The L4931C12 is a high-performance low dropout (LDO) voltage regulator from the renowned semiconductor manufacturer STMicroelectronics. This regulator is designed to deliver a stable 1.2V output voltage, making it an ideal power management solution for a wide range of electronic applications that require a low-voltage supply with minimal power loss.

Key Features

• Low Dropout Voltage: The L4931C12 offers an exceptionally low dropout voltage, ensuring efficient operation even when the input voltage is close to the output voltage, thus maximizing battery life in portable applications.
• Output Voltage: This device provides a fixed output of 1.2V, which is suitable for low-voltage electronics, such as microcontrollers and digital logic circuits.
• High Current Output: Capable of delivering up to 250 mA of output current, the L4931C12 can power a variety of components without the need for an additional power source.
• Low Quiescent Current: With a very low quiescent current, the L4931C12 is optimized for battery-powered applications where power conservation is critical.
• Thermal Overload Protection: The device includes built-in thermal overload protection that shuts down the regulator to prevent damage if the temperature exceeds safe operating limits.
• Short Circuit Protection: Short circuit protection enhances the reliability of the L4931C12 by protecting it and the connected load from damage due to output short circuits.

Applications

The L4931C12 voltage regulator is suitable for a diverse set of applications, including:

• Battery-powered devices
• Portable and handheld equipment
• Microcontroller power supply
• Low-power instrumentation
• Automotive electronics

Package and Availability

The L4931C12 is available in multiple package options, including TO-92, DPAK, and SO-8, providing flexibility for various design requirements. It is supported by STMicroelectronics' global distribution network, ensuring availability for both small-scale projects and high-volume production.