LT3922HUFD-1#TRPBF

LED Driver IC Overview

The LT3922HUFD-1#TRPBF is a monolithic, synchronous step-up DC/DC converter designed for LED lighting applications. It features fixed-frequency peak current control and supports analog and PWM dimming with a ratio of 25,000:1. The device operates from a supply voltage range of 2.8V to 36V and delivers an output current of 2.3A per channel. It functions within a switching frequency range of 200kHz to 2MHz and is rated for junction temperatures between -40°C and 150°C.

LED Driver IC Feature Summary

• Synchronous step-up topology for efficient power conversion
• High-resolution PWM dimming capability up to 25,000:1 ratio
• Fixed-frequency peak current mode control architecture
• Wide input voltage range supporting various power sources

LED Driver IC Applications

• LED lighting systems
• General illumination drivers
• Portable lighting devices

LED Driver IC Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging configuration when sourcing. Confirm that the component status aligns with current production lifecycle notifications from Analog Devices. Ensure compatibility with required thermal management solutions given the high junction temperature rating. Cross-reference datasheet revisions to confirm pinout and electrical specifications remain unchanged for this specific part number.

LED Driver IC Selection Notes

Select this component for applications requiring wide input voltage flexibility and high-efficiency LED driving. The synchronous design offers improved performance over non-synchronous alternatives. Consider the 2.3A output capability and 25,000:1 dimming range against specific load requirements. Evaluate the operating temperature range suitability for the intended environmental conditions. Compare switching frequency options against electromagnetic interference constraints.

LED Driver IC Part Context

This part belongs to the LT3922 family of LED drivers from Analog Devices. The HUFD-1 variant specifies the package type and temperature grade. Related parts include LT3922EUFD-1 and LT3922IUFD-1, which share similar functionalities but may differ in package or temperature ratings. The series utilizes isoSPI technology in related interface components like LTC6820 for system integration.

LED Driver IC Replacement Considerations

LT3922HUFD-1#PBF is a leaded version of the same functional device. LT3922EUFD-1#TRPBF and LT3922IUFD-1#TRPBF are alternative variants within the same family. Verify package dimensions and thermal characteristics when substituting. Check datasheet revisions for any changes in electrical parameters before replacement.