FAN1581M15X

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

The FAN1581M15X is a fixed-output ultra-low dropout linear regulator manufactured by Fairchild Semiconductor. It provides a stable 1.5V output with a maximum current capability of 5A. The device is designed for low voltage applications, featuring an input voltage range from 1.75V to 6.5V. It utilizes a TO-252-5 (DPAK) surface-mount package and includes integrated thermal limiting protection.

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

• Ultra-low dropout voltage performance optimized for minimal power dissipation
• High current output capability suitable for demanding logic loads
• Integrated thermal limiting for enhanced operational safety

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

• GTL+ bus VTT termination
• Low voltage microprocessor supplies
• Embedded processor power regulation

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

Verify the specific suffix 'M15X' against the manufacturer's official documentation to confirm the fixed 1.5V output configuration and TO-252-5 packaging. Ensure compatibility with system requirements regarding input voltage ranges and thermal management constraints before procurement.

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

Select this component for designs requiring precise 1.5V regulation at high currents. Consider the TO-252-5 package for its thermal performance in space-constrained layouts. Evaluate the dropout characteristics relative to the minimum available input voltage to ensure stable operation under all load conditions.

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

This part belongs to the FAN1581 family of ultra-low dropout regulators. The series includes adjustable variants and other fixed outputs such as 1.2V and 2.5V versions. These devices are engineered for critical low-voltage digital systems where transient response and tight input voltage margins are essential.

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

Direct substitutes include the FAN1581-1.5 and FAN1581MX_Q if pinout and electrical specifications match. Verify package compatibility and thermal resistance values when considering alternative manufacturers or updated revisions within the same product line.