FAN1084D15X

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

The FAN1084D15X is a low dropout linear regulator manufactured by Fairchild Semiconductor, providing a fixed 1.5V output with a maximum current capability of 4.5A. Designed for low voltage applications such as VTT bus termination, it features fast transient response and on-chip thermal limiting protection. The device operates within an input supply range of 5V or less and is housed in surface-mount packages including TO-263 center cut and TO-252 (DPAK).

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

• Provides a fixed 1.5V output voltage suitable for GTL+ bus VTT termination.
• Delivers up to 4.5A output current with low dropout characteristics.
• Includes on-chip thermal limiting to protect against excessive junction temperatures.

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

• GTL+ bus VTT termination
• Low voltage microprocessor applications
• Desktop PCs and embedded processors' supply

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

Verify the manufacturer part number FAN1084D15X against official Fairchild or ON Semiconductor datasheets to confirm the fixed 1.5V output and 4.5A rating. Ensure the package type matches your PCB design requirements, typically TO-263 or TO-252. Confirm RoHS compliance status if required for your manufacturing process.

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

Select this component when a stable 1.5V rail is needed for high-current logic loads like VTT termination. It is suitable for systems requiring fast transient response from a 5V or lower input source. Consider its thermal performance and package options relative to your board's heat dissipation capabilities.

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

This part belongs to the FAN1084 series of low dropout regulators, which also includes variants like the FAN1084D33 (3.3V) and adjustable versions. These devices are optimized for low voltage digital logic supplies where minimal input-to-output voltage difference is critical for efficiency and stability.

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

Compatible substitutes include other 1.5V LDOs with similar current ratings, such as the FAN1084-1.5. Verify pinout compatibility and thermal resistance values before substitution.