The Infineon TLE4274DV3 is a monolithic integrated low dropout voltage regulator (LDO) designed for automotive and industrial applications. It provides a stable and regulated 5V output voltage with a current capability of up to 400mA. The regulator is designed to withstand harsh automotive environments and offers various protection features.
Applications:
- Automotive ECUs (Engine Control Units).
- Body Control Modules (BCM).
- Dashboard Electronics.
- Industrial Control Systems.
- Microcontroller Power Supplies.
Features:
- Output Voltage: 5V ±2% accuracy.
- Low Dropout Voltage: Ensures stable output voltage even with low input voltage.
- Output Current Capability: Up to 400mA.
- Wide Input Voltage Range: 6V to 42V.
- Overvoltage Protection: Protects the regulator and connected loads from overvoltage conditions.
- Short Circuit Protection: Protects the regulator from damage due to short circuits.
- Overtemperature Protection: Shuts down the regulator in case of excessive temperature.
- Reverse Polarity Protection: Protects the regulator from damage if the input voltage is connected with reverse polarity.
- Reset Function: Provides a reset signal to a microcontroller when the output voltage drops below a certain threshold.
Benefits:
- Stable Power Supply: Provides a stable and regulated 5V output voltage for sensitive electronic components.
- Robust Protection: Comprehensive protection features ensure reliable operation in harsh environments.
- Easy Integration: Simple external circuitry required for operation.
- Automotive Qualified: Meets the stringent requirements of the automotive industry.
- Improved System Reliability: Protection features prevent damage to the regulator and connected loads, enhancing system reliability.
Additional Details:
The TLE4274DV3 is typically packaged in a PG-DSO-8 package. It features a quiescent current of typically 4mA. The dropout voltage is typically 350mV at 400mA. The regulator also includes a reset output with a programmable delay time. Further technical details, including thermal resistance and transient response, can be found in the Infineon datasheet.
This LDO regulator is designed for applications requiring a reliable and protected 5V power supply. Its automotive qualification and comprehensive protection features make it a suitable choice for automotive electronics and other demanding applications.