LT3763IFE#TRPBF

LED Driver IC Overview

The LT3763IFE#TRPBF is a fixed frequency, synchronous step-down DC/DC controller designed for high-current LED driver applications. It accurately regulates output currents up to 20A using average current mode control. The device supports an input voltage range of 6V to 60V and provides an output voltage capability up to 55V. Operating frequencies are adjustable from 200kHz to 1MHz. It features PWM dimming control and operates within a junction temperature range of -40°C to 125°C. The component is housed in a 28-TSSOP-EP package.

LED Driver IC Feature Summary

• Synchronous buck topology for efficient high-current regulation
• Average current mode control for precise inductor current management
• Supports wide input voltage ranges suitable for various power sources
• Integrated PWM dimming capability for brightness control

LED Driver IC Applications

• High-power LED lighting systems requiring constant current regulation
• Industrial illumination fixtures with wide input voltage requirements
• Automotive exterior lighting modules
• General purpose high-current DC-DC conversion circuits

LED Driver IC Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when ordering. Confirm that the 28-TSSOP-EP package matches your PCB footprint design. Ensure the selected operating frequency and input voltage parameters align with your system's power supply constraints. Check for any recent product change notices regarding material declarations or epoxy changes before finalizing procurement.

LED Driver IC Selection Notes

Select this controller when designing synchronous buck converters for LEDs requiring up to 20A output current. It is suitable for applications needing wide input voltage tolerance up to 60V. Consider the thermal performance of the exposed pad package for high-power dissipation scenarios. Verify compatibility with external MOSFETs and inductors for the desired switching frequency range.

LED Driver IC Part Context

The LT3763 belongs to Analog Devices' family of high-performance LED drivers. It complements other controllers like the LT3762 by offering higher current capabilities in a buck topology. This series is engineered for robust performance in demanding lighting environments, providing reliable constant current regulation across varying load conditions.

LED Driver IC Replacement Considerations

LT3763EFE#PBF is a verified tube-packaged alternative within the same functional family.