MIC29302AWU-TR

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The MIC29302AWU-TR is a high-current, low-dropout linear regulator manufactured by Microchip Technology. It provides an adjustable positive output voltage ranging from 1.25V to 25V with a maximum continuous output current of 3A. The device features a maximum input voltage of 26V and operates within a junction temperature range of -40°C to +125°C. It utilizes a TO-263-5 (D²PAK) surface-mount package. Key electrical characteristics include a typical dropout voltage of 370mV at full load and a reference voltage accuracy of ±1%. The regulator includes enable control and comprehensive protection mechanisms.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• High current capability delivering up to 3A continuous output
• Low dropout voltage for efficient power management near input limits
• Integrated thermal shutdown and current limiting protection
• Logic-level enable pin for zero quiescent current shutdown

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Battery-powered systems requiring extended runtime
• Portable equipment with strict space constraints
• Local regulation for microprocessors and FPGAs
• Noise-sensitive analog circuit power supplies

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific suffix AWU-TR against official Microchip documentation to confirm the exact package variant and tape-and-reel configuration. Ensure compatibility with existing PCB footprints for the TO-263-5 form factor. Confirm that the design accounts for thermal dissipation requirements associated with 3A operation in the selected enclosure environment.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a stable, high-current supply is needed with minimal input-to-output voltage differential. The adjustable output allows flexibility for various logic levels. Consider the thermal resistance of the TO-263-5 package and ensure adequate copper area or heatsinking is available on the PCB to maintain safe operating temperatures under maximum load conditions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This part belongs to the MIC2930x series of LDO regulators, designed using Superβeta PNP technology. The series offers robust performance for demanding applications where standard regulators fail due to high current or low headroom requirements. The MIC29302 variant specifically targets the 3A current class, providing a balance between performance and simplicity compared to switching alternatives.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Direct substitutes include other MIC29302 variants such as MIC29302WU or MIC29302BT, provided the package type matches the board layout. Verify that any replacement maintains the same 3A current rating and 26V maximum input voltage specifications to ensure system reliability.