LT3799-1 (4)
The LT3799-1 is available from Analog Devices at Xecor. Designed for isolated flyback LED driving with active power factor correction (PFC), the LT3799-1 offers active PFC (typical PFC > 0.97), accurate regulated LED current (±5% typical), and open/short LED protection. Available in a thermally enhanced 16-Lead MSOP package, it is ideal for offline 4W to 100W+ LED applications and high DC VIN LED applications. Whether used in commercial lighting, industrial lighting, or other LED-driven systems, this series ensures efficiency, reliability, and simplified design for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the LT3799-1 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| LT3799IMSE-1#PBF | LT3799IMSE-1#PBF LED Driver: Operates with 6 Segments, requires merely 75uA Supply Current, housed in a 16-Pin MSOP EP Tube | MSOP-16 | 6,471 | |
| LT3799IMSE-1#TRPBF | Active PFC LED Controller for Offline Isolated Flyback Applications | MSOP-16 | 2,587 | |
| LT3799EMSE-1#PBF | LED Driver 6 Segment 75uA Supply Current 16-Pin MSOP EP Tube | MSOP-16 | 8,979 | |
| LT3799EMSE-1#TRPBF | LED Driver 6 Segment 75uA Supply Current 16-Pin MSOP EP T/R | MSOP-16 | 5,291 |
Key Featrues
Isolated PFC LED Driver with Minimum Number of External Components: The LT3799-1 simplifies design by minimizing the need for external components, reducing overall system complexity and cost while maintaining high performance in isolated LED driving applications.
Active Power Factor Correction (Typical PFC > 0.97): With onboard active PFC, the LT3799-1 ensures high power factor (typically > 0.97), improving energy efficiency and compliance with power quality standards, making it ideal for energy-conscious applications.
No Opto-Coupler Required: The controller eliminates the need for an opto-coupler by using a novel current sensing scheme, enhancing reliability, reducing component count, and lowering system cost while maintaining accurate LED current regulation.
Accurate Regulated LED Current (±5% Typical): The LT3799-1 delivers precise LED current regulation (±5% typical), ensuring consistent brightness and extending LED lifespan, which is critical for high-performance lighting systems.
Open LED and Shorted LED Protection: The integrated fault detection system provides protection against open and shorted LED conditions, enhancing system robustness and preventing damage to the controller and connected components.
Active Power Factor Correction (Typical PFC > 0.97): With onboard active PFC, the LT3799-1 ensures high power factor (typically > 0.97), improving energy efficiency and compliance with power quality standards, making it ideal for energy-conscious applications.
No Opto-Coupler Required: The controller eliminates the need for an opto-coupler by using a novel current sensing scheme, enhancing reliability, reducing component count, and lowering system cost while maintaining accurate LED current regulation.
Accurate Regulated LED Current (±5% Typical): The LT3799-1 delivers precise LED current regulation (±5% typical), ensuring consistent brightness and extending LED lifespan, which is critical for high-performance lighting systems.
Open LED and Shorted LED Protection: The integrated fault detection system provides protection against open and shorted LED conditions, enhancing system robustness and preventing damage to the controller and connected components.
Applications
Offline LED Driver for High-Power Applications: The LT3799-1 is ideal for driving high-power LED applications requiring 4W to 100W+ of power. Its isolated flyback topology and active power factor correction (PFC) ensure efficient and stable operation, making it suitable for industrial lighting, streetlights, and high-brightness LED systems.
High DC Voltage LED Driver: The LT3799-1 excels in high DC voltage LED applications, delivering well-regulated current without the need for an opto-coupler. Its robust design and critical conduction mode operation make it perfect for automotive, architectural, and commercial lighting systems where high input voltages are common.
Power Factor Corrected LED Lighting: The LT3799-1 is designed for LED lighting systems requiring high power factor correction (PFC > 0.97). Its ability to minimize harmonic content and ensure accurate LED current regulation makes it ideal for energy-efficient lighting solutions in residential, commercial, and industrial settings.
Compact Isolated LED Driver: The LT3799-1 is perfect for compact LED driver designs due to its minimal external component count and small transformer requirements. Its integrated fault protection and thermally enhanced package make it suitable for space-constrained applications such as downlights, track lighting, and portable lighting systems.
High DC Voltage LED Driver: The LT3799-1 excels in high DC voltage LED applications, delivering well-regulated current without the need for an opto-coupler. Its robust design and critical conduction mode operation make it perfect for automotive, architectural, and commercial lighting systems where high input voltages are common.
Power Factor Corrected LED Lighting: The LT3799-1 is designed for LED lighting systems requiring high power factor correction (PFC > 0.97). Its ability to minimize harmonic content and ensure accurate LED current regulation makes it ideal for energy-efficient lighting solutions in residential, commercial, and industrial settings.
Compact Isolated LED Driver: The LT3799-1 is perfect for compact LED driver designs due to its minimal external component count and small transformer requirements. Its integrated fault protection and thermally enhanced package make it suitable for space-constrained applications such as downlights, track lighting, and portable lighting systems.
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