STMicroelectronics

L4931ABD33-TR

L4931ABD33-TR Description

The L4931ABD33-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 is known for its fixed output voltage of 3.3V and a maximum output current of 250mA. It is designed to operate with an input voltage up to 20V, making it suitable for a wide range of applications. The L4931ABD33-TR is currently active in the market and complies with REACH and RoHS3 regulations, ensuring environmental and health safety.

L4931ABD33-TR Features

• Output Type: Fixed, ensuring a stable output voltage.
• Voltage - Input (Max): 20V, allowing for a broad range of input voltages.
• Current - Output: 250mA, capable of powering various low-power devices.
• Number of Regulators: 1, providing a single output for simplicity.
• Output Configuration: Positive, standard for most applications.
• Current - Supply (Max): 6 mA, low power consumption.
• Voltage Dropout (Max): 0.8V @ 250mA, maintaining efficiency under load.
• PSRR: 73dB ~ 55dB (120Hz ~ 10kHz), providing excellent power supply rejection ratio.
• Protection Features: Over Current and Over Temperature, safeguarding the device.
• Mounting Type: Surface Mount,PCB。
• Package: Tape & Reel (TR), facilitating automated assembly processes.

L4931ABD33-TR Applications

The L4931ABD33-TR is ideal for applications requiring a stable 3.3V output with low noise and high efficiency. It is particularly suited for:

• Portable Electronics: Due to its low quiescent current and small form factor.
• Industrial Controls: Where reliability and stability are crucial.
• Telecommunications Equipment: Benefiting from its low dropout voltage and high PSRR.
• Automotive Electronics: Withstanding the harsh environmental conditions and providing consistent power.

Conclusion of L4931ABD33-TR

The L4931ABD33-TR stands out for its combination of high efficiency, low dropout voltage, and robust protection features. Its fixed 3.3V output and ability to handle up to 250mA make it a versatile choice for a variety of electronic systems. The device's compliance with environmental standards and its surface-mount packaging make it a preferred option for designers looking for a reliable and eco-friendly voltage regulator.