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MIC39501-1.8BU is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is IC REG LINEAR 1.8V 5A TO263-5. Review the specifications below when checking this part for your BOM.
The MIC39501-1.8BU is a fixed positive low-dropout linear voltage regulator providing a 1.8V output with a maximum dropout voltage of 0.575V at 5A load current. It supports an input voltage range from 2.25V to 16V and operates within a temperature range of -40°C to 125°C. The device utilizes Super Beta PNP technology for high efficiency and features integrated overcurrent, overtemperature, and reverse polarity protection.
Verify the specific suffix 'BU' against official Microchip documentation to confirm package type and tape/reel specifications. Ensure compatibility with RoHS and REACH standards as indicated in the datasheet. Confirm availability status directly with authorized distributors as product lifecycle stages may vary.
Select this component when a fixed 1.8V output is required with up to 5A continuous current capability. Consider the TO-263 package for surface-mount applications requiring thermal performance. Evaluate the 0.575V dropout specification against the minimum available input voltage to ensure regulation under all operating conditions.
This part belongs to the MIC39500/39501 family of 5A µCap Low-Voltage LDO regulators manufactured by Microchip Technology (formerly Micrel). The series is designed for applications needing minimal external components while delivering high current with low noise and fast transient response characteristics.
Compatible substitutes include MIC39500-1.8BU for adjustable output variants or MIC39501-1.8WUTR for different packaging options within the same functional family. Verify pinout and thermal pad configurations before substitution.
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