MIC3289-24YD6-TR

LED Driver IC Overview

The MIC3289-24YD6-TR is a PWM boost-switching regulator optimized for constant-current white LED driver applications. It operates with an input voltage range of 2.8 V to 6.5 V and delivers up to 1.2 A switch current at a fixed frequency of 1.2 MHz. The device features an internal Schottky diode and provides digital brightness control capabilities. It is housed in a compact TSOT-23-6 package and supports operation temperatures from -40°C to +125°C TJ.

LED Driver IC Feature Summary

• Integrated PWM boost switching regulator architecture
• Internal Schottky diode for efficiency optimization
• Digital brightness control functionality

LED Driver IC Applications

• Constant-current white LED driving
• LED backlight systems
• Portable electronic lighting

LED Driver IC Procurement Notes

Verify the specific suffix '24YD6' against official Microchip documentation to confirm pinout and electrical characteristics match your design requirements. Ensure the TSOT-23-6 package footprint aligns with your PCB layout. Confirm thermal management strategies are adequate for the specified junction temperature range during operation.

LED Driver IC Selection Notes

Select this component when a compact, high-frequency boost solution is required for single-channel white LEDs. The integrated Schottky diode reduces external component count. Verify that the 1.2 MHz switching frequency fits within EMI constraints and that the 1.2 A peak current capability meets the LED string requirements.

LED Driver IC Part Context

This part belongs to the MIC3289 family of LED drivers designed for portable applications. It serves as a specialized power management IC for driving white LEDs efficiently. The 'TR' suffix indicates tape-and-reel packaging for automated assembly processes.

LED Driver IC Replacement Considerations

Consult official Microchip substitution guides for verified alternatives. Generic equivalents may not support the specific digital brightness control or internal Schottky configuration.