The LT3517EFE is a high-performance LED driver integrated circuit (IC) from Linear Technology, designed to efficiently power and control light-emitting diodes (LEDs) in a wide range of lighting applications. This IC is ideal for both automotive and industrial environments, where reliable and consistent LED performance is crucial.

Key Features

• Wide Input Voltage Range: The LT3517EFE operates from an input voltage range of 3V to 30V, making it suitable for a variety of power supplies and battery configurations.
• Integrated 2.3A Switch: With an internal 2.3A, 36V switch, this driver can handle high-power LEDs with ease, ensuring a bright and stable output.
• Adjustable Frequency: The switching frequency can be adjusted from 250kHz to 2.5MHz, allowing designers to optimize the driver for efficiency or to minimize external component size.
• Dimming Capabilities: It supports both PWM and analog dimming, offering precise control over the brightness levels of the connected LEDs.

Protection Features

• Open LED Protection: The LT3517EFE automatically detects open LED conditions, preventing damage to the driver or the remaining functional LEDs.
• Short-Circuit Protection: In the event of a short circuit, the device provides robust protection, ensuring longevity and reliability.
• Thermal Protection: With built-in thermal shutdown, the driver safeguards itself and the LEDs from overheating, enhancing the product's safety and durability.

Applications

The versatility of the LT3517EFE makes it an excellent choice for a broad spectrum of LED driving applications, including:

• Automotive interior, tail, and indicator lighting
• Industrial and architectural lighting systems
• General-purpose LED backlighting
• Signage and decorative LED installations

Package Information

The LT3517EFE is packaged in a thermally enhanced 16-lead TSSOP package with exposed pad for improved thermal performance, ensuring that the device can handle high-power applications without overheating.