The LT3514IFE#PBF is a high-performance, multi-feature, monolithic integrated circuit designed by Linear Technology, now part of Analog Devices. This robust component is a quad-channel LED driver that has been engineered to provide a compact and efficient solution for automotive and industrial lighting applications. The LT3514IFE#PBF is particularly well-suited for driving high-brightness LEDs, thanks to its wide input voltage range and integrated 45V, 2.1A switches.

Key Features

• Wide Input Voltage Range: Capable of operating from an input voltage range of 4.5V to 36V, making it versatile for use in various applications, including those with fluctuating power supplies.
• Quad Channel Output: Each of the four channels can drive up to eight 350mA LEDs in series, providing high flexibility for complex lighting designs.
• Integrated 45V / 2.1A Switches: The internal switches can handle high power levels, which reduces the need for external components and simplifies design.
• Adjustable Frequency: The switching frequency is adjustable from 330kHz to 2.1MHz, allowing designers to optimize the driver for efficiency or to avoid critical noise-sensitive frequency bands.
• Thermal Protection: The device includes thermal shutdown protection to safeguard against overheating and improve reliability.
• PWM Dimming: Offers PWM dimming capability, which provides precise control over LED brightness and helps to reduce power consumption when full brightness is not required.

Applications

• Automotive lighting systems
• Industrial lighting
• LED backlighting
• General-purpose LED illumination

The LT3514IFE#PBF is available in a 28-lead TSSOP package with an exposed pad for enhanced thermal performance. Its robust design ensures reliable operation in harsh environments, making it an ideal choice for designers seeking a high-quality, long-lasting LED driver solution. With its combination of features and performance, the LT3514IFE#PBF is a standout product for sophisticated LED driving applications.