FAN2559MP12X

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

The FAN2559MP12X is a linear low-dropout (LDO) voltage regulator manufactured by Fairchild Semiconductor. It provides a fixed positive output voltage of 1.2V with a maximum continuous output current of 180mA. The device operates from an input voltage range up to 5.5V and features a quiescent current of 150µA. It includes protection functions such as overcurrent and thermal shutdown, and supports enable and power-good control signals.

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

• Fixed 1.2V output voltage configuration
• Integrated overcurrent and thermal shutdown protection
• Supports enable pin and power-good signal functionality

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

• Portable electronic devices requiring stable low-voltage rails
• Battery-powered systems needing efficient linear regulation
• Embedded circuits utilizing CMOS logic families

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

Verify the specific suffix 'MP12X' confirms the 1.2V fixed output variant. Confirm package type matches 6-DFN requirements. Check manufacturer status for availability as some variants may be discontinued. Ensure supply chain sources provide original Fairchild or onsemi documentation.

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

Select this component when a precise 1.2V rail is required with moderate current demands up to 180mA. Consider the 5.5V maximum input limit and dropout characteristics relative to your battery or supply source. Evaluate the need for power-good signaling in system monitoring applications.

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

This part belongs to the FAN2559 series of LDO regulators. Variants within this series differ primarily by their fixed output voltage settings, such as 1.0V, 1.3V, 1.5V, and 1.8V, while sharing identical packaging, current ratings, and protection features.

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

Direct substitutes include other FAN2559 variants with different fixed voltages if the voltage requirement changes, provided the package and pinout remain compatible. Cross-reference with onsemi datasheets for updated equivalents.