LT3755IMSE-1#TRPBF

LED Driver IC Overview

The LT3755IMSE-1#TRPBF is a DC/DC controller designed for high-current LED applications. It supports input voltages from 4.5V to 40V and delivers up to 10A output current with a maximum output voltage of 75V. Operating at frequencies between 100kHz and 1MHz, it accommodates Flyback, SEPIC, Buck, and Boost topologies. The device features analog and PWM dimming capabilities and is housed in a 16-MSOP-EP package.

LED Driver IC Feature Summary

• Supports multiple converter topologies including Flyback, SEPIC, Step-Down (Buck), and Step-Up (Boost) for flexible LED driver designs.
• Enables precise light control through combined analog and Pulse Width Modulation (PWM) dimming interfaces.
• Integrates an internal 7.15V regulated supply to drive external low-side N-channel power MOSFETs.

LED Driver IC Applications

• High-power LED lighting systems requiring constant current regulation
• Automotive LED illumination circuits utilizing Buck or Boost configurations
• Industrial LED drivers employing Flyback or SEPIC architectures

LED Driver IC Procurement Notes

Verify the specific suffix TRPBF indicates tape-and-reel packaging when sourcing components. Confirm that the IMSE variant corresponds to the MSOP-16 package with exposed pad. Ensure compatibility with the required operating temperature range of -40°C to 125°C TJ. Cross-reference the manufacturer part number LT3755IMSE-1#TRPBF against official Analog Devices documentation to validate authenticity and revision status before integration into production.

LED Driver IC Selection Notes

Select this component for designs requiring high output current up to 10A and wide input voltage ranges up to 40V. Consider the 16-MSOP-EP package for thermal management needs due to the exposed pad. Evaluate the need for both analog and PWM dimming support. Verify that the chosen topology aligns with the controller's capability to handle Flyback, SEPIC, Buck, or Boost configurations efficiently.

LED Driver IC Part Context

This part belongs to the LT3755 series of LED controllers manufactured by Analog Devices. It is specifically engineered to drive high-current LEDs using external power switches. The series includes variants with different packages and reel options, such as the LT3755IUD for automotive QFN applications and other MSOP versions for general-purpose lighting solutions.

LED Driver IC Replacement Considerations

LT3755IMSE-1#PBF: Identical electrical specifications but supplied in tube packaging instead of tape-and-reel format.