The LT3519IMS#TRPBF is a robust and versatile integrated circuit designed by Linear Technology, now part of Analog Devices, for driving LEDs in a wide array of lighting applications. This high-performance chip is particularly well-suited for automotive, display backlighting, and general illumination purposes, providing a compact and efficient solution for managing LED arrays.

Key Features

• Wide Input Voltage Range: The device can operate with an input voltage range from 3V to 30V, making it suitable for a variety of power supplies and battery-operated systems.
• Internal 45V/2.3A Switch: The LT3519IMS#TRPBF comes with an internal 45V/2.3A switch, which allows it to drive up to ten white LEDs in series, ensuring consistent brightness and performance.
• Adjustable Frequency: With an adjustable frequency from 330kHz to 2.1MHz, designers can optimize the chip to work seamlessly with their specific application requirements, reducing the size of external components.
• True Color PWM™ Dimming: It features True Color PWM dimming, delivering exceptional color stability and a wide dimming ratio that enhances the user experience in display backlighting applications.
• Robust Protection Features: The LT3519IMS#TRPBF is equipped with open LED and short-circuit protection, ensuring reliable operation and a long lifespan for the end product.

Applications

Thanks to its comprehensive feature set and robustness, the LT3519IMS#TRPBF is an ideal choice for a multitude of LED driving applications, such as:

• Automotive and avionic lighting
• Industrial and architectural lighting
• LED backlighting for LCD displays
• General-purpose LED illumination

Package and Availability

The LT3519IMS#TRPBF comes in a compact 16-lead MSOP package with a thermal pad, which aids in heat dissipation during operation. This device is available in tape and reel packaging, denoted by the suffix 'TRPBF,' which is ideal for automated manufacturing processes.

Linear Technology's commitment to quality and performance is evident in the design and capabilities of the LT3519IMS#TRPBF, making it a reliable choice for designers looking to create efficient and durable LED lighting solutions.