MIC3287YD5-TR

LED Driver IC Overview

The MIC3287YD5-TR is a 1.2MHz PWM step-up switching regulator optimized for constant current white LED driving applications. It operates within a supply voltage range of 2.8V to 6.5V and delivers a switch current of 350mA. The device features an internal boost converter with a maximum output voltage of 36V and includes 24V overvoltage protection (OVP). It supports analog and PWM dimming, functions across a junction temperature range of -40°C to 125°C, and is housed in a TSOT-23-5 package.

LED Driver IC Feature Summary

• Integrated 1.2MHz pulse-width modulated step-up switching regulator
• Optimized for constant current white LED driving applications
• Includes 24V overvoltage protection circuitry
• Supports both analog and PWM dimming control methods

LED Driver IC Applications

• Backlight illumination systems
• White LED driver circuits
• Constant current LED lighting modules

LED Driver IC Procurement Notes

Verify the complete part number MIC3287YD5-TR against official Microchip Technology documentation to ensure correct suffix identification. Confirm that the TSOT-23-5 package matches design requirements. Check datasheet revisions for any manufacturing or packing changes documented in Product Change Notices. Ensure compatibility with specified operating temperatures and electrical parameters before integration.

LED Driver IC Selection Notes

Select this component for designs requiring a compact, high-frequency LED driver with integrated protection. The 1.2MHz switching frequency allows for smaller external passive components. Verify input voltage stability within the 2.8V to 6.5V range. Ensure thermal management supports the -40°C to 125°C junction temperature specification. Confirm dimming interface requirements match the supported analog and PWM modes.

LED Driver IC Part Context

This device belongs to the MIC3287 family of LED drivers manufactured by Microchip Technology, formerly Micrel. It is specifically engineered as a highly efficient step-up switching regulator. The product is classified under Power Management ICs (PMIC) and LED Drivers. It serves as a solution for portable and space-constrained lighting applications requiring precise current regulation.

LED Driver IC Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Microchip Technology's official cross-reference tools or distributor databases for verified alternatives if necessary.