LT8355IUFDM-1#WPBF

LED Driver IC Overview

The LT8355IUFDM-1#WPBF is a dual-channel DC/DC controller designed for driving two strings of high-current LEDs. It operates with an input voltage range of 5V to 60V and supports output voltages up to 120V. The device delivers a maximum output current of 25A and features a typical switching frequency of 1.95MHz. Packaged in a 28-QFN (4x5) format, it integrates SEPIC, Buck, and Boost topologies.

LED Driver IC Feature Summary

• Dual-channel architecture for independent control of two LED strings
• Supports multiple power conversion topologies including SEPIC, Buck, and Boost
• Fixed frequency current mode operation ensures stable performance across wide input and output ranges

LED Driver IC Applications

• High-power LED lighting systems requiring dual string drive
• Automotive exterior lighting applications
• Industrial illumination setups with variable input voltages

LED Driver IC Procurement Notes

Verify the specific suffix #WPBF against Analog Devices official documentation to confirm package type and environmental compliance status. Ensure the ordering part number matches the exact electrical specifications required for your design, as minor suffix variations may indicate different thermal or packaging options.

LED Driver IC Selection Notes

Select this component when designing circuits that require simultaneous control of two high-current LED channels from a single controller. The wide input voltage range accommodates various power sources, while the integrated protection features via the voltage feedback pin simplify system design compared to discrete solutions.

LED Driver IC Part Context

This part belongs to the LT8355 family of LED drivers from Analog Devices. It is specifically engineered for applications demanding high efficiency and reliability in LED lighting. The device combines power switches and control logic into a single compact solution, reducing board space requirements.

LED Driver IC Replacement Considerations

Consult Analog Devices official substitution guides for compatible alternatives. Verify pin compatibility and electrical parameters before replacing with other dual-channel LED controllers.