LT3935RV#PBF

LED Driver IC Overview

The LT3935RV#PBF is a synchronous step-down LED driver IC from Analog Devices Inc., housed in a 28-LQFN (4x5) package. It features a wide input voltage range of 3.6V to 36V and delivers up to 4A output current. The device operates at frequencies between 200 kHz and 2 MHz, with an operating temperature range of -40°C to +150°C. It supports PWM dimming and includes built-in short-circuit protection.

LED Driver IC Feature Summary

• Utilizes proprietary Silent Switcher technology for very low EMI emissions
• Provides ±1.5% LED current regulation accuracy
• Supports both analog and PWM dimming methods
• Includes open/short LED detection capabilities

LED Driver IC Applications

• High-performance DC/DC converter applications
• LED lighting systems requiring precise current control
• Industrial lighting fixtures
• Automotive interior lighting modules

LED Driver IC Procurement Notes

Verify the exact suffix against official Analog Devices documentation to confirm pinout and thermal characteristics. Ensure the component matches the specified 28-LQFN package dimensions. Cross-reference the datasheet revision date to validate feature sets like Silent Switcher implementation. Confirm RoHS compliance status through the manufacturer's official declarations before procurement.

LED Driver IC Selection Notes

Select this component when high efficiency and low electromagnetic interference are critical for LED driving. The wide input voltage range suits various supply conditions. Consider the 4A current limit for medium-power LED arrays. The extended temperature range allows operation in harsh environments. Verify that the required switching frequency falls within the 200 kHz to 2 MHz operational window.

LED Driver IC Part Context

This part belongs to the LT3935 series of LED drivers designed by Analog Devices. It is specifically engineered for applications demanding high reliability and precise light output control. The series integrates power switches and control logic into a compact form factor, simplifying design implementation for professional lighting solutions.

LED Driver IC Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Consult Analog Devices official documentation for direct replacements or cross-references.