FAN2559S15X

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

The FAN2559S15X is a fixed-output linear low-dropout (LDO) voltage regulator manufactured by Fairchild Semiconductor. It provides a stable 1.5V output with a maximum load current of 180mA. The device operates from an input voltage range up to 5.5V and features a typical dropout voltage of 180mV at full load. Integrated protection mechanisms include overcurrent limiting and thermal shutdown to ensure reliability under fault conditions. The component supports enable control and power-good signaling, packaged in a compact 6-DFN format for surface-mount applications.

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

• Fixed 1.5V output voltage configuration
• Integrated overcurrent and thermal protection
• Enable pin and power-good status indication

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 'S15X' against official datasheets to confirm the 1.5V fixed output variant. Ensure compatibility with the 6-DFN package footprint and check for RoHS compliance status. Confirm availability as some variants may be discontinued or subject to supply constraints.

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

Select this regulator when a precise 1.5V rail is required with moderate current demands up to 180mA. Consider its low quiescent current and small footprint for space-constrained designs. Evaluate input-to-output voltage differential to ensure operation within specified dropout limits and thermal performance requirements.

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

This component belongs to the FAN2559 series of low-power LDO regulators designed for portable applications. The series offers various fixed output voltages in a unified 6-DFN package, simplifying inventory management while providing consistent electrical characteristics and protection features across different voltage options.

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

Check for direct pin-compatible alternatives within the same series offering different fixed voltages if system requirements change. Verify that any substitute maintains similar dropout characteristics and current capabilities.