The LT3494AEDDB#TRMPBF is a highly efficient and compact integrated circuit designed by Linear Technology, now part of Analog Devices, for portable and space-constrained applications. This product is a fixed frequency step-up DC/DC converter specifically engineered to drive LEDs with a constant current. Its small footprint and high functionality make it an ideal choice for handheld devices, medical equipment, and other applications where power efficiency and size are critical.

Key Features

• High Efficiency: The device is capable of converting power with high efficiency, which is essential for battery-powered applications to extend battery life.
• Adjustable Output Current: It provides an adjustable output current to drive a string of up to six white LEDs in series, ensuring uniform brightness and allowing for flexibility in design.
• Wide Input Voltage Range: With an input voltage range of 2.5V to 16V, the LT3494AEDDB#TRMPBF can accommodate a variety of power sources, including single-cell lithium-ion batteries.
• Small Package: The device comes in a tiny 2mm x 3mm DFN package, which is perfect for portable applications where space is at a premium.
• Integrated Schottky Diode: An integrated Schottky diode simplifies the design and minimizes the number of external components required.
• True Color PWM Dimming: The LT3494AEDDB#TRMPBF features true color PWM dimming, which allows for precise control over LED brightness with a wide dimming ratio.

Applications

• Portable Lighting
• Medical Diagnostic Equipment
• Handheld Devices
• Small LCD Backlighting
• Photographic Flash

The LT3494AEDDB#TRMPBF is a robust and versatile solution that offers a high level of performance in a miniature package. Its ability to drive LEDs with a constant current and the integrated features designed for ease of use make it a top choice for designers looking to create efficient, compact, and reliable lighting solutions.