LT8356IUDCM-1#WPBF

LED Driver IC Overview

The LT8356IUDCM-1#WPBF is an automotive-grade DC/DC controller designed for high-current LED driving applications. It supports multiple topologies including boost, buck, flyback, and SEPIC configurations. The device operates with an input voltage range of 5V to 100V and can drive outputs up to 120V or 25A depending on the configuration. It features a fixed switching frequency of 1.95MHz and integrates internal PWM dimming capabilities. The component is qualified to AEC-Q100 standards and functions within a junction temperature range of -40°C to 125°C.

LED Driver IC Feature Summary

• Supports versatile LED driver topologies including boost, buck, flyback, and SEPIC architectures
• Integrates internal analog and PWM dimming control mechanisms
• Automotive qualification compliant with AEC-Q100 reliability standards
• Operates at a fixed high-frequency switching rate for compact passive design

LED Driver IC Applications

• High-power automotive exterior lighting systems
• LED headlamp modules requiring wide input voltage tolerance
• Industrial LED illumination drivers
• General-purpose high-voltage LED string drivers

LED Driver IC Procurement Notes

Verify availability status as supply may be limited or subject to factory special orders. Confirm that the specific suffix matches the required package and temperature grade. Ensure compatibility with existing PCB footprint and thermal management requirements before finalizing procurement decisions.

LED Driver IC Selection Notes

Select this controller when designing circuits requiring support for multiple converter topologies from a single component. It is suitable for applications demanding high input voltage ranges up to 100V. Consider the fixed 1.95MHz frequency for inductor size optimization. Verify that the application requires AEC-Q100 qualification if used in automotive environments.

LED Driver IC Part Context

This part belongs to the LT8356-1 family of DC/DC controllers manufactured by Analog Devices. The series is engineered specifically for driving high-current LEDs using current mode architecture. The IUDCM-1 variant denotes the specific package type and temperature rating within this product line.

LED Driver IC Replacement Considerations

LT8356IUDCM-1#WTRPBF is a tape-and-reel version of the same functional device. Verify package compatibility and reel specifications if transitioning between tray and tape packaging options.