FAN2501S30X

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

The FAN2501S30X is a low-dropout linear voltage regulator manufactured by Fairchild Semiconductor, now part of onsemi. It provides a fixed 3.0 V output with a maximum load current of 150 mA. The device operates within an input voltage range of 2.7 V to 6.5 V and features a typical dropout voltage of 2.5 mV at light loads, rising to a maximum of 180 mV at full load. It offers a line regulation of 0.3% per volt and a load regulation of 2%. The unit is housed in a SOT-23-5 surface-mount package and supports an operating temperature range from -40°C to +125°C.

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

• Provides a stable fixed 3.0 V output for sensitive digital logic and analog circuits
• Ensures high power supply rejection through low-noise CMOS architecture
• Incorporates internal protection mechanisms against thermal overload and short-circuit conditions

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

• Portable battery-powered consumer electronics requiring efficient voltage regulation
• Wireless communication modules and handheld devices
• Embedded systems utilizing microcontrollers and memory components

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

Verify component authenticity due to the acquisition of Fairchild Semiconductor by onsemi. Confirm that the specific suffix indicates the correct output voltage and packaging variant. Check for RoHS compliance status as manufacturing processes may have evolved. Ensure the source document matches the exact part number to avoid confusion with similar LDO regulators in the series.

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

Select this regulator when a fixed 3.0 V rail is required with moderate current demands up to 150 mA. It is suitable for applications where space is constrained due to the compact SOT-23-5 footprint. Consider the input voltage headroom requirements relative to the specified dropout characteristics. Evaluate thermal performance based on the expected ambient temperature and load current.

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

This component belongs to the FAN250x series of CMOS low-dropout regulators designed for portable applications. The series includes variants with different output currents and fixed voltage options. Fairchild Semiconductor developed these parts before being acquired by onsemi, which continues to support the product line under the onsemi brand.

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

Direct pin-compatible substitutes include other 3.0 V LDOs with similar current ratings such as the MIC5255-3.0YD5-TR. Verify that alternative components meet the same electrical specifications and package dimensions for seamless integration.