IFX25401TEV50ATMA1

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

The IFX25401TEV50ATMA1 is a fixed-output low-dropout (LDO) linear voltage regulator manufactured by Infineon Technologies. It provides a nominal output voltage of 5 V with a maximum continuous output current of 400 mA. The device supports an input voltage range from 5.5 V to 40 V and features a typical dropout voltage of 250 mV at full load. Packaged in a TO-252-5 surface-mount format, it operates within a temperature range of -40°C to +125°C.

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

• Integrated protection mechanisms including overcurrent limiting, thermal shutdown, reverse polarity blocking, and short-circuit protection.
• High power supply rejection ratio (PSRR) of 54 dB at 100 Hz for effective noise filtering.
• Low quiescent current consumption of 220 µA to minimize standby power loss.

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

• General-purpose linear voltage regulation in industrial control systems
• Power conditioning for automotive electronic modules
• Biasing circuits in telecommunications infrastructure equipment

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

Verify component authenticity through authorized distribution channels due to the prevalence of counterfeits in the power management sector. Confirm that the package marking matches the official Infineon datasheet specifications for the TO-252-5 variant. Ensure storage conditions comply with moisture sensitivity level requirements prior to soldering.

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

Select this component when a robust 5 V rail is required from higher input voltages up to 40 V. The TO-252-5 package offers superior thermal dissipation compared to smaller SOT packages, making it suitable for applications where heat generation is a concern. Verify that the 400 mA current rating meets the peak load demands of the target circuit design.

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

This part belongs to the IFX25401 series of LDO regulators designed for high-voltage input applications. It serves as a reliable power management solution for systems requiring stable voltage regulation under varying load and line conditions. The series is characterized by its ruggedness and integrated safety features, targeting demanding industrial and automotive environments.

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

The TLE42764GV50ATMA1 is documented as a direct substitute for this discontinued component. Verify pin compatibility and thermal performance characteristics before implementing any alternative replacement in existing designs.