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Solutions Search - Offline LED Drivers

Universal Input TRIAC Dimmable 4W LED Driver

Feb 4th 2011
The LT3799 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 ...

Circuit 

 

LT3799 TRIAC Dimmable 20W Offline LED Driver

Feb 4th 2011
This circuit shows a complete LED driver solution. The LT3799 senses the output current from the primary side switch current waveform. The IC regulates the output current by adjusting the peak switch current and the duty cycle through a novel feedback control. Unlike other primary side sensing methods that need to know input ...

Circuit LTspice 

 

Universal Input TRIAC Dimmable 14W LED Driver

Feb 4th 2011
The LT3799 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 ...

Circuit