MIC2289C-34YD6-TR

LED Driver IC Overview

The MIC2289C-34YD6-TR is a PWM boost switching regulator optimized for constant-current white LED driver applications. It operates with an input voltage range of 2.5V to 10V and supports a maximum output voltage of 34V. The device features an internal Schottky diode and overvoltage protection (OVP). It utilizes a TSOT-23-6 package and functions within a temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Integrates an internal Schottky diode to reduce external component count
• Includes overvoltage protection circuitry for enhanced system reliability
• Supports pulse-width modulation for precise brightness control

LED Driver IC Applications

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

LED Driver IC Procurement Notes

Verify the specific suffix 'YD6' corresponds to the TSOT-23-6 package variant when sourcing. Confirm that the 'TR' designation indicates tape-and-reel packaging, typically in quantities of 3000 units per reel. Ensure compatibility with the required 34V output rating for the target LED string configuration before finalizing procurement orders.

LED Driver IC Selection Notes

Select this component for designs requiring a compact solution for white LED driving without external rectifier diodes. The integrated OVP provides protection against open-load conditions. Consider the 1.2MHz switching frequency for balancing efficiency and passive component size. Verify thermal performance within the specified junction temperature limits during operation.

LED Driver IC Part Context

This part belongs to the MIC2289 family of LED drivers manufactured by Microchip Technology. It is designed as a standalone regulator configurable for various current levels using external resistors. The device eliminates the need for microcontrollers in basic lighting control applications, offering a cost-effective and space-efficient power management solution.

LED Driver IC Replacement Considerations

Check datasheets for MIC2289 variants with different output voltage ratings or package types. Ensure substitute parts maintain compatible input voltage ranges and support the required PWM dimming interface. Verify pinout compatibility if direct replacement is intended.