LT3756IUD-2#TRPBF

LED Driver IC Overview

The LT3756IUD-2#TRPBF is a DC/DC controller designed for high-current LED driving applications. It supports multiple topologies including Boost, Buck, Flyback, and SEPIC configurations. The device operates with an input voltage range of 6V to 100V and can drive external N-channel MOSFETs from an internal regulated supply. It features analog and PWM dimming capabilities, open LED protection, and a switching frequency range of 100kHz to 1MHz. Packaged in a 16-WFQFN exposed pad format, it ensures reliable performance across industrial temperature ranges.

LED Driver IC Feature Summary

• Supports versatile converter topologies such as Boost, Buck, Flyback, and SEPIC for flexible circuit design
• Enables precise light control through integrated analog and PWM dimming interfaces
• Includes built-in open LED protection mechanisms to safeguard the load and driver integrity

LED Driver IC Applications

• General LED lighting systems requiring constant current regulation
• Automotive exterior and interior illumination modules
• Display backlighting solutions demanding high efficiency
• Industrial indicator circuits operating under wide voltage conditions

LED Driver IC Procurement Notes

Verify the specific suffix TRPBF indicates tape and reel packaging when ordering. Confirm that the IUD variant meets the required thermal and electrical specifications for your application environment. Ensure compatibility with external power components selected for the target topology. Cross-reference the manufacturer's latest datasheet for any recent package or material changes before finalizing procurement.

LED Driver IC Selection Notes

Select this component when designing LED drivers that require operation from high input voltages up to 100V. It is suitable for applications needing support for various switching topologies like SEPIC or Flyback. Consider its internal 7.15V gate drive supply when choosing external MOSFETs. Evaluate the need for analog versus PWM dimming signals to determine interface requirements. Ensure the 16-pin QFN package fits within the available PCB area constraints.

LED Driver IC Part Context

This part belongs to the LT3756 family of LED controllers manufactured by Analog Devices Inc. The series includes variants with different packages and temperature ratings, such as MSOP and QFN options. These controllers are engineered to provide robust constant-current regulation for high-power LED arrays. The family supports wide input voltage ranges and multiple switching frequencies to optimize efficiency and component size.

LED Driver IC Replacement Considerations

LT3756HMSE-2#PBF is a parameter-equivalent alternative within the same product family.