LT3932HUFD-1#TRPBF

LED Driver IC Overview

The LT3932HUFD-1#TRPBF is a synchronous step-down LED driver from Analog Devices, housed in a QFN-28 package. It operates with an input voltage range of 3.6 V to 36 V and delivers up to 2 A output current. The device supports adjustable output voltage and features a switching frequency between 200 kHz and 2 MHz. It includes PWM dimming capabilities and open LED protection. Operating temperatures range from -40°C to +150°C TJ.

LED Driver IC Feature Summary

• Synchronous buck topology for high-efficiency LED regulation
• Supports analog and PWM dimming methods
• Integrated open LED protection circuitry

LED Driver IC Applications

• Automotive lighting systems
• General illumination applications
• High-power LED drivers

LED Driver IC Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing components. Confirm that the HUFD designation corresponds to the automotive grade and extended temperature specifications required for your design environment. Ensure compatibility with the QFN-28 footprint during PCB layout verification.

LED Driver IC Selection Notes

Select this component for designs requiring a single-channel synchronous buck LED driver with wide input voltage capability. Consider the 2 A output limit and the 200 kHz to 2 MHz frequency range for thermal and EMI management. Verify that the QFN-28 package fits within the available board space constraints.

LED Driver IC Part Context

This part belongs to the LT3932 series of LED drivers manufactured by Analog Devices. It is designed as a standalone solution for regulating LED currents without requiring a microcontroller. The series offers configurable current settings via external resistors, providing flexibility for various lighting architectures.

LED Driver IC Replacement Considerations

Publicly confirmed substitute part numbers are not provided in the reference documentation. Evaluate cross-referencing only through official manufacturer channels or authorized distributors to ensure functional equivalence and supply chain reliability.