Product Overview: LT3494AEDDB#TRPBF

The LT3494AEDDB#TRPBF is a high-performance, adjustable frequency, step-up DC/DC converter from Linear Technology, designed to drive LEDs with a constant current. This component is specifically engineered to cater to the needs of portable and compact devices that require efficient power management for LED applications.

Key Features

• Wide Input Voltage Range: The device operates from an input voltage range of 2.5V to 16V, making it versatile for single-cell Li-Ion, multi-cell alkaline, or NiMH applications, as well as 12V intermediate bus systems.
• Adjustable Switching Frequency: It offers an adjustable switching frequency from 1.2MHz to 2.2MHz, allowing designers to optimize efficiency while minimizing external component sizes.
• True Color PWM Dimming: The LT3494AEDDB#TRPBF delivers constant LED current for uniform brightness and supports True Color PWM dimming, which provides a wide range of brightness levels.
• Integrated Power Switch: It includes an integrated 2.3A, 36V power switch, providing a compact solution with minimal external components.
• Stable with Ceramic Capacitors: Stability with low ESR ceramic output capacitors offers improved performance and reliability.
• Robust Protection Features: The device includes open LED protection, short-circuit protection, and thermal protection to ensure long-term reliability under various fault conditions.
• Compact Package: The LT3494AEDDB#TRPBF comes in a small 10-lead (3mm x 3mm) DFN package, ideal for space-constrained applications.

Applications

The LT3494AEDDB#TRPBF is suitable for a wide range of applications, including:

• Portable and handheld devices
• LED backlighting for LCD displays
• Photographic and video lighting
• Automotive and avionic lighting
• General purpose LED illumination

With its ability to provide a stable, constant current source for LEDs, coupled with its small footprint and robust feature set, the LT3494AEDDB#TRPBF is an excellent choice for designers looking to enhance the performance and efficiency of their LED-driven devices.