STMicroelectronics

L4971D  

DC Switching Voltage Regulators

L4971D Description

The L4971D is a high-performance, adjustable DC switching voltage regulator from STMicroelectronics, designed to meet the demands of modern electronic systems. This Buck regulator offers a wide input voltage range of 8V to 55V and supports an output voltage range from 3.3V to 50V. With a maximum output current of 1.5A, the L4971D is capable of efficiently regulating power for various applications. The device operates with a switching frequency between 100kHz and 300kHz, ensuring high efficiency and minimal noise.

L4971D Features

• Adjustable Output Voltage: The L4971D provides a flexible output voltage range, allowing for precise voltage regulation tailored to specific application requirements.
• Wide Input Voltage Range: With an input voltage range of 8V to 55V, the L4971D can handle a variety of power sources, making it suitable for diverse applications.
• High Output Current: Capable of delivering up to 1.5A, the L4971D is ideal for applications requiring high current regulation.
• Switching Frequency: Operating between 100kHz and 300kHz, the L4971D offers high efficiency and low noise performance.
• Positive Output Configuration: The L4971D provides a positive output, making it suitable for applications requiring a positive voltage reference.
• RoHS Compliance: The L4971D is compliant with RoHS3 standards, ensuring environmental responsibility and regulatory compliance.
• REACH Unaffected: The L4971D is not affected by REACH regulations, ensuring uninterrupted supply and compliance with European chemical safety standards.

L4971D Applications

The L4971D is ideal for a wide range of applications, including:

1. Industrial Control Systems: The L4971D's high current capability and adjustable output voltage make it suitable for powering industrial control systems and sensors.
2. Telecommunications Equipment: With its wide input voltage range and high efficiency, the L4971D is well-suited for powering telecommunications equipment in various environments.
3. Automotive Systems: The L4971D's ability to handle a wide input voltage range and high current makes it ideal for automotive applications, such as infotainment systems and power management.
4. Portable Electronics: The L4971D's compact surface-mount package and adjustable output voltage make it suitable for powering portable electronic devices, such as smartphones and tablets.

Conclusion of L4971D

The L4971D from STMicroelectronics is a versatile and high-performance DC switching voltage regulator, offering a wide input voltage range, adjustable output voltage, and high output current. Its unique features, such as RoHS compliance and REACH unaffected status, make it an ideal choice for a variety of applications across different industries. With its ability to handle high current and provide precise voltage regulation, the L4971D is a reliable and efficient solution for powering modern electronic systems.

L4971D Documents

Download datasheets and manufacturer documentation for L4971D

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