The TLE4276SV10 is a monolithic integrated low-dropout voltage regulator designed for use in automotive applications and other systems requiring a stable voltage supply even under harsh conditions. This regulator provides a regulated output voltage of 5V with a typical current capability of up to 400mA. It features a wide input voltage range, making it suitable for environments with fluctuating power sources. The device incorporates protection features to ensure safe and reliable operation.

Applications:

• Automotive electronic control units (ECUs)
• Microcontroller power supply
• Sensor power supply
• Industrial control systems
• General-purpose voltage regulation

Features:

• Output Voltage: 5V ±2%
• Low Dropout Voltage: Typically 400mV at 400mA
• Wide Input Voltage Range: Up to 42V
• Reverse Polarity Protection: Protects against damage from incorrect power supply connection
• Short-Circuit Protection: Limits output current during short-circuit conditions
• Overtemperature Protection: Shuts down the regulator if the junction temperature exceeds a safe limit
• Reset Function: Integrated reset output for monitoring the output voltage level
• Enable Function: Allows the regulator to be switched on and off externally
• Low Quiescent Current: Minimizes power consumption when the regulator is not actively supplying a load
• PG-DSO-14 Package: Compact surface-mount package for efficient thermal dissipation

Benefits:

• Stable Voltage Supply: Provides a consistent 5V output, ensuring reliable operation of connected devices.
• Robust Protection Features: Safeguards against damage from common electrical issues, enhancing system reliability.
• Efficient Power Management: Low dropout voltage and quiescent current contribute to improved energy efficiency.
• Easy Integration: The compact package and enable function simplify design and implementation.
• Automotive Qualified: Suitable for use in demanding automotive environments.

Additional Details:

The TLE4276SV10 also features an integrated reset function, which monitors the output voltage and asserts a reset signal if the voltage falls below a certain threshold. This can be used to prevent microcontrollers from operating with an insufficient supply voltage. The enable function allows the regulator to be switched on and off externally, reducing power consumption when the regulator is not needed. The device is available in a PG-DSO-14 package, which provides good thermal performance and is suitable for surface-mount assembly.

The low dropout voltage ensures that the regulator can maintain a stable output voltage even when the input voltage is close to the desired output voltage. This is particularly important in battery-powered applications, where the battery voltage can decrease over time. The wide input voltage range allows the regulator to be used with a variety of power sources. The device is designed to meet the stringent requirements of automotive applications, including operation over a wide temperature range and tolerance to harsh environmental conditions.