STMicroelectronics L4940D2T10-TR Low Drop Voltage Regulator

The L4940D2T10-TR from STMicroelectronics is a robust low drop voltage regulator designed to deliver a fixed output with high accuracy. This component is part of the L4940 series, which is known for its low dropout voltage and low quiescent current, making it an ideal choice for battery-powered devices and other applications where power efficiency is critical.

Key Features

• Output Voltage: The device provides a fixed output voltage of 10V, suitable for a wide range of applications requiring a stable power supply.
• Low Dropout Voltage: With a typical dropout voltage of just 0.5V at maximum output current, the L4940D2T10-TR ensures efficient operation even when the input voltage is close to the output voltage.
• High Output Current: This voltage regulator can deliver up to 1.5A of output current, making it capable of powering a variety of electronic circuits and components.
• Thermal Overload Protection: The built-in thermal shutdown feature protects the device from damage due to overheating, ensuring reliable performance under varying conditions.
• Short Circuit Protection: The L4940D2T10-TR also includes short circuit protection, which safeguards the regulator and the connected load from potential damage caused by short circuits.
• Low Quiescent Current: The device exhibits low quiescent current, which minimizes the power consumption when in standby mode, extending battery life in portable applications.

Applications

The L4940D2T10-TR is versatile and can be used in various electronic circuits, including:

• Automotive applications
• Power management solutions
• Consumer electronics
• Industrial control systems
• Battery-powered devices

Package and Availability

This voltage regulator is available in a TO-263 (D2PAK) surface-mount package, which is suitable for automated assembly processes. The part number includes the suffix 'TR', indicating that the device is provided in tape and reel packaging, facilitating efficient handling and manufacturing.

In summary, the L4940D2T10-TR from STMicroelectronics is a reliable and efficient solution for applications requiring a stable 10V power supply with the added benefits of low dropout, high output current, and robust protection features.