STMicroelectronics

L4972AD013TR

L4972AD013TR Description

The L4972AD013TR is a surface-mount, adjustable DC switching voltage regulator designed by STMicroelectronics. This device is part of the L4972 series and is housed in a 20SO package, available in tape and reel (TR) format. It features an adjustable output type with a wide input voltage range of 15V to 50V and a maximum output current of 2A. The regulator supports a positive output configuration and offers an adjustable output voltage range from 5.1V to 40V. The L4972AD013TR operates within a switching frequency range of 100kHz to 200kHz, making it suitable for various high-efficiency power conversion applications. Despite its obsolescence status, this regulator remains a reliable choice for specific legacy systems and applications.

L4972AD013TR Features

• Adjustable Output Voltage: The L4972AD013TR provides an adjustable output voltage range from 5.1V to 40V, offering flexibility to meet diverse power requirements.
• Wide Input Voltage Range: With an input voltage range of 15V to 50V, this regulator can accommodate a variety of power sources, enhancing its versatility.
• High Output Current: Capable of delivering up to 2A of output current, it is suitable for applications requiring significant power delivery.
• Buck Topology: Utilizing a buck topology, the regulator ensures high efficiency and minimal power loss, making it ideal for power-sensitive designs.
• Switching Frequency Range: The 100kHz to 200kHz switching frequency range allows for optimized performance in different operating conditions.
• Surface Mount Packaging: The 20SO surface-mount package ensures ease of integration into modern PCB designs.
• Compliance and Safety: The L4972AD013TR is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 3 (168 Hours), it is suitable for use in environments with varying humidity levels.

L4972AD013TR Applications

The L4972AD013TR is well-suited for applications requiring high efficiency and adjustable voltage regulation. Some specific use cases include:

• Power Supplies: Ideal for designing power supplies that need adjustable voltage outputs and high current capabilities.
• Industrial Equipment: Suitable for industrial applications where a wide input voltage range and high output current are necessary.
• Telecommunications: Can be used in telecom equipment requiring stable and efficient power regulation.
• Automotive Systems: Applicable in automotive electronics where robustness and reliability are crucial.
• Legacy Systems: Given its obsolescence status, it remains a viable option for maintaining and upgrading legacy systems that rely on this regulator.

Conclusion of L4972AD013TR

The L4972AD013TR from STMicroelectronics is a versatile and efficient DC switching voltage regulator, offering adjustable output voltage and a wide input voltage range. Despite being marked as obsolete, its technical specifications and performance benefits make it a reliable choice for specific applications, particularly in legacy systems. The regulator's compliance with environmental and safety standards, along with its surface-mount packaging, ensures ease of integration and long-term reliability. For applications requiring high efficiency and adjustable voltage regulation, the L4972AD013TR remains a valuable component in the electronics industry.