The LT3478EFE#TRPBF is a robust and versatile LED driver integrated circuit (IC) from Linear Technology, designed to efficiently manage and drive LEDs in a wide array of lighting applications. This IC is particularly suitable for applications requiring a high-brightness LED driver with a wide input voltage range and excellent dimming capabilities.

Key Features:

• Wide Input Voltage Range: The device can operate from an input voltage range of 2.8V to 36V, making it suitable for a variety of power supplies, from single-cell lithium-ion batteries to automotive inputs.
• High Output Current: It can drive up to a 3A LED current, which is ideal for high-power LED applications.
• True Color PWM Dimming: This IC offers true color pulse-width modulation (PWM) dimming, delivering constant LED color with deep dimming capability.
• Integrated Boost Controller: The LT3478EFE#TRPBF features an internal boost controller, allowing it to drive LEDs with higher forward voltages than the input voltage.
• Adjustable Frequency: The switching frequency is adjustable from 200kHz to 2MHz, which enables optimization of efficiency and allows the use of small external components.
• Open LED Protection: It includes open LED protection that safeguards the IC and the LEDs in case of disconnection or failure of the LED string.
• Thermal Protection: The device is equipped with thermal shutdown protection to prevent damage from overheating.

Applications:

The LT3478EFE#TRPBF is an ideal choice for a variety of applications, including:

• Automotive and avionic lighting
• Architectural detail lighting
• Display backlighting
• General purpose LED illumination

With its robust design and comprehensive feature set, the LT3478EFE#TRPBF LED driver IC from Linear Technology provides a reliable and efficient solution for powering high-brightness LEDs in a multitude of lighting applications.