LT3932IUFD-1#PBF

LED Driver IC Overview

The LT3932IUFD-1#PBF is a monolithic synchronous step-down LED driver designed for high-brightness LED applications. It integrates high-side and low-side power MOSFETs to deliver up to 2A continuous output current. The device operates with an input voltage range of 3.6V to 36V and supports switching frequencies from 200kHz to 2MHz. It features analog and PWM dimming capabilities, ensuring precise light control. Packaged in a 28-pin QFN (4x5mm) suitable for surface mount technology, it functions within a temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Integrates high-side and low-side power MOSFETs for efficient synchronous buck conversion
• Supports both analog and pulse-width modulation (PWM) dimming methods
• Operates over a wide input voltage range suitable for various supply conditions
• Includes internal frequency synchronization capability

LED Driver IC Applications

• LED lighting systems
• Display backlights
• Automotive exterior lighting

LED Driver IC Procurement Notes

Verify the specific suffix '-1' against the official Analog Devices datasheet to confirm pinout and functional configuration, as variations exist within the LT3932 family. Ensure the QFN-28 package dimensions match your PCB footprint requirements. Confirm RoHS compliance status through the manufacturer's latest documentation before finalizing procurement specifications.

LED Driver IC Selection Notes

Select this component when a single-channel, high-current synchronous buck topology is required for LED regulation. The wide input voltage range accommodates battery-powered or unregulated DC sources. Consider the thermal performance of the QFN-28 package relative to the expected ambient temperature and heat dissipation constraints of the target enclosure design.

LED Driver IC Part Context

This part belongs to the LT3932 series of LED drivers from Analog Devices. It is distinct from other variants like the LT3932IUFD#PBF by its specific internal configuration denoted by the '-1' suffix. The series is engineered for robust performance in demanding lighting environments, offering integrated protection features and high efficiency typical of modern synchronous regulators.

LED Driver IC Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify compatibility with alternative components by comparing electrical parameters such as input voltage range, output current capacity, and package dimensions.