FAN2558MP12X

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

The FAN2558MP12X is a low-dropout linear voltage regulator manufactured by onsemi. It provides a fixed 1.2 V output with a maximum load current of 180 mA. The device operates within an input voltage range of 2.7 V to 5.5 V and features a typical dropout voltage of 250 mV at full load. It utilizes a compact 6-pin MLP package measuring 2 mm x 2 mm. The regulator includes internal protection mechanisms such as overcurrent limiting and thermal shutdown, ensuring reliable operation across industrial temperature ranges.

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

• Provides stable regulated power for sensitive digital logic circuits requiring precise voltage levels
• Integrates comprehensive protection against overload conditions and excessive heat generation
• Designed for space-constrained applications utilizing a minimal footprint surface-mount package

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

• Portable electronic devices powered by single-cell battery sources
• Embedded systems requiring clean power rails for microcontrollers
• Communication modules needing low-noise voltage regulation

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

Verify the specific suffix designation to confirm the exact output voltage and package variant, as the base part number covers multiple configurations. Confirm availability status as certain variants may be subject to discontinuation notices. Ensure compatibility with existing PCB footprints before procurement, particularly regarding the MLP-6 package dimensions and thermal requirements.

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

Select this component when a fixed 1.2 V rail is required from a 2.7 V to 5.5 V supply source. Consider the 180 mA current capability against peak load demands to ensure adequate headroom. Evaluate the MLP-6 package suitability for thermal management in dense layouts compared to alternative SOT-23-5 options if higher current or different pinouts are needed.

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

This component belongs to the FAN2558 series of low-voltage CMOS LDO regulators. The series offers various fixed output voltages and packaging options to support diverse power management needs. The MLP-6 variant specifically targets applications demanding minimal board space while maintaining high performance standards typical of onsemi's power management portfolio.

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

Public confirmed substitute part numbers: LD39015M12R (STMicroelectronics). Verify pinout compatibility and electrical specifications before substitution.