Overview of Product LT3476IUHF#TRPBF

The LT3476IUHF#TRPBF is a versatile quad output, current mode DC/DC converter with a robust feature set, designed and manufactured by Linear Technology. This high-performance component is specifically engineered to cater to applications requiring multiple LED driving capabilities, making it an ideal choice for powering large LED arrays in both automotive and industrial settings.

Key Specifications

• Output Channels: 4 independent channels
• Input Voltage Range: 4.5V to 36V, accommodating a wide array of power sources
• Output Current: Up to 1.5A per channel, providing sufficient power for high-brightness LEDs
• Switching Frequency: Adjustable from 200kHz to 2MHz, allowing optimization for efficiency or external component size
• Package: 5mm x 5mm QFN-38, offering a compact footprint for space-constrained applications

Advanced Features

The LT3476IUHF#TRPBF incorporates several advanced features that enhance its performance and versatility:

• True Color PWM Dimming: Delivers up to 5000:1 dimming ratio for precise brightness control
• Internal Soft-Start: Limits inrush current during startup, providing protection for both the converter and the load
• Open LED Protection: Prevents overvoltage by automatically disconnecting the affected channel in case of an open LED condition
• Thermal Protection: Integrated thermal shutdown function safeguards the device from overheating

Applications

The LT3476IUHF#TRPBF's ability to drive multiple LEDs with high accuracy and efficiency makes it suitable for a variety of applications:

• Automotive and avionic lighting systems
• Industrial and architectural lighting
• Display backlighting
• General-purpose multi-channel LED illumination

With its robust design, multiple protection features, and high efficiency, the LT3476IUHF#TRPBF from Linear Technology stands out as a reliable solution for designers looking to implement sophisticated LED lighting systems that require precise control and long-term reliability.