STMicroelectronics

L5987

L5987 Description

The L5987 is a high-performance, adjustable buck regulator designed by STMicroelectronics for a wide range of power management applications. This IC offers a robust solution for converting input voltages ranging from 2.9V to 18V into a stable output voltage, adjustable between 0.6V and 18V, with a maximum output current of 3A. The L5987 is housed in an 8VFQFPN package, making it suitable for surface-mount applications and ensuring ease of integration into compact designs.

L5987 Features

• Adjustable Output Voltage: The L5987 provides an adjustable output voltage range from 0.6V to 18V, offering flexibility to meet various power requirements.
• Wide Input Voltage Range: With an input voltage range of 2.9V to 18V, the L5987 can accommodate a variety of power sources, making it versatile for different applications.
• High Output Current: Capable of delivering up to 3A of output current, the L5987 is suitable for high-power applications.
• Switching Frequency Range: The regulator operates within a switching frequency range of 250kHz to 1MHz, allowing for optimization of efficiency and component size.
• Positive Output Configuration: The L5987 features a positive output configuration, ensuring compatibility with most power systems.
• Compliance and Reliability: The L5987 is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability and regulatory compliance. Additionally, its Moisture Sensitivity Level (MSL) is 1 (Unlimited), making it suitable for a wide range of manufacturing environments.
• Buck Topology: Utilizing a buck topology, the L5987 offers high efficiency and low power loss, making it ideal for applications requiring high energy efficiency.
• Surface Mount Technology: The surface-mount package type facilitates easy integration into modern PCB designs, reducing the overall footprint and enhancing thermal performance.

L5987 Applications

The L5987 is well-suited for a variety of applications where efficient power conversion and high output current are required. Some specific use cases include:

• Consumer Electronics: Ideal for powering high-current devices such as smartphones, tablets, and laptops.
• Industrial Equipment: Suitable for powering industrial control systems, sensors, and actuators that require stable and efficient power supply.
• Telecommunications: Can be used in base stations and networking equipment where high reliability and efficiency are critical.
• Automotive Electronics: Applicable in automotive applications where a wide input voltage range and high output current are necessary.
• Medical Devices: Suitable for medical equipment that requires precise and stable power supply.

Conclusion of L5987

The L5987 from STMicroelectronics stands out as a versatile and efficient power management solution, offering a wide input voltage range, adjustable output voltage, and high output current. Its compliance with environmental regulations and robustness in various manufacturing conditions further enhance its appeal. The L5987's buck topology ensures high efficiency and low power loss, making it an ideal choice for applications that demand high performance and reliability. Whether used in consumer electronics, industrial equipment, telecommunications, automotive electronics, or medical devices, the L5987 provides a reliable and efficient power management solution.