VX7803-1000

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DC-DC converters are widely used for voltage regulation and power conversion purposes. The VX7803-1000 is a high power density, high efficiency isolated DC-DC converter. Developed by Vicor, the VX7803-1000 provides up to 9A of continuous output current and up to 1.3kV of voltage isolation.

The VX7803-1000 is an isolated DC-DC converter that operates at a 88-381V input voltage and produces an isolated output of 3.3V at up to 9A of continuous output current. This converter is designed for use in common applications such as communications, industrial control, telecom, and automotive. It is a compact, high-efficiency device that offers high power density in a low profile package.

The VX7803-1000 typically achieves up to 94% efficiency. It is a versatile device that features a temperature-compensated current mode PWN topology, which delivers regulated output in most applications with no external components. The operating frequency of the converter is internally set to 150kHz, but it can be programmed to a lower frequency for reduced EMI.

The VX7803-1000 features soft-start and current-limit protection to ensure that it is able to withstand in-rush current or over-current events. It also offers a range of protection features such as over-voltage and short-circuit protection, enabling users to easily integrate the converter into their systems. The device also includes an integrated transformer, which simplifies circuit layout and provides excellent line and load regulation.

The VX7803-1000 is a robust and reliable DC-DC converter designed for harsh environment operation. It is capable of withstanding wide temperature ranges up to +100 °C meaning that it is suitable for most mission-critical applications. It also features immunity to physical shock and vibration, making it suitable for deployment in extreme environments.

In summary, the VX7803-1000 is a high power density and high efficiency isolated DC-DC converter that is designed for common applications such as communications, industrial control, telecom, and automotive. It offers up to 9A of continuous output current and up to 1.3kV of voltage isolation, while its temperature-compensated current mode PWN topology simplifies circuit layout with no external components. It also offers a wide range of protection features, high efficiency and a robust design that makes it suitable for harsh environments.

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