only by External Components
■ Active Power Factor Correction (Typical PFC > 0.97)
■ Low Harmonic Content
■ No Opto-Coupler Required
■ Accurate Regulated LED Current (±5% Typical)
■ Open LED and Shorted LED Protection
■ Thermally Enhanced 16-lead MSOP Package
APPLICATIONS
■ Offline 4W to 100W+ LED Applications
■ High DC VIN LED Applications
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