The L4931CPT33 from STMicroelectronics is a highly reliable, low dropout voltage regulator specifically designed to deliver a stable and accurate output voltage. This regulator is part of the L4931 series, known for their low drop performance and wide range of output voltage options, making them ideal for battery-powered devices, automotive applications, and other portable electronic systems.

Key Features

• Output Voltage: Fixed at 3.3V, which is a common voltage level for digital circuits, ensuring compatibility with a variety of microcontrollers, sensors, and other digital ICs.
• Low Dropout Voltage: The device can maintain output regulation with a very small difference between the input and output voltage, which enhances efficiency and prolongs battery life in portable applications.
• High Output Current: Capable of supplying up to 250 mA, making it suitable for a range of low-power devices and subsystems.
• Low Quiescent Current: Minimizes the power consumption when the device is in standby mode, contributing to energy savings and extended operation time.
• Thermal Overload Protection: Ensures the regulator does not overheat by shutting down the output if the internal temperature exceeds safe operating limits.
• Short-circuit Protection: Protects both the regulator and the powered device from damage in the event of a short circuit.

Applications

The L4931CPT33 is versatile and can be used in a wide range of applications. It is particularly well-suited for:

• Battery-powered equipment
• Automotive electronics
• Portable devices
• Microcontroller power supplies
• Peripheral power supplies

Package and Quality

The L4931CPT33 is available in a TO-220 package, which is easy to handle and solder, even for hobbyists or in a manual assembly process. The device is designed to meet the high-quality standards of STMicroelectronics, ensuring reliable operation in a variety of conditions and environments.