LT3598IFE#PBF

LED Driver IC Overview

The LT3598IFE#PBF is a fixed-frequency step-up DC/DC converter designed to drive up to six strings of LEDs at an output voltage up to 44V. It operates with a supply voltage range of 3.2V to 30V and delivers 30mA per channel. The device features 1.5% current matching across outputs, supports analog and PWM dimming, and functions within a junction temperature range of -40°C to 125°C. It utilizes a 24-pin TSSOP-EP package and switches at frequencies between 200kHz and 2.5MHz.

LED Driver IC Feature Summary

• Integrated boost topology for driving multiple LED strings from low-voltage sources
• High precision current matching ensures uniform brightness across all channels
• Flexible dimming control supporting both analog and pulse-width modulation methods

LED Driver IC Applications

• Automotive LCD backlighting systems
• Industrial human-machine interface displays
• IoT gateway display modules

LED Driver IC Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and tube packaging when sourcing. Confirm the IFE variant matches the required industrial temperature grade and pinout configuration. Cross-reference the manufacturer's latest datasheet to ensure no obsolete status changes or alternative package options are available for your specific design constraints.

LED Driver IC Selection Notes

Select this component when designing multi-string LED drivers requiring tight current matching without external resistors. Ensure the input voltage range aligns with the system power source and that the maximum output voltage capability meets the total forward voltage of the LED strings. Consider the thermal performance of the exposed pad package for high-density PCB layouts.

LED Driver IC Part Context

This part belongs to Analog Devices' family of dedicated LED lighting driver ICs. It complements other solutions like the MAX25560 and LT8356-1 by offering a specialized multi-channel boost architecture. The series targets applications needing precise current regulation and flexible dimming capabilities in compact form factors.

LED Driver IC Replacement Considerations

Check for direct pin-compatible upgrades within the same product line. Verify if newer revisions maintain identical electrical characteristics and thermal specifications before substituting.