Product Overview: LT3485EDD-1

The LT3485EDD-1 is a versatile, high-performance DC/DC converter designed by Linear Technology, now part of Analog Devices, tailored for driving LEDs with a constant current. This compact and efficient integrated circuit (IC) is housed in a small DFN package, making it an ideal choice for space-constrained applications where thermal performance and reliability are critical.

Key Features

• Integrated Schottky Diode: The LT3485EDD-1 integrates a high-efficiency Schottky diode, which simplifies the design and reduces external component count, thus saving board space and cost.
• Wide Input Voltage Range: This device operates from an input voltage range of 2.5V to 16V, accommodating a variety of power supplies and battery configurations.
• Adjustable Output Voltage: The output voltage can be set with a single resistor, providing design flexibility and making it suitable for driving a string of multiple LEDs.
• True Color PWM Dimming: The LT3485EDD-1 supports True Color PWM dimming, which offers a wide dimming ratio, enabling precise control over LED brightness while maintaining color fidelity.
• Internal Soft-Start: With an internal soft-start feature, the device minimizes inrush current at startup, contributing to system stability and longevity.
• Robust Thermal Performance: The DFN package enhances thermal performance, ensuring the device operates reliably over a wide temperature range.

Applications

The LT3485EDD-1 is well-suited for a broad range of applications that require efficient LED driving capabilities. It is commonly used in:

• Portable lighting
• Automotive and avionics lighting
• Architectural detail and feature lighting
• Display backlighting

Reliability and Quality

Linear Technology's commitment to high-quality and reliable products is reflected in the LT3485EDD-1. Its robust design ensures long-term performance in a variety of environments and applications. Whether for industrial, automotive, or consumer electronics, the LT3485EDD-1 is designed to meet the stringent requirements of a wide array of LED driving applications.