LT3755EMSE-2#TRPBF

LED Driver IC Overview

The LT3755EMSE-2#TRPBF is a DC/DC controller designed for high-current LED driving applications. It operates with an input voltage range of 4.5V to 40V and supports adjustable output voltages up to 75V. The device utilizes a fixed-frequency current-mode architecture, enabling stable operation across wide supply and output voltage variations. It features analog and PWM dimming capabilities and includes open LED protection. Packaged in a 16-lead MSOP with exposed pad, it supports multiple topologies including Boost, Buck, Buck-Boost, Flyback, and SEPIC configurations.

LED Driver IC Feature Summary

• Supports multiple converter topologies including Boost, Buck, Buck-Boost, Flyback, and SEPIC
• Enables precise LED current regulation via analog and PWM dimming interfaces
• Incorporates internal open LED protection circuitry for system safety

LED Driver IC Applications

• Automotive LED lighting systems
• High-power general illumination drivers
• Industrial LED backlighting solutions

LED Driver IC Procurement Notes

Verify the specific suffix #TRPBF indicates tape-and-reel packaging when sourcing components. Confirm that the manufacturer designation aligns with Analog Devices Inc., as Linear Technology was acquired. Ensure the part number matches the exact pinout and thermal pad requirements for the MSOP-16 package to avoid integration errors during procurement.

LED Driver IC Selection Notes

Select this component for designs requiring flexible topology implementation with a single controller IC. It is suitable for applications needing wide input voltage ranges and high output voltage capabilities up to 75V. Consider the external MOSFET drive requirement and ensure the switching frequency setting aligns with the desired inductor size and efficiency targets for the specific LED load.

LED Driver IC Part Context

This part belongs to the LT3755 series of LED controllers from Analog Devices. It is functionally similar to the LT3755EMSE-2#PBF but differs in packaging format. The series is characterized by its ability to drive high-current LEDs using external power switches, offering versatility in circuit design for various lighting architectures.

LED Driver IC Replacement Considerations

LT3755EMSE-2#PBF serves as the tube-pack equivalent of this reel-part. Cross-reference with other LT3755 variants if different temperature grades or package styles are required, ensuring electrical parameters remain compatible.