STMicroelectronics

L4971

L4971 Description

The L4971 is a high-performance, adjustable output DC switching voltage regulator manufactured by STMicroelectronics. This device is designed to provide a stable and efficient power supply solution for various electronic applications. With its versatile features and robust performance, the L4971 stands out as a reliable choice for power management in demanding environments.

L4971 Features

• Output Type: Adjustable, allowing for flexible power supply customization.
• Voltage - Input (Min/Max): 8V to 55V, ensuring compatibility with a wide range of input voltages.
• Current - Output: 1.5A, capable of handling moderate power demands.
• Output Configuration: Positive, suitable for applications requiring a positive voltage output.
• Voltage - Output (Min/Max): 3.3V to 50V, offering a broad output voltage range.
• Number of Outputs: 1, providing a single output for focused power management.
• Frequency - Switching: 100kHz to 300kHz, enabling high-frequency operation for improved efficiency.
• Topology: Buck, a popular choice for step-down voltage conversion.
• Mounting Type: Through Hole, facilitating easy integration into existing PCB designs.
• Package: Tube, ensuring protection during shipping and handling.
• REACH Status: REACH Unaffected, complying with European Union regulations on chemical safety.
• RoHS Status: ROHS3 Compliant, adhering to environmental and health standards.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), indicating low sensitivity to moisture, which is beneficial for various environments.
• Synchronous Rectifier: No, simplifying the design without compromising performance.
• ECCN: EAR99, indicating export control classification for international trade.
• HTSUS: 8542.39.0001, providing tariff classification for customs purposes.

L4971 Applications

The L4971 is ideal for applications where adjustable output voltage and current are required, such as:

• Power Supplies: For electronic devices that need a stable and adjustable power source.
• Industrial Equipment: In systems where input voltages vary and a reliable output is essential.
• Telecommunications: Providing power to communication devices with fluctuating power demands.
• Automotive Electronics: Offering a stable power supply in vehicles with varying electrical systems.

Conclusion of L4971

The L4971 from STMicroelectronics is a versatile and efficient DC switching voltage regulator. Its adjustable output, wide input voltage range, and high output current make it suitable for a variety of applications. With its compliance to REACH and RoHS standards, the L4971 is not only a powerful solution but also an environmentally conscious choice. Its unique features, such as the broad switching frequency range and moisture sensitivity level, set it apart from similar models, making it an excellent choice for demanding power management needs.