Product Overview: LT3475IFE#PBF

The LT3475IFE#PBF is a highly versatile and robust integrated circuit designed by Linear Technology for driving LEDs. This exceptional device is tailored specifically for constant-current and constant-voltage applications, making it an excellent choice for a wide range of LED lighting solutions. Its compact and efficient design ensures optimal performance for both portable and stationary lighting systems.

Key Features

• Dual Independent LED Drivers: The LT3475IFE#PBF is equipped with two independent driver channels, allowing it to power multiple LED strings with precision and reliability.
• Wide Input Voltage Range: With an input voltage range of 3V to 30V, this driver is highly adaptable and can be used in various power environments, from battery-powered devices to automotive applications.
• Adjustable Switching Frequency: The device offers an adjustable switching frequency from 330kHz to 2.1MHz, enabling designers to optimize the driver for efficiency or to minimize external component size.
• True Color PWM Dimming: The LT3475IFE#PBF features True Color PWM dimming, delivering color-stable dimming over a wide brightness range, which is crucial for high-end lighting applications.
• Thermal Protection: Built-in thermal protection ensures that the device operates within safe temperature limits, enhancing the longevity and reliability of the overall lighting system.

Applications

• Automotive and Avionic Lighting
• Architectural Detail and Display Lighting
• General Purpose LED Illumination
• Portable Flashlights and Lanterns
• Industrial and Commercial Lighting Systems

The LT3475IFE#PBF is housed in a thermally enhanced TSSOP-16 package, providing excellent heat dissipation characteristics for high-power applications. Its robust design includes features such as open LED protection, short-circuit protection, and a programmable current limit, which further safeguard the LEDs and the driver circuitry from various fault conditions.

Linear Technology's commitment to high-quality and performance is embodied in the LT3475IFE#PBF, making it a reliable and efficient solution for designers looking to enhance their LED lighting applications.