LT3590 (4)

The LT3590 is available from Analog Devices at Xecor. Designed for driving up to 10 LEDs in series from a 48V DC source, the LT3590 offers high efficiency (up to 91%), a wide input voltage range (4.5V to 55V), and PWM dimming capabilities. Available in multiple package options, including 8-Lead SC70 and 6-Lead 2mm × 2mm DFN, it is ideal for LED fixed signage, traffic signs, and neon sign replacement applications. Whether used in commercial signage or industrial lighting systems, this series ensures stable operation, uniform brightness, and low power consumption for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the LT3590 series below.

Part Number Description Package Inventory Add To Bom
LT3590ESC8#TRPBF Ergonomic design for smooth power supply management SC-8 2,342
LT3590EDC#TRPBF A reliable and efficient power converter for low-voltage LED lighting in compact DFN package DFN-6 8,697
LT3590ESC8#TRMPBF High-efficiency LED driver for modern lighting applications VFSOP-8 4,223
LT3590EDC#TRMPBF DC DC Regulator DFN-6 5,172

Key Featrues

Wide Input Voltage Range (4.5V to 55V): This feature allows the LT3590 to operate efficiently across a broad range of input voltages, making it versatile for various applications, including LED signage and traffic signs, without requiring additional voltage regulation components.
High Efficiency (Up to 91%): With an efficiency of up to 91% when driving 10 LEDs at 50mA, the LT3590 minimizes power loss, reducing heat generation and improving overall system reliability and energy savings.
PWM Dimming and Shutdown Control: The CTRL input enables precise PWM dimming and shutdown functionality, allowing for dynamic brightness control and power-saving modes, which are essential for applications like neon sign replacements and adaptive traffic signs.
Compact Package Options (SC70 and 2mm × 2mm DFN): The availability of small form factor packages (8-Lead SC70 and 6-Lead DFN) makes the LT3590 ideal for space-constrained designs, enabling integration into compact LED signage and portable lighting systems.
Internal Schottky Diode and Low Operating Current: The inclusion of an internal Schottky diode reduces external component count, while the low operating current (500µA when not switching) and shutdown current (15µA) enhance power efficiency, particularly in battery-powered or energy-sensitive applications.

Applications

LED Signage Driver: The LT3590 is ideal for driving LED fixed signage and neon sign replacements. Its ability to handle up to 10 LEDs in series with uniform current ensures consistent brightness and eliminates the need for ballast resistors, making it perfect for high-visibility signage in commercial and public spaces.
Traffic Signal Controller: The LT3590 is well-suited for traffic signs and signal systems. With its wide input voltage range (4.5V to 55V) and high efficiency (91% at 50mA), it ensures reliable operation in outdoor environments, even under varying power conditions, making it a robust choice for traffic management applications.
Industrial Lighting System: The LT3590 is perfect for industrial lighting systems requiring precise current control. Its PWM dimming capability and high switching frequency (850kHz) allow for smooth and efficient brightness adjustment, making it ideal for factory lighting, warehouse illumination, and other industrial applications.
Automotive LED Lighting: The LT3590 is an excellent choice for automotive LED lighting, such as interior cabin lights or dashboard indicators. Its ability to operate in a wide temperature range (-40°C to 85°C) and its compact 6-DFN (2x2) package make it suitable for space-constrained and temperature-sensitive automotive environments.