Product Overview: LT3591EDDB#PBF

The LT3591EDDB#PBF is a high-performance, adjustable frequency, monolithic buck mode LED driver from Linear Technology. It is designed to drive high brightness LEDs with constant current for uniform intensity. The device operates from a wide input voltage range of 3V to 30V, making it suitable for applications powered by a variety of sources from single-cell Li-Ion to automotive inputs.

Key Features

• Adjustable Output Current: The LT3591EDDB#PBF allows for precise control of LED current, ensuring consistent brightness and color over a range of conditions.
• Wide Input Voltage Range: Its ability to operate from 3V to 30V provides flexibility for various power supplies and minimizes the need for additional voltage regulation components.
• High Efficiency: The device's high efficiency helps to reduce power consumption and heat generation, extending the life of the product.
• Small Footprint: Housed in a 10-lead (3mm x 3mm) DFN package, the LT3591EDDB#PBF is designed for space-constrained applications.
• Integrated Schottky Diode: The inclusion of an integrated Schottky diode simplifies the design and reduces external component count.
• Adjustable Frequency: Its switching frequency can be adjusted from 200kHz to 2MHz, allowing designers to optimize the trade-off between efficiency and external component size.

Applications

The LT3591EDDB#PBF is ideal for a variety of LED driving applications, including:

• Portable lighting
• Automotive and avionic lighting
• Display backlighting
• General illumination

Quality and Reliability

Linear Technology's commitment to high-quality and reliable products is reflected in the LT3591EDDB#PBF. The device is built with robust protections, including over-temperature protection, and is designed to meet stringent performance standards. It is an excellent choice for designers looking for a reliable and efficient solution for powering LEDs in their next project.