STMicroelectronics

L4940D2T5-TR

L4940D2T5-TR Description

The L4940D2T5-TR is a high-performance linear voltage regulator designed and manufactured by STMicroelectronics. This device is part of the Linear & Switching Voltage Regulators category and is known for its fixed output voltage of 5V and a maximum output current of 1.5A. The regulator is housed in a D2PAK package, suitable for surface mount applications, and is compliant with the RoHS3 standard, making it an environmentally friendly choice.

L4940D2T5-TR Features

• Fixed Output Voltage: Delivers a stable 5V output, ideal for applications requiring a consistent power supply.
• High Output Current: Capable of delivering up to 1.5A, making it suitable for devices with higher power demands.
• Low Dropout Voltage: With a maximum dropout of 0.9V @ 1.5A, it maintains high efficiency even under heavy load conditions.
• Single Regulator Design: Simplifies circuit design with a single output configuration.
• Positive Output Configuration: Facilitates straightforward integration into positive voltage systems.
• Low Quiescent Current: Consumes only 8 mA in quiescent mode, reducing power loss in battery-operated devices.
• Excellent PSRR: Offers 68dB at 120Hz, ensuring minimal noise coupling from the input to the output.
• Protection Features: Includes over-temperature, reverse polarity, and short-circuit protection, enhancing device reliability.
• REACH Unaffected Status: Compliant with REACH regulations, ensuring safe use in electronic products.

L4940D2T5-TR Applications

The L4940D2T5-TR is ideal for a variety of applications where a stable and efficient power supply is critical:

• Portable Electronics: Due to its low quiescent current, it is perfect for battery-powered devices like smartphones and tablets.
• Industrial Controls: Reliable in providing a stable power supply for sensors and control systems in industrial settings.
• Automotive Electronics: Its ability to handle high currents makes it suitable for automotive electronics, such as infotainment systems.
• Telecommunications: Can be used in base stations and other telecom equipment requiring a stable 5V power supply.

Conclusion of L4940D2T5-TR

The L4940D2T5-TR from STMicroelectronics stands out for its combination of high output current, low dropout voltage, and robust protection features. Its fixed 5V output and positive configuration make it a versatile choice for a wide range of applications. With its compliance to environmental standards and excellent performance characteristics, the L4940D2T5-TR is a reliable and efficient solution for power regulation in various electronic systems.