MIC2297-15YML-TR

LED Driver IC Overview

The MIC2297-15YML-TR is a 600kHz PWM boost-switching regulator optimized for driving white LEDs. It features an internal 40V switch and a guaranteed switch current of 1.2A, enabling the drive of up to 10 series-connected WLEDs at 20mA. The device operates with an input voltage range of 2.5V to 10V and supports output voltages up to 30V. With an output power capacity of 3.6W, it facilitates high-brightness LED applications while eliminating the need for multiple ballast resistors through precise current regulation.

LED Driver IC Feature Summary

• Integrated 40V internal switch designed for efficient white LED string driving
• Optimized 600kHz PWM switching frequency for compact external component sizing
• Guaranteed 1.2A switch current capability ensures stable operation across load variations

LED Driver IC Applications

• Mobile phone backlight systems
• Portable electronic device illumination
• High-brightness white LED arrays

LED Driver IC Procurement Notes

Verify the specific suffix '15YML-TR' against official Microchip documentation to confirm pinout and electrical tolerances. Ensure compatibility with the target PCB footprint, specifically the 10-pin DFN EP package. Confirm that the intended application voltage requirements align with the 2.5V to 10V input range specified in the datasheet before finalizing procurement orders.

LED Driver IC Selection Notes

Select this component when designing circuits requiring a compact solution for driving 6 to 10 series white LEDs. The 600kHz frequency allows for smaller inductors compared to lower-frequency alternatives. Ensure the design accounts for the 40V switch rating to handle transient voltage spikes common in boost converter topologies during startup or load changes.

LED Driver IC Part Context

This part belongs to the MIC2297 family of LED drivers manufactured by Microchip Technology. It is a successor to Micrel semiconductor products, maintaining functional compatibility while adhering to updated manufacturing standards. The device is categorized under PMIC - LED Drivers and is distinct from the MIC2295 and MIC2298 variants which offer different switching frequencies and power capabilities.

LED Driver IC Replacement Considerations

Direct substitutes include other MIC2297 variants with compatible suffixes such as MIC2297-42YML-TR, provided the electrical parameters match the design requirements. Verify package integrity and thermal performance when swapping between different suffix codes within the same family.