STMicroelectronics

L6728DTR

L6728DTR Description

The L6728DTR is a high-performance, single-output, positive buck regulator from STMicroelectronics, designed to meet the demands of modern DC-DC switching applications. This IC is now considered obsolete, but it was once a popular choice for its robust features and reliable performance. With a switching frequency of 300kHz, it offers efficient power conversion in a wide range of electronic devices.

L6728DTR Features

• Output Type: Transistor Driver - This feature allows for direct control of power MOSFETs, providing precise regulation and high efficiency.
• Output Configuration: Positive - Ensures that the output voltage is always higher than the input voltage, ideal for applications requiring a stable output.
• Frequency - Switching: 300kHz - A high switching frequency allows for smaller external components and improved transient response.
• Synchronous Rectifier: Yes - Enhances efficiency by reducing conduction losses in the rectifier stage.
• Voltage - Supply (Vcc/Vdd): 5V ~ 12V - Offers flexibility in input voltage, accommodating various power sources.
• RoHS Status: ROHS3 Compliant - Ensures environmental compliance and supports sustainable manufacturing practices.
• Moisture Sensitivity Level (MSL): 3 (168 Hours) - Indicates the level of protection required against moisture, crucial for reliable operation in humid environments.
• Control Features: Enable, Phase Control, Power Good - Provides advanced control options for system integration and monitoring.
• Duty Cycle (Max): 80% - Allows for high power transfer efficiency within safe operating limits.

L6728DTR Applications

The L6728DTR is ideal for applications where high efficiency and reliable power conversion are critical. Some specific use cases include:

• Telecommunications Equipment: Due to its ability to handle a wide input voltage range and provide stable output, it is suitable for powering base stations and other communication devices.
• Industrial Control Systems: Its robust design and synchronous rectification make it a good fit for systems that require stable power in harsh environments.
• Automotive Electronics: The L6728DTR can be used in applications such as infotainment systems, where reliability and efficiency are paramount.

Conclusion of L6728DTR

While the L6728DTR is now an obsolete product, it was once a leading choice for its advanced features and performance in DC-DC switching applications. Its unique combination of high switching frequency, synchronous rectification, and a wide input voltage range made it suitable for a variety of demanding applications. Although it may no longer be in production, its legacy remains in the reliable performance it provided to countless electronic systems. For current projects, STMicroelectronics offers a range of updated alternatives that incorporate the latest technologies and meet the evolving needs of the electronics industry.