LT3756IUD#PBF

LED Driver IC Overview

The LT3756IUD#PBF is a DC/DC controller designed for driving high-current LEDs. It supports Boost, Buck, Buck-Boost, Flyback, and SEPIC topologies with a single output channel. The device operates on an input voltage range of 6 V to 100 V and can deliver up to 10 A output current. It features a programmable switching frequency from 100 kHz to 1 MHz and handles output voltages up to 100 V. Packaged in a 16-lead QFN, it functions within a temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Supports multiple converter topologies including Boost, Buck, Buck-Boost, Flyback, and SEPIC for flexible LED driver designs.
• Enables precise LED current regulation with integrated PWM dimming capabilities.
• Includes open LED protection to safeguard the system during fault conditions.

LED Driver IC Applications

• High-power industrial LED lighting systems
• Automotive exterior and interior LED illumination
• General solid-state lighting applications requiring high current drive

LED Driver IC Procurement Notes

Verify the specific suffix (#PBF) indicates lead-free RoHS compliance when sourcing. Confirm the package type matches the required PCB footprint, as variations exist within the family. Ensure the selected variant aligns with the intended topology and electrical requirements for the target application.

LED Driver IC Selection Notes

Select this component for applications requiring high input and output voltage ranges up to 100V. Consider the available topologies to match the circuit architecture. Verify thermal management needs due to the 10A current capability and ensure the operating temperature range suits the environment.

LED Driver IC Part Context

This part belongs to the LT3756 family of DC/DC controllers manufactured by Analog Devices. The family includes variants like LT3756-1 and LT3756-2, which share core functionalities but may differ in specific pinouts or internal configurations. These controllers are optimized for driving high-current LEDs in demanding environments.

LED Driver IC Replacement Considerations

LT3756IUD-1#PBF and LT3756IUD-2#PBF are related variants within the same family. Verify functional equivalence regarding pinout and internal configuration before substitution, as differences may exist between the base model and its numbered derivatives.