LT3745EUJ#TRPBF

LED Driver IC Overview

The LT3745EUJ#TRPBF is a 16-channel LED driver IC with an integrated buck controller, manufactured by Analog Devices. It supports output currents of 50mA to 75mA per channel and operates within a supply voltage range of 6V to 55V. The device features PWM dimming capability and functions as a DC-DC step-down controller. It is housed in a 40-WFQFN exposed pad package and operates at switching frequencies between 200kHz and 1MHz. The component is rated for junction temperatures from -40°C to 125°C.

LED Driver IC Feature Summary

• Integrates a 16-channel LED driver with a synchronous buck controller
• Supports PWM dimming for precise brightness control
• Operates with wide input voltage range up to 55V

LED Driver IC Applications

• LED backlighting systems
• Signage illumination

LED Driver IC Procurement Notes

Verify the specific suffix TRPBF indicates tape and reel packaging when sourcing. Confirm the manufacturer is Analog Devices Inc. Ensure the part number matches the exact 16-channel configuration. Check RoHS compliance status through official documentation. Validate the operating temperature range requirements against application needs.

LED Driver IC Selection Notes

Select this component for applications requiring multiple LED channels driven by a single buck topology. Consider the 40-QFN package size for PCB layout constraints. Evaluate the 200kHz to 1MHz frequency range for filter component selection. Ensure the input voltage does not exceed the 55V maximum rating.

LED Driver IC Part Context

This part belongs to the LT3745 series of LED lighting drivers. It combines high-density LED driving with power management in a single package. The series is designed for efficient illumination solutions requiring synchronized control across multiple outputs.

LED Driver IC Replacement Considerations

LT3745IUJ#PBF is a documented variant within the same family.