LT3755EMSE-2#PBF

LED Driver IC Overview

The LT3755EMSE-2#PBF is a DC/DC controller designed for high-current LED driving applications. It operates with an input voltage range of 4.5 V to 40 V and supports output voltages up to 75 V. The device provides an adjustable output current capability of 10 A, suitable for demanding lighting loads. It features a fixed frequency current-mode architecture that ensures stable operation across wide supply and output voltage variations. The unit is housed in a 16-pin MSOP package and functions within a temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Supports Buck, Boost, Buck-Boost, Flyback, and SEPIC topologies for flexible LED driver designs
• Integrates PWM dimming control and open LED protection for enhanced system reliability
• Utilizes internal regulated 7.15V supply to drive low-side external N-channel power MOSFETs

LED Driver IC Applications

• Automotive LED lighting systems
• High-power LED illumination drivers
• Display backlighting applications requiring constant current sources

LED Driver IC Procurement Notes

Verify the specific suffix #PBF indicates tube packaging when reviewing distributor listings. Confirm RoHS compliance status through official Analog Devices documentation prior to integration. Ensure the selected variant matches the required thermal and electrical specifications for the target application environment. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components.

LED Driver IC Selection Notes

Select this component for applications requiring wide input voltage ranges and high output current capabilities. The integrated fault protection features simplify design complexity compared to discrete solutions. Consider the operating temperature range and package thermal performance for high-power implementations. Validate compatibility with external MOSFET selection based on the internal gate drive voltage specifications.

LED Driver IC Part Context

The LT3755 series includes variants such as the LT3755-1 and LT3755-2, all designed as constant-current controllers for high-current LEDs. These devices share a common architectural foundation optimized for automotive and industrial lighting. The EMSE-2#PBF designation specifies the particular pinout and functional configuration within this family.

LED Driver IC Replacement Considerations

LT3755EMSE#PBF

LED Driver IC FAQ

What is the maximum output voltage supported by the LT3755EMSE-2#PBF?

The device supports output voltages up to 75 V.

Does the LT3755EMSE-2#PBF support PWM dimming?

Yes, the controller integrates PWM dimming functionality for brightness control.