STMicroelectronics

L7986

L7986 Description

The L7986 is a high-performance DC switching voltage regulator designed by STMicroelectronics. This regulator is part of the DC Switching Voltage Regulators category and is known for its adjustable output type, making it highly versatile for a variety of applications. The L7986 operates with an input voltage range of 4.5V to 38V and can deliver a maximum output current of 3A. It features a positive output configuration and supports a wide switching frequency range from 250kHz to 1MHz. The regulator's output voltage is adjustable from 0.6V to 38V, providing flexibility in power supply design. The L7986 is packaged in a tube and is available in a 10VFQFPN package, suitable for surface mount applications. It is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance. The regulator has a moisture sensitivity level (MSL) of 3, which allows for 168 hours of exposure before assembly. It employs a buck topology and does not use synchronous rectification. The L7986 is classified under ECCN EAR99 and HTSUS 8542.39.0001.

L7986 Features

• Adjustable Output Voltage: The L7986 offers an adjustable output voltage range from 0.6V to 38V, providing flexibility in power supply design and making it suitable for a wide range of applications.
• Wide Input Voltage Range: With an input voltage range of 4.5V to 38V, the regulator can accommodate various input sources, enhancing its versatility.
• High Output Current: The regulator is capable of delivering a maximum output current of 3A, making it suitable for applications requiring high power delivery.
• Wide Switching Frequency Range: The L7986 supports a switching frequency range from 250kHz to 1MHz, allowing designers to optimize the trade-off between efficiency and size.
• Surface Mount Compatibility: The regulator is designed for surface mount applications, facilitating compact and efficient PCB layouts.
• Environmental Compliance: The L7986 is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards.
• Moisture Sensitivity Level: With an MSL of 3 (168 hours), the regulator is suitable for standard manufacturing processes without the need for additional moisture protection.
• Buck Topology: The use of buck topology ensures high efficiency and good transient response, making it ideal for applications requiring high power conversion efficiency.

L7986 Applications

The L7986 is ideal for applications that require a high degree of flexibility and efficiency in power supply design. Some specific use cases include:

• Industrial Power Supplies: The regulator's wide input voltage range and high output current make it suitable for industrial applications where power supply requirements can vary significantly.
• Telecommunications: The adjustable output voltage and high efficiency are beneficial for telecom equipment that needs reliable power conversion.
• Consumer Electronics: The L7986's compact size and surface mount compatibility make it ideal for consumer electronics where space is a constraint.
• Automotive Electronics: The regulator's robustness and wide operating voltage range make it suitable for automotive applications where power supply conditions can be challenging.
• Embedded Systems: The L7986's flexibility and efficiency make it a good choice for embedded systems that require reliable power management.

Conclusion of L7986

The L7986 is a highly versatile and efficient DC switching voltage regulator designed to meet the demands of modern power supply applications. Its adjustable output voltage, wide input voltage range, and high output current make it suitable for a variety of industries and applications. The regulator's compliance with environmental and regulatory standards ensures its suitability for global markets. The L7986's unique features, such as its wide switching frequency range and surface mount compatibility, provide designers with the flexibility to optimize their power supply solutions for efficiency and size. Whether used in industrial, telecommunications, consumer electronics, automotive, or embedded systems, the L7986 offers a reliable and efficient power conversion solution.