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LTC3728LIGN#PBF

LTC3728LIGN#PBF Description

The LTC3728LIGN#PBF is a high-performance dual, 2-phase DC-DC switching controller designed by Linear Technology. This obsolete product offers a comprehensive set of features tailored for demanding power conversion applications. It operates with a switching frequency range of 260kHz to 550kHz and supports a wide input voltage range of 4.5V to 28V. The LTC3728LIGN#PBF is equipped with a synchronous rectifier, enhancing efficiency and performance. Its output configuration is positive, and it provides two outputs, making it suitable for multi-phase power delivery systems.

LTC3728LIGN#PBF Features

• Output Type: Transistor Driver
• Output Configuration: Positive
• Frequency - Switching: 260kHz to 550kHz
• Voltage - Supply (Vcc/Vdd): 4.5V to 28V
• Synchronous Rectifier: Yes
• Topology: Buck
• Mounting Type: Surface Mount
• Clock Sync: No
• Number of Outputs: 2
• Control Features: Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start
• Duty Cycle (Max): 99.4%
• Output Phases: 2
• Package: Bulk

The LTC3728LIGN#PBF stands out with its advanced control features, including current limit, dead time control, enable, frequency control, power good, and soft start capabilities. These features ensure precise control and protection, making it an ideal choice for applications requiring high reliability and efficiency.

LTC3728LIGN#PBF Applications

The LTC3728LIGN#PBF is particularly well-suited for applications that demand high efficiency and robust power management. Its dual, 2-phase architecture makes it ideal for high-current power supplies, such as those found in telecommunications equipment, data centers, and industrial control systems. The wide input voltage range and synchronous rectification enhance its versatility and efficiency across various operating conditions.

Specific use cases include:

• Telecommunications Infrastructure: Powering base stations and network equipment
• Data Centers: Providing efficient power delivery to servers and storage systems
• Industrial Control Systems: Ensuring reliable power supply for critical control and monitoring equipment

Conclusion of LTC3728LIGN#PBF

The LTC3728LIGN#PBF, despite being marked as obsolete, remains a robust solution for high-efficiency power conversion needs. Its dual, 2-phase architecture and advanced control features make it a reliable choice for demanding applications. While newer alternatives may be available, the LTC3728LIGN#PBF continues to offer significant benefits in terms of performance and reliability. For existing systems or legacy designs, this controller remains a valuable component in ensuring efficient and stable power delivery.