LT3922IUFD#TRPBF

LED Driver IC Overview

The LT3922IUFD#TRPBF is a monolithic, synchronous step-up DC/DC converter designed for LED lighting applications. It features fixed-frequency peak current control and supports PWM dimming. The device operates with an input voltage range of 2.8 V to 36 V and delivers an output current of up to 2 A. It utilizes a QFN-28 package and functions within a temperature range of -40°C to +125°C. The operating frequency is adjustable from 200 kHz to 2 MHz.

LED Driver IC Feature Summary

• Provides precise LED current regulation with ±2% accuracy
• Supports high-resolution PWM dimming capabilities
• Includes open LED protection for system safety

LED Driver IC Applications

• LED string drivers
• General LED lighting systems
• Industrial illumination

LED Driver IC Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when ordering. Confirm the exact part number against the manufacturer's latest documentation to ensure compatibility with design requirements. Check for restricted availability status as supply conditions may vary by region and distributor.

LED Driver IC Selection Notes

Select this component for designs requiring a single-channel boost topology with integrated dimming control. Ensure the input voltage range aligns with the power source. Verify that the thermal performance of the QFN-28 package meets the application's heat dissipation needs under maximum load conditions.

LED Driver IC Part Context

This part belongs to the LT3922 series of LED drivers from Analog Devices. It is a synchronous boost converter optimized for driving LED strings. The device integrates the necessary control logic and power switches into a compact form factor suitable for space-constrained lighting solutions.

LED Driver IC Replacement Considerations

Consult official substitution guides for compatible alternatives. Verify pinout and electrical specifications match before replacing.