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TLE4473GV55AUMA1

TLE4473GV55AUMA1 Description

The TLE4473GV55AUMA1 is a linear voltage regulator from Infineon Technologies, designed for automotive applications. This device features a fixed output voltage of 5V with tracking capabilities, making it suitable for applications requiring precise voltage regulation. It supports two regulators, each capable of providing output currents of 190mA and 300mA. The regulator operates with a maximum input voltage of 42V and has a dropout voltage of 0.6V at both 100mA and 200mA, ensuring efficient performance even at low input-to-output differentials.

TLE4473GV55AUMA1 Features

• Output Type: Fixed 5V with tracking, providing stable voltage regulation.
• Input Voltage Range: Up to 42V, suitable for a wide range of automotive power supplies.
• Output Current: Dual regulators with capabilities of 190mA and 300mA, offering flexibility in power delivery.
• Low Dropout Voltage: 0.6V at 100mA and 200mA, enhancing efficiency in low-voltage scenarios.
• Control Features: Inhibit, reset, and watchdog functions for enhanced control and reliability.
• Protection Features: Overcurrent, overtemperature, and short-circuit protection to safeguard the device and connected circuits.
• Supply Current: Maximum of 20mA, ensuring minimal power consumption.
• Quiescent Current: Low at 200µA, contributing to energy efficiency.
• PSRR: 65dB at 100Hz, ensuring high noise rejection and clean output voltage.
• Package Type: Surface mount DSO12-6, suitable for compact and robust designs.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory standards are met.

TLE4473GV55AUMA1 Applications

The TLE4473GV55AUMA1 is ideal for automotive applications where reliable and precise voltage regulation is required. Its dual regulators and tracking capabilities make it suitable for systems needing multiple voltage levels or redundancy. The low dropout voltage and high PSRR ensure efficient operation and noise-free performance, making it perfect for sensitive electronic systems such as:

• Automotive Control Units: Providing stable power to microcontrollers and sensors.
• Infotainment Systems: Ensuring clean power supply for audio and display components.
• Safety Systems: Reliable power for critical safety modules like airbag controllers and anti-lock braking systems.

Conclusion of TLE4473GV55AUMA1

The TLE4473GV55AUMA1 from Infineon Technologies is a robust linear voltage regulator designed for automotive applications. Its dual regulators, low dropout voltage, and comprehensive protection features make it a reliable choice for demanding environments. While the product is now obsolete, its legacy continues in systems where it has been integrated, offering stable and efficient power regulation. For new designs, engineers may need to consider alternative solutions, but the TLE4473GV55AUMA1 remains a benchmark for performance and reliability in automotive voltage regulation.