Product Overview: LT3518HFE#TRPBF from Analog Devices Inc.

The LT3518HFE#TRPBF is a highly versatile and robust integrated circuit designed by Analog Devices Inc., a leader in the manufacture of high-performance analog integrated circuits and embedded processors. This particular component is a full-featured LED driver with an internal switch, which makes it an ideal solution for driving high current LEDs with constant current for consistent brightness and extended LED life.

Key Features

• Wide Input Voltage Range: The device operates from an input voltage range of 3V to 30V, making it suitable for a variety of applications, from automotive and industrial to portable lighting solutions.
• Internal 2.3A Switch: The LT3518HFE#TRPBF comes with an internal 2.3A, 45V switch, providing the ability to drive up to eight 350mA white LEDs from a 12V input, or seven 500mA white LEDs from a 24V input in series, which is ideal for high power applications.
• Adjustable Frequency: Users can adjust the switching frequency from 330kHz to 2.2MHz, allowing for flexibility in design and the use of smaller components that can reduce the overall solution footprint and cost.
• PWM Dimming: It offers a wide range dimming ratio, with PWM dimming that allows for precise control over LED brightness.

Applications

The LT3518HFE#TRPBF is suitable for a wide range of applications due to its flexible design and powerful features. It is commonly used in:

• Automotive and Avionic Lighting
• Industrial Displays
• Architectural Detail Lighting
• General Purpose LED Illumination

Package and Quality

This device is offered in a 16-lead thermally enhanced TSSOP package, designated by the HFE suffix, which provides improved thermal performance essential for high power LED driving. The #TRPBF suffix indicates that the product is provided in tape and reel packaging, suitable for automated manufacturing processes, and is lead-free and RoHS compliant, ensuring environmental safety and global compatibility.

The LT3518HFE#TRPBF exemplifies Analog Devices Inc.'s commitment to providing innovative, high-performance solutions for LED driving applications, combining efficiency, versatility, and reliability in a compact form factor.