Product Overview: L4940D2T5-TR by STMicroelectronics

The L4940D2T5-TR is a robust, high-performance low-dropout voltage regulator (LDO) designed and manufactured by STMicroelectronics, a global leader in semiconductor solutions. This device is specifically engineered to deliver a fixed output voltage of 5V with a maximum output current of 1.5A. The L4940D2T5-TR is part of the L4940 series, known for its low dropout voltage and high accuracy.

Key Features

• Low Dropout Voltage: The L4940D2T5-TR boasts a very low dropout voltage, typically 450 mV at 1.5 A load, which makes it highly efficient for applications where the supply voltage is very close to the output voltage.
• Output Voltage Accuracy: The output voltage is guaranteed to be within ±2% tolerance, ensuring reliable and consistent performance for sensitive electronic circuits.
• High Current Capability: With the ability to deliver up to 1.5A of output current, this LDO is suitable for powering a wide range of devices.
• Thermal Overload Protection: The built-in thermal shutdown feature protects the device and the connected components from damage due to excessive power dissipation.
• Short Circuit Protection: The L4940D2T5-TR includes short circuit current limiting, further enhancing its safety features.
• Wide Operating Temperature Range: It can operate over a wide temperature range from -40°C to 125°C, making it suitable for industrial and automotive applications.

Applications

The L4940D2T5-TR is versatile and can be used in a variety of applications, including:

• Automotive electronics
• Industrial control systems
• Embedded systems
• Microprocessor supplies
• Battery-powered devices

Package and Quality

The device comes in a TO-263 (D2PAK) package, which is designed for surface mount technology (SMT) and is suitable for high-density PCB designs. STMicroelectronics ensures the highest quality and reliability, with the L4940D2T5-TR being RoHS compliant and lead-free, reflecting the company's commitment to environmental sustainability.

With its remarkable features and proven reliability, the L4940D2T5-TR from STMicroelectronics is an excellent choice for designers looking for a stable and efficient voltage regulator for their next project.