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TLE4254GAXUMA3

TLE4254GAXUMA3 Description

The TLE4254GAXUMA3 is a linear voltage regulator from Infineon Technologies, part of the OPTIREG™ series designed for automotive applications. This regulator offers an adjustable output voltage with a maximum input voltage of 45V and a maximum output current of 70mA. It features a positive output configuration and a low dropout voltage of 0.4V at 70mA, making it suitable for applications where efficiency and space are critical. The regulator includes an enable control feature and robust protection mechanisms such as over-temperature, reverse polarity, and short-circuit protection. Despite being marked as obsolete, the TLE4254GAXUMA3 remains a reliable choice for specific automotive applications due to its high performance and durability.

TLE4254GAXUMA3 Features

• Adjustable Output Voltage: The TLE4254GAXUMA3 provides a tracking output voltage, allowing for flexible voltage regulation to meet specific system requirements.
• High Input Voltage Range: With a maximum input voltage of 45V, this regulator is well-suited for automotive systems that may experience voltage fluctuations.
• Low Dropout Voltage: The maximum dropout voltage of 0.4V at 70mA ensures high efficiency, even at low input-to-output voltage differentials.
• Enable Control Feature: The enable function allows for dynamic control of the regulator, enabling power savings and enhanced system flexibility.
• Protection Features: Comprehensive protection mechanisms, including over-temperature, reverse polarity, and short-circuit protection, enhance the reliability and robustness of the regulator.
• Low Quiescent Current: A quiescent current of 80 µA minimizes power consumption during standby, contributing to overall system efficiency.
• High PSRR: A power supply rejection ratio (PSRR) of 60dB at 100Hz ensures that the regulator can effectively filter out noise from the input supply, maintaining stable output voltage.
• Automotive Grade: Certified for automotive use, the TLE4254GAXUMA3 meets the stringent reliability and performance standards required for automotive applications.
• Surface Mount Packaging: The surface mount package type facilitates easy integration into compact and high-density designs.

TLE4254GAXUMA3 Applications

The TLE4254GAXUMA3 is ideal for automotive applications where space constraints and high efficiency are critical. Its adjustable output voltage and low dropout characteristics make it suitable for powering sensitive electronic systems in vehicles, such as:

• Instrument Clusters: Providing stable and adjustable voltage to ensure accurate readings and reliable operation.
• ECUs (Electronic Control Units): Ensuring consistent power supply to critical control units, enhancing overall system reliability.
• Infotainment Systems: Delivering efficient power to in-car entertainment systems, maintaining performance even during voltage fluctuations.
• Sensor Systems: Supplying stable voltage to various sensors, ensuring accurate data collection and processing.

Conclusion of TLE4254GAXUMA3

The TLE4254GAXUMA3, despite being marked as obsolete, remains a valuable component in the automotive electronics industry. Its adjustable output voltage, low dropout characteristics, and comprehensive protection features make it an ideal choice for applications requiring high efficiency and reliability. The regulator's ability to operate within a wide input voltage range and its low quiescent current further enhance its suitability for automotive systems. For engineers and designers working on automotive projects, the TLE4254GAXUMA3 offers a robust and reliable solution for power management needs.