The LT3405ES6 is a versatile and compact LED driver IC from Linear Technology, designed to provide a reliable and efficient power solution for driving LEDs. This high-performance device is housed in a small TSOT-23 package, making it an ideal choice for space-constrained applications where footprint is a critical consideration.

Key Features

• Adjustable Output Voltage: The LT3405ES6 allows for an adjustable output voltage up to 16V, which is suitable for driving a string of LEDs in series, ensuring consistent brightness and performance.
• High Switching Frequency: With a switching frequency of up to 2MHz, this LED driver enables the use of small external components, reducing the overall solution size and improving response times.
• Integrated Schottky Diode: The inclusion of an internal Schottky diode simplifies the circuit design and minimizes the number of external components required, leading to a more compact and cost-effective solution.
• Wide Input Voltage Range: The device operates from an input voltage range of 2.5V to 16V, accommodating a variety of power sources and making it suitable for battery-powered applications.
• High Efficiency: The LT3405ES6 offers high efficiency, which is critical for portable and battery-powered devices, helping to extend battery life and reduce thermal issues.

Applications

This LED driver is particularly well-suited for portable lighting applications, including:

• Flashlights
• Backlighting for handheld devices
• Photographic flash units
• Decorative and architectural lighting
• Emergency lighting systems

Technical Specifications

The LT3405ES6 LED driver from Linear Technology is a robust, efficient, and compact solution for a wide range of LED lighting applications, offering designers flexibility and performance in a small footprint.