MIC3287-24YD6-TR

LED Driver IC Overview

The MIC3287-24YD6-TR is a pulse-width modulated (PWM) step-up switching regulator optimized for constant current white LED driving. It operates with an input voltage range of 2.8V to 6.5V and features an internal switch. The device provides a maximum output voltage of 36V and supports an output current of 350mA. It functions at a fixed frequency of 1.2MHz and includes 24V overvoltage protection. The component is housed in a SOT-23-6 package and is rated for operation between -40°C and +125°C.

LED Driver IC Feature Summary

• Integrated PWM dimming capability for precise brightness control
• Built-in overvoltage protection to safeguard connected LEDs
• Compact surface-mount packaging suitable for space-constrained designs

LED Driver IC Applications

• White LED backlighting systems
• Portable electronic device illumination
• General LED lighting driver circuits

LED Driver IC Procurement Notes

Verify the specific suffix '24' indicates the integrated 24V overvoltage protection feature as documented in official Microchip datasheets. Confirm the SOT-23-6 package designation matches the required footprint. Ensure compatibility with the specified 1.2MHz operating frequency and 350mA output current limits for the target application design.

LED Driver IC Selection Notes

Select this component when a boost topology is required for single white LED strings. Consider the 2.8V to 6.5V input range for battery-powered applications. The SOT-23-6 package offers a compact solution compared to larger alternatives. Verify that the 36V output voltage ceiling meets the forward voltage requirements of the LED array.

LED Driver IC Part Context

This part belongs to the MIC3287 family of LED drivers manufactured by Microchip Technology, formerly Micrel. The series focuses on efficient power management for portable lighting. The '-24' variant specifically denotes the inclusion of overvoltage protection thresholds, distinguishing it from other variants in the same product line.

LED Driver IC Replacement Considerations

The MIC3287YD5-TR is a related variant within the same family but utilizes a TSOT-23-5 package instead of SOT-23-6. Verify pinout compatibility before substitution. Other parts in the MIC3287 series may lack the specific 24V OVP feature or differ in package dimensions.