IFX25001TCV85ATMA1

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

The IFX25001TCV85ATMA1 is a discontinued positive fixed linear voltage regulator from Infineon Technologies, belonging to the OPTIREG™ LDO family. It provides a fixed 8.5V output with a maximum continuous current of 400mA. The device features a wide input voltage range up to 40V and maintains a low dropout voltage of 0.5V at 250mA load. Key electrical parameters include a static current (Iq) of 220 µA, a supply current of 30 mA maximum, and a Power Supply Rejection Ratio (PSRR) of 60dB at 100Hz. It is housed in a PG-TO263-3-1 surface-mount package and operates within a temperature range of -40°C to 125°C.

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

• Integrated protection against overcurrent, overtemperature, reverse polarity, and short circuits.
• Optimized for automotive applications with high robustness against negative transient voltage spikes.
• Low static current consumption suitable for battery-connected systems.

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

• Automotive engine control units
• Body electronics modules
• Sensor power supply conditioning

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

This component has reached end-of-life status and is no longer manufactured by Infineon Technologies. Procurement must focus on identifying verified replacement parts or alternative sources for obsolete inventory. Verify that any substitute component matches the required pinout, thermal characteristics, and electrical specifications to ensure system compatibility without redesigning the PCB layout.

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

Select this part only if legacy design compatibility is mandatory. For new designs, consider modern equivalents within the OPTIREG™ portfolio that offer improved efficiency or updated packaging. Ensure the selected replacement supports the 40V input requirement and 400mA output capability while maintaining the necessary PSRR and thermal performance for the specific application environment.

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

The IFX25001 series represents a line of high-performance linear regulators designed specifically for harsh automotive environments. These devices utilize advanced silicon technology to provide stable voltage regulation under varying load and temperature conditions. The TCV85 variant specifically targets applications requiring an 8.5V rail, commonly found in older automotive electronic architectures.

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

Direct substitutes are not explicitly listed in public documentation for this specific suffix. Review the TLE4274 series or other OPTIREG™ LDOs with matching 8.5V output and TO-263 packages. Verify thermal resistance and pin configuration before substitution.

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

What is the maximum input voltage for the IFX25001TCV85ATMA1?

The maximum input voltage is 40V.

Does this regulator support reverse polarity protection?

Yes, it includes integrated protection against reverse polarity.