The Linear Technology LT3494AEDDB is a highly integrated boost LED driver that is perfect for driving LEDs with precision and efficiency. This LED driver is designed to power a single LED or a string of LEDs with a constant current for uniform brightness. The LT3494AEDDB operates from an input voltage range of 2.5V to 16V, making it suitable for a variety of applications, from battery-powered devices to automotive and industrial lighting systems.

Key Features

• Adjustable Output Voltage: The LT3494AEDDB can provide an output voltage up to 34V, which is ideal for driving multiple LEDs in series while ensuring a consistent current flow through each LED.
• Integrated Power Switch: With an internal 350mA power switch, the device eliminates the need for an external transistor, reducing the overall component count and simplifying the design.
• High Efficiency: The device features an efficiency of up to 84%, minimizing heat generation and power loss, which is crucial for battery-operated and space-constrained applications.
• True Color PWM Dimming: The LT3494AEDDB offers a wide dimming ratio, enabling accurate brightness control through pulse-width modulation (PWM), thus ensuring true color representation.
• Compact Package: Housed in a tiny 8-lead DFN package (3mm x 3mm), the LT3494AEDDB is designed for space-constrained applications, providing a compact solution without sacrificing performance.

Applications

The versatility of the LT3494AEDDB makes it suitable for a wide range of applications. It is an ideal choice for:

• Portable lighting
• Automotive and avionic lighting
• Industrial and medical lighting
• Display backlighting

Reliability and Support

Linear Technology is known for its high-quality products and the LT3494AEDDB is no exception. It is designed to meet stringent quality standards, ensuring reliable performance in demanding environments. Additionally, comprehensive technical support and documentation are available to assist designers in integrating this LED driver into their applications.