FAN2503S27X

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

The FAN2503S27X is a low-dropout linear voltage regulator manufactured by onsemi under the Fairchild Semiconductor brand. It provides a fixed output voltage of 2.7 V with a maximum continuous output current of 150 mA. The device operates within an input voltage range from 2.7 V to 6.5 V and features a typical dropout voltage of 2.5 mV at light loads, reaching a maximum of 180 mV under full load conditions. Line regulation is specified at 0.3% per volt, while load regulation remains at 2%. The unit maintains a voltage accuracy of 2% and functions reliably across an extended temperature range from -40°C to +125°C.

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

• CMOS architecture designed for minimal power consumption in portable applications
• Ultra-low dropout characteristic ensures stable regulation near input limits
• Integrated thermal protection safeguards against overheating during operation

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

• Battery-powered consumer electronics requiring efficient voltage regulation
• Portable communication devices utilizing CMOS logic circuits
• Embedded systems operating within wide input voltage variations

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

Verify component authenticity through authorized distribution channels due to discontinued status. Confirm package integrity and pin alignment for SOT-23-5 surface mount compatibility. Review datasheet revisions for any updates regarding electrical characteristics or handling instructions prior to integration into final designs.

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

Select this regulator when a precise 2.7 V rail is required with moderate current demands up to 150 mA. Consider the specific dropout performance relative to battery discharge curves. Ensure input voltage stays within the 2.7 V to 6.5 V operational window to maintain regulation stability and prevent excessive power dissipation.

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

This component belongs to the FAN2503 series of low-power LDO regulators. It shares architectural similarities with other members like the FAN2503S28X, differing primarily in fixed output voltage settings. The series targets applications needing compact packaging and high efficiency in space-constrained environments.

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

Direct substitutes include FAN2503S28X for different voltage requirements within the same current class. Verify pinout compatibility and thermal characteristics when cross-referencing with other LDO families.