STMicroelectronics

L6728ATR  

DC DC Switching Controllers

L6728ATR Description

The L6728ATR is a highly integrated buck regulator controller designed for high-efficiency power conversion applications. Manufactured by STMicroelectronics, this device is part of the Power Management (PMIC) category and is housed in a 10-VFQFPN package, making it suitable for surface mount applications. Despite being marked as obsolete, the L6728ATR remains a robust solution for various power management needs.

L6728ATR Features

• Output Type: The L6728ATR is a transistor driver designed to drive external MOSFETs, providing a flexible and efficient power conversion solution.
• Output Configuration: The device offers a positive output configuration, ensuring compatibility with a wide range of applications.
• Frequency - Switching: With a switching frequency of 600kHz, the L6728ATR ensures high efficiency and reduced component size, making it ideal for compact designs.
• Voltage - Supply (Vcc/Vdd): The device operates within a supply voltage range of 5V to 12V, providing versatility for various power supply requirements.
• Control Features: The L6728ATR includes enable, phase control, and power good features, offering comprehensive control over the power conversion process.
• Duty Cycle (Max): The maximum duty cycle of 67% ensures efficient power delivery and thermal management.
• Output Phases: The device supports a single output phase, simplifying the design and reducing complexity.
• Synchronous Rectifier: The inclusion of a synchronous rectifier enhances efficiency and reduces power loss.
• Moisture Sensitivity Level (MSL): With an MSL of 1 (Unlimited), the L6728ATR is suitable for a wide range of manufacturing environments.
• Compliance: The device is REACH unaffected and ROHS3 compliant, ensuring environmental and regulatory standards are met.
• Packaging: Available in a Tape & Reel (TR) package, the L6728ATR is optimized for automated assembly processes.

L6728ATR Applications

The L6728ATR is ideal for applications requiring high efficiency and compact design. Its key applications include:

• Telecommunications: Ideal for powering telecommunication equipment where space and efficiency are critical.
• Consumer Electronics: Suitable for powering devices such as routers, modems, and set-top boxes.
• Industrial Equipment: Can be used in industrial control systems and automation equipment where reliable power management is essential.
• Power Supply Units: The device is well-suited for designing efficient power supply units for various electronic systems.

Conclusion of L6728ATR

The L6728ATR from STMicroelectronics is a versatile and efficient buck regulator controller that offers a comprehensive set of features for high-performance power management. Despite its obsolete status, the device remains a reliable choice for applications requiring high efficiency, compact design, and robust performance. With its wide range of control features, synchronous rectification, and compatibility with various supply voltages, the L6728ATR stands out as a valuable solution in the power management domain.

L6728ATR Documents

Download datasheets and manufacturer documentation for L6728ATR

Datasheets :

L6728A      

Reference Design Library :

STEVAL-ISA038V1: 1.25V @ 5A, 5 ~ 12V in      

HTML Datasheet :

L6728A