MIC24045-DIYFL-TR

Voltage Regulators - DC DC Switching Regulators Overview

The MIC24045-DIYFL-TR is a high-efficiency, I²C programmable, synchronous step-down converter from Microchip Technology. It features a wide input voltage range of 4.5V to 19V and delivers up to 5A of output current. The device supports an adjustable output voltage range from 640mV to 5.25V with a fixed switching frequency of 1.2MHz. It operates within a temperature range of -40°C to +125°C and draws only 200nA of quiescent current. Packaged in a 20-pin PowerVFQFN, it requires minimal external components for implementation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• I²C programmable interface allows dynamic adjustment of output voltage and other parameters via serial communication.
• High-efficiency synchronous buck topology minimizes power loss across the specified input and load ranges.
• Wide input voltage range accommodates various supply sources without requiring additional pre-regulation stages.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for industrial equipment
• Power management in embedded systems requiring programmable voltage rails
• Telecommunications infrastructure powering logic and peripheral circuits

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'DIYFL' against official Microchip documentation to confirm pinout compatibility and thermal pad configuration. Ensure the ordering quantity matches the tape-and-reel packaging specifications provided in the datasheet. Cross-reference the RoHS compliance status with the latest manufacturer release notes before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when dynamic voltage scaling via I²C is required for system optimization. The 5A current capability suits moderate-power applications, while the 1.2MHz frequency allows for compact passive component selection. Consider the 20-pin PowerVFQFN package for its thermal performance and space efficiency in dense PCB layouts compared to larger packages.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the MIC24045 family of synchronous step-down converters. The family is characterized by I²C programmability and high efficiency. Variants within the series differ primarily in package types and thermal ratings, but share the core control architecture and electrical specifications defined by the MIC24045 model line.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include MIC24045-JFYFL-TR and MIC24045-EIYFL-TR. Verify that the alternative suffixes match the required package dimensions and thermal characteristics. Ensure the replacement part maintains the same I²C addressability and control register map for seamless integration into existing designs.