The TLE4276SV85 is a monolithic integrated low-dropout voltage regulator manufactured by Infineon Technologies (formerly Siemens). It is designed to provide a stable and regulated voltage output for various electronic components and systems. This regulator is known for its low quiescent current and robust protection features, making it suitable for automotive and industrial applications.

Applications

• Automotive ECUs: Used to power microcontrollers and other electronic components in engine control units.
• Body Control Modules: Provides regulated power for various functions in vehicle body control systems.
• Industrial Control Systems: Employed in industrial automation and control equipment for stable power supply.
• Power Supplies: Used as a voltage regulator in power supply units for various applications.

Features

• Low Dropout Voltage: Maintains regulation even with a small difference between input and output voltage.
• Low Quiescent Current: Minimizes power consumption when the output is lightly loaded or not in use.
• Overvoltage Protection: Protects the regulator and connected components from excessive input voltage.
• Short-Circuit Protection: Prevents damage from short circuits on the output.
• Overtemperature Protection: Shuts down the regulator if the temperature exceeds safe limits.

Benefits

• Stable Power Supply: Provides a consistent and reliable voltage output for sensitive electronic components.
• Energy Efficiency: Minimizes power consumption, especially in standby or low-load conditions.
• Robust Protection: Protects the regulator and connected components from various fault conditions.
• Enhanced System Reliability: Improves the overall reliability of electronic systems by providing stable and protected power.

Additional Details

The TLE4276SV85 regulator integrates a control circuit, a pass transistor, and various protection features into a single chip. The low dropout voltage ensures that the regulator can continue to provide a stable output even when the input voltage is close to the desired output voltage. The low quiescent current is particularly important in automotive applications where minimizing battery drain is crucial. The regulator is designed to withstand harsh environmental conditions, including wide temperature variations and voltage transients. The overvoltage, short-circuit, and overtemperature protection features enhance the reliability and safety of the regulator and the connected components. The TLE4276SV85 is typically available in a surface-mount package, making it easy to integrate into modern electronic designs. Infineon's manufacturing expertise ensures that the regulator meets stringent performance specifications and provides a reliable power supply solution. This makes it a popular choice for automotive and industrial applications where stable and protected power is essential.