MIC3203YM-TR

LED Driver IC Overview

The MIC3203YM-TR is a hysteretic step-down, constant-current High-Brightness LED driver controller manufactured by Microchip Technology. It operates within an input voltage range of 4.5 V to 42 V and delivers a maximum output current of 1 A. The device functions at a switching frequency of 1.5 MHz and supports a maximum supply voltage of 42 V with a minimum of 4.5 V. It is housed in an 8-pin SOIC package and is rated for operation between -40°C and +125°C. The controller features high-side current sensing and includes a fixed 5 V output reference.

LED Driver IC Feature Summary

• Hysteretic control architecture for stable constant-current regulation
• Integrated high-side current sense capability
• Wide input voltage range supporting various power sources

LED Driver IC Applications

• Interior lighting systems
• Exterior lighting systems
• High-brightness LED arrays

LED Driver IC Procurement Notes

Verify the specific suffix 'TR' indicates tape-and-reel packaging when sourcing. Confirm the component is assembled at the MTAI site as per recent manufacturer notifications. Ensure compatibility with the 8L SOIC (.150in) package dimensions. Check for RoHS compliance status through official datasheets. Validate that the ordering part number matches the exact electrical specifications required for the design.

LED Driver IC Selection Notes

Select this component for designs requiring a buck topology with hysteretic control. It is suitable for applications needing high-side current sensing without external shunt resistors. Consider the 1.5 MHz frequency for passive component size optimization. Verify thermal performance within the -40°C to +125°C operating range. Ensure the input voltage stays within the 4.5 V to 42 V limits.

LED Driver IC Part Context

The MIC3203YM-TR belongs to the MIC3203 family of LED lighting drivers. It is specifically designed as a solution for interior and exterior high-brightness LED applications. The part serves as a controller for step-down conversion, providing constant current drive. It is distinct from the MIC3203-1 variant in specific internal configurations.

LED Driver IC Replacement Considerations

MIC3203YM is the non-tape-and-reel equivalent. MIC3203-1YM-TR is a related variant within the same product family.