Product Overview: LT3476EUHF#TRPBF

The LT3476EUHF#TRPBF is a high-performance, quad-output, current mode, step-down LED driver designed by Linear Technology to cater to a wide range of illumination applications. This integrated circuit is specifically engineered to drive multiple LED strings with high efficiency and accuracy, making it an ideal choice for automotive, display backlighting, and general lighting applications.

Key Features

• Wide Input Voltage Range: The device can operate from an input voltage range of 4.5V to 36V, making it versatile for use in various systems with different power supply requirements.
• Quad Output Channels: It features four independent LED driver channels, each capable of providing up to 1.5A of continuous output current, which allows for the management of multiple LED strings with a single IC.
• Adjustable Frequency: The LT3476EUHF#TRPBF offers an adjustable switching frequency from 200kHz to 2MHz, enabling designers to optimize the performance of their application and reduce external component size.
• True Color PWM Dimming: With True Color PWM Dimming, it delivers constant LED color with deep dimming capability, enhancing the visual experience and providing energy savings.
• Robust Thermal Performance: Housed in a 5mm x 7mm QFN package, the device ensures excellent thermal performance and a compact footprint for space-constrained applications.
• Protection Features: It includes a variety of protection features such as open LED protection, short-circuit protection, and thermal shutdown, ensuring reliable operation under adverse conditions.

Applications

The versatility of the LT3476EUHF#TRPBF makes it suitable for a broad range of applications. It is commonly used in:

• Automotive and Avionic Lighting
• LED Backlighting for LCD Displays
• General Purpose Multichannel LED Illumination
• Signage and Decorative LED Lighting

With its robust design and advanced features, the LT3476EUHF#TRPBF from Linear Technology stands out as a reliable and efficient solution for driving high-brightness LEDs in complex lighting systems.