LT3743EFE#TRPBF

LED Driver IC Overview

The LT3743EFE#TRPBF is a fixed-frequency synchronous step-down DC/DC controller designed for high-current LED driving applications. It operates with an input voltage range of 6 V to 36 V and supports output currents up to 20 A. The device utilizes average current mode control within a switching frequency range of 200 kHz to 1 MHz. It features PWM dimming capabilities, open LED protection, and adjustable output voltage. The component is housed in a 28-pin TSSOP-EP package and functions reliably across an operating temperature range of -40 °C to +125 °C.

LED Driver IC Feature Summary

• Synchronous buck topology optimized for high-current LED drive applications
• Average current mode control for precise regulation
• Integrated three-state control and PWM dimming functionality
• Built-in open LED protection mechanisms

LED Driver IC Applications

• High-power LED lighting systems
• Automotive LED illumination
• Industrial LED drivers

LED Driver IC Procurement Notes

Verify the specific suffix #TRPBF confirms tape and reel packaging when ordering. Confirm RoHS compliance status through official Analog Devices documentation prior to integration. Ensure the selected variant matches the required thermal performance for the intended enclosure design. Cross-reference the datasheet revision date to ensure compatibility with existing design specifications.

LED Driver IC Selection Notes

Select this controller for designs requiring high output current capability up to 20 A. The wide input voltage range suits various power supply architectures. Consider the 28-pin TSSOP-EP package for thermal management requirements. Evaluate the switching frequency options against external component size constraints. Verify that the application environment falls within the specified industrial temperature limits.

LED Driver IC Part Context

This component belongs to the LT3743 series of LED drivers from Analog Devices. It is part of a family of synchronous buck controllers tailored for demanding lighting applications. The series offers variations in packaging and trim options to suit different manufacturing needs while maintaining core performance characteristics for high-efficiency power conversion.

LED Driver IC Replacement Considerations

LT3743IFE#PBF

LED Driver IC FAQ

What is the maximum output current supported by the LT3743EFE#TRPBF?

The device supports an output current of up to 20 A.

Does the LT3743EFE#TRPBF support PWM dimming?

Yes, the controller includes integrated PWM dimming functionality.