MIC3289-24YML-TR

LED Driver IC Overview

The MIC3289-24YML-TR is a PWM boost-switching regulator optimized for constant-current white LED driver applications. It features an internal Schottky diode and operates with a switching frequency of 1.2MHz. The device supports a supply voltage range from 2.5V to 6.5V and provides a maximum output current of 1.2A per channel. It utilizes true 1-Wire digital control for brightness adjustment and includes overvoltage protection. The component is housed in an 8-MLF package.

LED Driver IC Feature Summary

• Integrated internal Schottky diode eliminates external component requirements
• True 1-Wire digital interface enables precise brightness control
• Optimized for constant-current white LED driving applications

LED Driver IC Applications

• White LED backlighting systems
• Portable electronic device illumination
• Constant-current LED driver circuits

LED Driver IC Procurement Notes

Verify the specific suffix '24YML-TR' against official Microchip documentation to confirm pinout, thermal pad configuration, and tape-and-reel specifications. Ensure compatibility with existing PCB footprints and design-in requirements before procurement.

LED Driver IC Selection Notes

Select this component for designs requiring integrated power switching and digital dimming control in compact form factors. Consider the 1.2MHz frequency for minimizing passive component size while evaluating thermal performance within the 8-MLF package constraints.

LED Driver IC Part Context

This part belongs to the MIC3289 family of PWM white LED drivers manufactured by Microchip Technology. It is designed as a step-up switching regulator specifically tailored for driving high-brightness LEDs in portable consumer electronics where space efficiency and control precision are critical.

LED Driver IC Replacement Considerations

Consult official substitution guides for equivalent parts such as the MIC3287 series or other Microchip LED drivers with similar electrical characteristics and package dimensions.