LNK6769V

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The LNK6769V is a high performance Powerex Insulated Gate Bipolar Transistor (IGBT)-based AC-DC converter from Power Integrations. The LNK6769V is a highly integrated device that provides offline operation and numerous protections, including primary overvoltage, output overvoltage, and output overcurrent protection. Its features include direct power input with wide input voltage range, transient protection, and synchronous rectification for improved efficiency.

The LNK6769V is used in applications such as switched-mode power supplies, hot-swappable power systems, and uninterruptible power supplies. It can be configured as a standalone inverter or as part of a complete off-line converter solution. The device is designed to provide both continuous and discontinuous conduction mode control, allowing it to achieve high efficiency across a broad range of load conditions.

The integrated design of the LNK6769V provides an economical solution with few external components. The device integrates a transformer, an igbt driver, and a linear power supply with output current up to 1.6A and up to 72V output voltage. In addition, the device includes integrated logic control, overvoltage protection, and output voltage supervision.

The LNK6769V uses two advanced technologies to increase efficiency: synchronous rectification and Pulse Frequency Modulation (PFM) control. Synchronous rectification is employed on the output of the device and provides higher efficiency than a diode-rectified power supply. Pulse Frequency Modulation (PFM) control is used to control the output current and provide improved efficiency over a wider range of load conditions.

The LNK6769V is designed to outperform many conventional AC-DC offline converters by combining minimized losses and high efficiency. The device is also capable of performing at high operating temperature, making it suitable for a wide range of industrial applications. The device has a maximum operating temperature of 85°C and minimum standby power consumption of 1.2W.

In summary, the LNK6769V is an advanced, integrated AC-DC converter from Power Integrations. The device is suitable for applications such as hot-swappable power systems, uninterruptible power supplies, and switched-mode power supplies. The LNK6769V combines high performance and efficiency with low-cost components and is an ideal solution for many power conversion applications.

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