The LT3474IFE-1#PBF from Linear Technology is a versatile, compact, step-down DC/DC converter designed for driving high power LEDs with a constant current. This high-efficiency device is ideal for portable and automotive lighting applications, as well as industrial and architectural lighting designs.

Key Features

• Adjustable Output Current: The output current can be adjusted via a single resistor, allowing for precise control over the LED brightness and ensuring consistent light output.
• Wide Input Voltage Range: With an input voltage range of 4V to 36V, the LT3474IFE-1#PBF is suitable for a variety of power sources, from single-cell Li-Ion batteries to automotive power systems.
• True Color PWM Dimming: This feature allows for color stable dimming over a wide brightness range, which is crucial for maintaining the quality of light in applications where color and intensity control is important.
• Integrated Boost Diode: The inclusion of an integrated Schottky diode simplifies the circuit and reduces external component count, leading to a more compact and cost-effective design.
• Thermal Protection: The device includes thermal shutdown protection to safeguard against overheating and damage, ensuring reliable operation under various conditions.

Applications

• Portable Lighting
• Automotive Lighting
• Industrial and Architectural Lighting
• Display Backlighting

Product Specifications

For detailed technical specifications and application guidance, refer to the LT3474IFE-1#PBF datasheet provided by Linear Technology.