LT3745EUJ

LED Driver IC Overview

The LT3745EUJ#PBF is a 16-channel LED driver IC integrating a DC-DC buck controller. It supports up to 75mA per channel with output voltages reaching 36V. The device operates within a supply voltage range of 6V to 55V and features PWM dimming control. Designed for high efficiency, it utilizes a step-down topology. The component is housed in a 40-WFQFN exposed pad package (6x6 mm) suitable for surface mount applications.

LED Driver IC Feature Summary

• Integrates 16-channel LED driver with dedicated buck controller
• Supports PWM dimming for precise brightness control
• Handles high input voltages up to 55V
• Delivers consistent current regulation per channel

LED Driver IC Applications

• Backlight illumination systems
• Signage lighting arrays
• High-voltage LED string drivers

LED Driver IC Procurement Notes

Verify the specific suffix #PBF indicates lead-free RoHS compliance. Confirm the package variant matches the 40-QFN (6x6) footprint requirements. Ensure the design accounts for thermal dissipation through the exposed pad. Check for latest Product Change Notifications regarding manufacturing site updates.

LED Driver IC Selection Notes

Select this part when a single controller must manage multiple LED strings independently. It is suitable for designs requiring high input voltage tolerance. Consider the 16-channel count against total LED load requirements. Evaluate thermal performance given the dense QFN packaging.

LED Driver IC Part Context

This component belongs to the LT3745 family from Analog Devices. It combines power switching and linear drive capabilities. The series targets complex LED architectures where individual channel control is necessary. It replaces discrete solutions by integrating control logic and drivers.

LED Driver IC Replacement Considerations

LT3745IUJ#PBF serves as a direct substitute within the same package and specification profile.