LT3922EUFD#TRPBF

LED Driver IC Overview

The LT3922EUFD#TRPBF is a synchronous boost LED driver IC from Analog Devices, housed in a 28-lead QFN package. It operates with an input voltage range of 2.8 V to 36 V and delivers up to 2.3 A output current. The device supports adjustable switching frequencies between 200 kHz and 2 MHz. It features analog and PWM dimming capabilities, open LED protection, and functions within a temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Synchronous step-up topology for high-efficiency LED driving
• Supports both analog and pulse-width modulation dimming methods
• Integrated open LED protection circuitry
• Adjustable switching frequency for flexible filter design

LED Driver IC Applications

• General illumination systems
• Automotive lighting applications
• Industrial lighting fixtures
• Portable battery-powered lighting devices

LED Driver IC Procurement Notes

Verify the specific suffix #TRPBF indicates tape-and-reel packaging when ordering. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the selected variant matches the required thermal and electrical specifications for the target application environment.

LED Driver IC Selection Notes

Select this component for designs requiring a single-channel boost converter with wide input voltage compatibility. Consider the 28-QFN package for space-constrained layouts. Evaluate the need for external components based on the desired switching frequency and dimming control interface requirements.

LED Driver IC Part Context

This part belongs to the LT3922 family of LED drivers designed for high-performance lighting applications. It shares core architecture with other variants in the series but differs in packaging and reel configuration. The EUFD suffix denotes the specific lead-free and halogen-free compliant QFN package type used for surface mount assembly.

LED Driver IC Replacement Considerations

LT3922EUFD-1#TRPBF is a documented alternative variant within the same product family. Verify pinout compatibility and functional equivalence before substitution. Consult official datasheets to confirm any differences in internal circuitry or performance characteristics between the standard and -1 suffix versions.