LT8356IUDCM-1#WTRPBF

LED Driver IC Overview

The LT8356IUDCM-1#WTRPBF is a DC/DC controller designed for driving high-current LEDs, featuring an internal 1.95MHz fixed-frequency current-mode architecture. It supports multiple topologies including boost, buck, flyback, and SEPIC configurations. The device operates with input voltages from 5V to 100V and can drive outputs up to 120V or 25A. It includes internal PWM dimming capabilities and is housed in a 20-lead QFN (3x4mm) package with exposed pad, rated for operation between -40°C and 125°C.

LED Driver IC Feature Summary

• Supports versatile LED driver topologies including boost, buck, flyback, and SEPIC
• Integrates internal PWM dimming functionality for scalable brightness control
• Features voltage feedback pin for multiple LED protection functions and constant voltage source operation

LED Driver IC Applications

• Automotive exterior lighting systems requiring AEC-Q100 compliance
• High-power general illumination LED drivers
• Industrial lighting applications needing wide input voltage ranges

LED Driver IC Procurement Notes

Verify the specific suffix 'WTRPBF' indicates tape-and-reel packaging when ordering. Confirm that the component meets Automotive AEC-Q100 qualification requirements if intended for automotive use. Ensure the design accounts for the 20-QFN thermal pad soldering requirements for optimal heat dissipation. Check current supply status as availability may be restricted.

LED Driver IC Selection Notes

Select this controller for applications requiring a single IC solution for various LED topologies. It is suitable for designs needing wide input voltage flexibility from 5V to 100V. Consider its internal PWM dimming feature if analog or digital dimming control is required without external circuitry. Ensure the output current and voltage ratings align with the specific LED array configuration.

LED Driver IC Part Context

This part belongs to the LT8356-1 family of DC/DC controllers from Analog Devices. It is specifically engineered for high-current LED driving applications. The device shares core architectural features with other members of the series but is distinguished by its specific packaging and reel quantity designation.

LED Driver IC Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing PCB footprints and control logic before considering alternative components.