LT3909HDD#TRPBF

LED Driver IC Overview

The LT3909HDD#TRPBF is a dual-channel step-up LED driver manufactured by Analog Devices Inc. It operates at a switching frequency of 2MHz and delivers up to 60mA per channel with ±2% current matching accuracy. The device supports analog and PWM dimming for precise brightness control. It features an input voltage range of 2.7V to 5.5V and outputs up to 40V. Packaged in a 12-lead DFN (3x3mm) with exposed pad, it ensures efficient thermal performance.

LED Driver IC Feature Summary

• Dual independent high-current outputs with precision matching
• Integrated analog and PWM dimming capabilities
• High-frequency operation minimizing external component size

LED Driver IC Applications

• Backlight drivers for mobile devices
• LED illumination systems requiring precise current regulation
• Portable electronics with space-constrained designs

LED Driver IC Procurement Notes

Verify the specific suffix TRPBF indicates tape and reel packaging when ordering. Confirm the 12-DFN package dimensions match your PCB footprint requirements. Ensure compatibility with the 2.7V to 5.5V input voltage range for your system design. Check RoHS compliance status if required by your manufacturing standards.

LED Driver IC Selection Notes

Select this component for applications requiring dual-channel LED driving with tight current matching tolerances. Consider the 2MHz switching frequency for smaller passive components compared to lower-frequency alternatives. Evaluate the 12-DFN package suitability for automated surface-mount assembly processes.

LED Driver IC Part Context

This part belongs to the LT3909 family of LED drivers designed for portable applications. It integrates power switches and control logic into a compact form factor. The device simplifies design by combining dual channels in a single package, reducing board space and component count for complex lighting solutions.

LED Driver IC Replacement Considerations

LT3909HDD#PBF is the tube-reel equivalent of this part number.