STMicroelectronics

L6728

L6728 Description

The L6728 by STMicroelectronics is a DC-DC switching controller designed for high-efficiency power conversion in a wide range of electronic applications. This obsolete yet highly reliable device is a Buck topology controller with a transistor driver output configuration. It operates within a supply voltage range of 5V to 12V and supports switching frequencies up to 300kHz. The L6728 is packaged in a tube format, ensuring ease of handling and integration into surface-mount designs. It features a synchronous rectifier, enhancing its efficiency and performance in power conversion tasks.

L6728 Features

• Output Type: Transistor Driver
• Output Configuration: Positive
• Switching Frequency: Up to 300kHz
• Supply Voltage Range: 5V to 12V
• Synchronous Rectifier: Yes, ensuring high efficiency
• Control Features: Includes Enable, Phase Control, and Power Good, providing robust control options
• Duty Cycle (Max): 80%, allowing for flexible power management
• Output Phases: 1, simplifying design and implementation
• Package: Tube, suitable for surface-mount applications
• Compliance: REACH Unaffected and ROHS3 Compliant, ensuring environmental and regulatory standards are met
• Moisture Sensitivity Level (MSL): 1 (Unlimited), making it suitable for various environmental conditions

L6728 Applications

The L6728 is ideal for applications requiring high efficiency and reliable power conversion. Its Buck topology and synchronous rectifier make it particularly well-suited for:

• Power Supplies: Efficient conversion of input voltage to a stable output voltage, suitable for various electronic devices.
• Telecommunications: Providing stable power to communication equipment, ensuring reliable operation.
• Industrial Equipment: Robust power management for industrial applications, enhancing system efficiency and reliability.
• Consumer Electronics: Efficient power conversion for devices requiring compact and reliable power solutions.

Conclusion of L6728

The L6728 from STMicroelectronics is a versatile and efficient DC-DC switching controller, offering a range of features that make it suitable for a variety of applications. Despite its obsolete status, its robust design and compliance with environmental and regulatory standards ensure it remains a reliable choice for power conversion tasks. The inclusion of a synchronous rectifier and advanced control features further enhance its performance, making it a valuable component in the electronics industry.