MIC3289-16YML-TR

LED Driver IC Overview

The MIC3289-16YML-TR is a PWM boost-switching regulator optimized for constant-current white LED driver applications. It features an internal Schottky diode and operates at a switching frequency of 1.2MHz. The device provides a switch current output of 1.2A and supports true 1-Wire digital control for brightness adjustment. It is housed in an 8 VFDFN Exposed Pad package with dimensions of 2x2 mm. The operating junction temperature range extends from -40°C to 125°C.

LED Driver IC Feature Summary

• Integrates an internal Schottky diode to reduce external component count
• Supports true 1-Wire digital control interface for brightness regulation
• Optimized for constant-current white LED driver applications

LED Driver IC Applications

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

LED Driver IC Procurement Notes

Verify the specific suffix '16' indicates the correct output current rating of 1.2A, distinct from other variants like the '24' series. Confirm the package type is 8-MLF (2x2) and ensure RoHS compliance status matches project requirements. Cross-reference the manufacturer Microchip Technology with the original Micrel Semiconductor lineage to ensure accurate datasheet sourcing.

LED Driver IC Selection Notes

Select this component when a compact solution for white LED backlighting is required. The integrated Schottky diode simplifies PCB layout by minimizing external parts. Ensure the application demands a 1.2A switch current capability and utilizes a 1-Wire digital interface for dimming control rather than analog methods.

LED Driver IC Part Context

This part belongs to the MIC3289 family of PWM boost-switching regulators designed specifically for white LED drivers. The '16' suffix typically denotes the 1.2A current variant, while other suffixes may indicate different current ratings or packaging options within the same functional family.

LED Driver IC Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing 1-Wire interfaces and thermal management requirements before considering alternative components.