STMicroelectronics

L6986H

L6986H Description

The L6986H is a high-performance, adjustable output buck regulator designed by STMicroelectronics for a wide range of power management applications. This IC offers a robust solution for converting higher input voltages down to lower, regulated output voltages with high efficiency and minimal power loss. The L6986H features a broad input voltage range from 4V to 38V, making it suitable for various power supply scenarios. It can deliver a continuous output current of up to 2A, ensuring reliable performance even under demanding conditions.

The regulator operates with a switching frequency that can be adjusted between 250kHz and 2MHz, providing flexibility to optimize for efficiency or minimize external component size. With a positive output configuration and a minimum output voltage of 0.85V, the L6986H is ideal for applications requiring precise voltage regulation. The inclusion of a synchronous rectifier enhances efficiency by reducing power dissipation, especially at higher load currents.

L6986H Features

• Adjustable Output Voltage: The L6986H offers an adjustable output voltage range from 0.85V to 38V, providing flexibility to meet specific application requirements.
• Wide Input Voltage Range: With an input voltage range of 4V to 38V, the regulator can accommodate a variety of power sources, enhancing its versatility.
• High Output Current: Capable of delivering up to 2A of continuous output current, the L6986H is suitable for applications requiring significant power.
• Synchronous Rectification: The integrated synchronous rectifier improves efficiency, particularly at higher load currents, reducing power loss and heat generation.
• Flexible Switching Frequency: The regulator supports a switching frequency range of 250kHz to 2MHz, allowing designers to balance efficiency and component size.
• Surface Mount Packaging: The L6986H is available in a surface mount package (16HTSSOP), making it suitable for compact and high-density PCB designs.
• Compliance and Status: The L6986H is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards. It is also classified under ECCN EAR99 and HTSUS 8542.39.0001.

L6986H Applications

The L6986H is well-suited for a variety of applications where efficient power conversion and precise voltage regulation are critical. Some specific use cases include:

• Industrial Equipment: Providing stable power supply for control systems, sensors, and actuators in industrial environments.
• Telecommunications: Powering base stations, routers, and other telecom equipment where reliability and efficiency are paramount.
• Automotive Electronics: Ideal for automotive applications requiring high efficiency and robustness, such as infotainment systems and electronic control units.
• Consumer Electronics: Suitable for powering devices like laptops, tablets, and other portable electronics where compact design and high efficiency are essential.

Conclusion of L6986H

The L6986H from STMicroelectronics stands out as a versatile and efficient buck regulator, offering a wide range of input and output voltage capabilities, high output current, and flexible switching frequency options. Its synchronous rectification feature ensures high efficiency, making it an excellent choice for applications where power loss and heat generation need to be minimized. The surface mount package and compliance with environmental regulations further enhance its appeal for modern electronics designs. Whether used in industrial, automotive, or consumer applications, the L6986H provides a reliable and efficient power management solution.