STMicroelectronics L4949EDTR-E Voltage Regulator

The L4949EDTR-E from STMicroelectronics is a multifunctional voltage regulator specifically designed for automotive and industrial applications. This device is engineered to deliver a stable supply voltage for electronic control units (ECU) and other systems that require a robust power management solution.

Key Features

• Low Dropout Voltage: The L4949EDTR-E provides excellent performance with a low dropout voltage, ensuring efficient operation even at low input voltages.
• High Precision Output: The regulator maintains a precise output voltage of 5V, which is critical for sensitive automotive electronics that demand consistent power levels.
• Overcurrent Protection: The device includes a built-in overcurrent protection feature that safeguards the system from damage due to excessive current draw.
• Thermal Shutdown: An integrated thermal shutdown mechanism prevents overheating, enhancing the reliability and longevity of both the regulator and the overall system.
• Low Quiescent Current: With its low quiescent current, the L4949EDTR-E is ideal for battery-powered applications where power conservation is paramount.

Applications

The versatility of the L4949EDTR-E makes it suitable for a wide range of applications, including:

• Automotive control units
• Power supplies for microprocessor systems
• Industrial control systems
• Instrumentation and telemetry systems

Technical Specifications

The L4949EDTR-E operates within a temperature range of -40°C to 125°C, accommodating the extreme conditions often encountered in automotive and industrial environments. It comes in a compact SO-8 package, making it easy to integrate into various circuit designs without requiring significant board space.

In summary, the L4949EDTR-E is a highly reliable and efficient voltage regulator from STMicroelectronics, designed to meet the stringent requirements of automotive and industrial electronic systems. Its robust protection features and stable output make it an excellent choice for designers looking to enhance system safety and performance.