Solutions Search - LT3799 - Offline Isolated Flyback LED Controller with Active PFC

Offline Isolated Flyback LED Controller with Active PFC

Wei Gu - Applications Engineer Sep 20th 2011
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/-1’s unique current sensing scheme delivers a well regulated current to the ...

LTspice: Using Transformers

Gabino Alonso - Strategic Marketing Engineer Aug 25th 2011
  Transformers and coupled inductors are key components in many switching regulator designs to include flyback, forward and SEPIC converters. They perform critical function in providing an isolation barrier, enabling high step-down or step-up ratios and accommodating multiple or inverting outputs. Although it is possible ...

LT3799 Offline Isolated Flyback LED Controller with Active PFC - Video Product Brief

Jeff Gruetter - Product Marketing Engineer Feb 18th 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 ...