The TLE4276-2GV is a monolithic integrated low-dropout voltage regulator designed for use in automotive applications. It is capable of supplying a stable 5V output voltage with a current capability of up to 400mA. The regulator features a wide input voltage range, making it suitable for various automotive battery conditions.

Applications

• Automotive ECUs (Engine Control Units): Providing stable power for microcontrollers and other sensitive components.
• Body Control Modules: Powering various body electronics, such as lighting, wipers, and door locks.
• Dashboard Electronics: Regulating voltage for instrument clusters and displays.
• Infotainment Systems: Supplying power to audio and navigation systems.
• Industrial Control Systems: Suitable for applications requiring a stable 5V power supply.

Features

• Low Dropout Voltage: Ensures stable output voltage even with low input voltage.
• Output Voltage Tolerance ≤ ±2%: Provides precise voltage regulation.
• Integrated Over-Temperature Protection: Protects the regulator from thermal damage.
• Short-Circuit Protection: Protects the regulator and the load from short circuits.
• Reverse Polarity Protection: Prevents damage from incorrect battery polarity.
• Wide Input Voltage Range: Operates from 3.0V to 45V.
• Quiescent Current: Very low quiescent current consumption.
• Reset Function: Integrated reset function for microcontroller supervision.
• Enable Function: Integrated enable function to turn on or off the regulator.

Benefits

• High Reliability: Designed for harsh automotive environments.
• Stable Power Supply: Provides a consistent and reliable 5V output.
• Protection Features: Prevents damage from various fault conditions.
• Compact Size: Suitable for space-constrained applications.
• Cost-Effective: Provides a high-performance solution at a competitive price.
• Simplified Design: Reduces the number of external components required.

Additional Details

The TLE4276-2GV is available in a PG-TO252-5 package. It features a typical dropout voltage of 300mV at 400mA. The reset threshold voltage is typically 4.65V. The operating temperature range is -40°C to 150°C. The device also includes a watchdog timer to supervise the microcontroller’s operation, enhancing system reliability.