STMicroelectronics

L4940D2T12-TR  

Linear & Switching Voltage Regulators

L4940D2T12-TR Description

The L4940D2T12-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 offers a fixed output voltage of 12V with a maximum current output of 1.5A. The L4940D2T12-TR is designed to operate with an input voltage up to 17V and has a low quiescent current of 8 mA, making it ideal for battery-powered applications. The device is available in a D2PAK package and is mounted on the surface, making it suitable for a wide range of electronic systems.

L4940D2T12-TR Features

• Fixed Output Voltage: The L4940D2T12-TR provides a stable 12V output, ensuring reliable operation in various electronic systems.
• Low Dropout Voltage: With a maximum dropout voltage of 0.9V at 1.5A, this regulator maintains high efficiency even under heavy load conditions.
• Single Regulator: The device features a single output regulator, simplifying the design and reducing component count in the system.
• Positive Output Configuration: The L4940D2T12-TR provides a positive output voltage, making it suitable for a wide range of applications.
• Low Quiescent Current: The device consumes only 8 mA in quiescent mode, extending battery life in portable devices.
• Robust Protection Features: The L4940D2T12-TR includes over-temperature, reverse polarity, and short-circuit protection, ensuring system reliability and safety.
• Compliance with Industry Standards: The device is compliant with RoHS3 and REACH regulations, making it suitable for use in environmentally conscious applications.

L4940D2T12-TR Applications

The L4940D2T12-TR is ideal for a variety of applications where a stable and reliable voltage supply is required. Some specific use cases include:

1. Portable Electronics: Due to its low quiescent current and fixed output voltage, the L4940D2T12-TR is perfect for powering portable devices such as smartphones, tablets, and wearables.
2. Industrial Control Systems: The device's robust protection features and ability to handle high input voltages make it suitable for use in industrial control systems, ensuring reliable operation in harsh environments.
3. Automotive Applications: The L4940D2T12-TR can be used in automotive systems, providing a stable power supply for various electronic components in vehicles.

Conclusion of L4940D2T12-TR

The L4940D2T12-TR is a versatile and reliable linear voltage regulator that offers a fixed output voltage of 12V with a maximum current output of 1.5A. Its low dropout voltage, low quiescent current, and robust protection features make it an ideal choice for a wide range of applications, including portable electronics, industrial control systems, and automotive applications. With its compliance with industry standards and availability in a D2PAK package, the L4940D2T12-TR is a high-performance solution for designers looking to ensure reliable and efficient power supply in their electronic systems.

L4940D2T12-TR Documents

Download datasheets and manufacturer documentation for L4940D2T12-TR

Datasheets :

L4940      

PCN Packaging :

Mult Dev Inner Box Chg 9/Dec/2021       Box Label Chg 28/Jul/2016      

Other Related Documents :

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HTML Datasheet :

L4940      

PCN Design/Specification :

D2PAK Lead Modification 04/Oct/2013