Overview of the LT3494AEDDB#PBF

The LT3494AEDDB#PBF is a high-performance, adjustable frequency, monolithic step-up DC/DC converter designed by Linear Technology for small footprint and high-efficiency applications. This product is specifically engineered to drive LEDs with a constant current for uniform brightness, making it an ideal choice for portable lighting applications and LED backlighting.

Key Features

• Adjustable Output Voltage: This feature allows the user to set the output voltage as required for the application, providing flexibility and precision for various LED configurations and battery voltages.
• High Efficiency: The LT3494AEDDB#PBF is optimized to provide high efficiency, which is critical for battery-powered devices, helping to extend battery life and reduce heat generation.
• Internal 36V/0.5A Switch: The integrated switch can handle up to 36V and 0.5A, enabling the device to power a string of multiple LEDs in series, ensuring consistent current and brightness across the LEDs.
• True Color PWM Dimming: This product offers a wide dimming ratio, which allows for accurate control over LED brightness using pulse-width modulation (PWM), enhancing the user experience with the ability to adjust lighting conditions.

Applications

The LT3494AEDDB#PBF is versatile and can be used in a variety of applications, including:

• LED Backlighting for LCD displays
• Portable Lighting
• General Purpose Constant Current Source

Package and Quality

The device comes in a small 8-lead DFN package with a low thermal resistance, making it suitable for compact designs where space is at a premium. The LT3494AEDDB#PBF is also RoHS compliant, ensuring that it meets current environmental standards and regulations for electronic components.

Conclusion

With its combination of features, including adjustable output voltage, high efficiency, integrated high voltage switch, and true color PWM dimming, the LT3494AEDDB#PBF from Linear Technology is an excellent choice for designers looking to incorporate reliable and efficient LED driving capabilities into their applications.