MIC24046YFL-TR

Voltage Regulators - DC DC Switching Regulators Overview

The MIC24046YFL-TR is a synchronous step-down switching regulator IC manufactured by Microchip Technology. It operates within an input voltage range of 4.5V to 19V and provides a single programmable output adjustable from 0.7V to 3.3V. The device delivers up to 5A of continuous output current. It supports selectable switching frequencies of 400kHz, 565kHz, and 790kHz. Packaged in a 20-PowerVFQFN (3x3mm) surface-mount case, it functions reliably across a junction temperature range of -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for improved efficiency
• Programmable output voltage via external resistor divider
• Selectable switching frequency options for design flexibility
• Compact power package with exposed pad for thermal management

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for embedded systems
• Power supply stages for industrial control equipment
• Voltage conversion for communication infrastructure modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix YFL corresponds to the required 20-QFN 3x3mm package variant. Confirm RoHS3 compliance status if restricted material usage is mandated. Ensure the ordering quantity aligns with standard reel packaging requirements specified by the manufacturer. Cross-reference the datasheet revision date to confirm feature consistency before final procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact, high-current buck regulator is needed for inputs up to 19V. The programmable output allows adaptation to various logic levels. Consider the thermal performance of the 20-QFN package under maximum load conditions. Verify that the chosen switching frequency meets EMI constraints for the target application environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the MIC24045 series of programmable step-down regulators from Microchip. It shares architectural similarities with other members of the family but offers specific current and package configurations. The series targets applications requiring efficient power conversion in space-constrained designs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-compatible alternatives within the same product family. Verify that substitute components support the same 5A output current and 19V maximum input voltage. Ensure thermal characteristics and switching frequency ranges are compatible with existing board layouts.