STMicroelectronics

L4931ABD120TR

L4931ABD120TR Description

The L4931ABD120TR is a high-performance linear voltage regulator designed and manufactured by STMicroelectronics. This device is part of the Linear & Switching Voltage Regulators category, offering a fixed output voltage of 12V with a maximum output current of 250mA. It features a single regulator configuration and a positive output configuration, making it suitable for a wide range of applications.

L4931ABD120TR Features

• Technical Specifications:

  • Input Voltage Range: Up to 20V
  • Output Voltage: Fixed at 12V
  • Output Current: 250mA
  • Number of Regulators: 1
  • Voltage Dropout (Max): 0.8V @ 250mA
  • Current - Supply (Max): 7 mA
  • Current - Quiescent (Iq): 1.6 mA
  • PSRR: 64dB ~ 55dB (120Hz ~ 10kHz)
  • Mounting Type: Surface Mount
  • Package: Tape & Reel (TR)
  • Protection Features: Over Current, Over Temperature
  • RoHS Status: ROHS3 Compliant
  • REACH Status: REACH Unaffected
  • Moisture Sensitivity Level (MSL): 1 (Unlimited)
  • ECCN: EAR99
  • HTSUS: 8542.39.0001

• Performance Benefits:

  • The L4931ABD120TR offers a high PSRR, ensuring stable output voltage even in noisy environments.
  • Its low quiescent current of 1.6 mA makes it ideal for power-sensitive applications.
  • The device's over current and over temperature protection features enhance reliability and safety.

• Unique Features and Advantages:

  • The L4931ABD120TR's fixed output voltage of 12V simplifies design and reduces component count.
  • Its single regulator configuration makes it easy to integrate into existing systems.
  • The device's positive output configuration is suitable for a wide range of applications, including those requiring a positive voltage reference.

L4931ABD120TR Applications

The L4931ABD120TR is ideal for various applications where a stable and reliable 12V output is required. Some specific use cases include:

• Portable Electronics: Powering low-power devices such as smartphones, tablets, and wearables.
• Industrial Control Systems: Providing a stable voltage reference for sensors and actuators.
• Automotive Applications: Powering electronic control units (ECUs) and infotainment systems.
• Medical Devices: Ensuring a stable power supply for critical medical equipment.

Conclusion of L4931ABD120TR

The L4931ABD120TR is a versatile and reliable linear voltage regulator that offers a fixed 12V output with a maximum output current of 250mA. Its unique features, such as a high PSRR, low quiescent current, and protection features, make it an excellent choice for a wide range of applications. With its fixed output voltage and single regulator configuration, the L4931ABD120TR simplifies design and reduces component count, making it an ideal solution for both new and existing systems.