VI-260-CX-F2

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The VI-260-CX-F2 is a DC-DC converter developed by Vicor. It is a high efficiency, low output ripple current DC-DC converter, designed to convert a DC voltage input into two isolated supplies. It is part of the Vicor’s VTM-68 Modular High Performance Converters family, offering 35A continuous output current and a maximum output voltage of 600V.

Applications

The VI-260-CX-F2 is a versatile product, and it can be used in a wide variety of applications, ranging from power distribution and motion control to telecommunications, renewable energy, defense, and aerospace. Its features and capabilities make it ideal for high power, high reliability applications requiring precise voltage and current regulation.

The VI-260-CX-F2 can also be used in power distribution and motion control applications such as driving multiple motors from one power supply. The unit is capable of supplying two separate and controlled voltage levels from a single input, making it ideal for applications such as compensating different load or motor profiles, braking or regenerative applications, and electric hybrid vehicle systems.

Features

The VI-260-CX-F2 offers superior performance compared to traditional DC-DC converters due to its high efficiency, low output ripple current, and variety of features:

• The unit uses Vicor’s proprietary and patented high power density architecture (HPD3) to achieve higher energy efficiency that is essential for the development of advanced power systems.
• High precision adjustable output voltage with a voltage regulation accuracy of ±1%.
• Low output ripple current allowing for better system performance.
• Integrated desaturation protection and soft-start features for improved system reliability.
• Protection against over-voltage, over-current, and over-temperature.
• Integrated temperature compenstion and enable/disable functions.
• Low input to output voltage-drop of 0.6V.
• High temperature operation with a maximum operating temperature of 85C.

Working Principle

The VI-260-CX-F2 is based on Vicor’s patented HPD3 architecture, which is a three-phase interleaved synchronous buck-boost converter. The VI-260-CX-F2 can convert a wide input voltage range of 6V to 1000V DC into two isolated outputs. It features a high-speed MagAmp controller with a maximum switching frequency of 600kHz for fast load transient responses.

The VI-260-CX-F2 uses an integrated control loop to regulate the output voltage and current. The unit senses the output current and modulates the power switches to maintain a stable output voltage and current within its programmed range. The feedback loop also monitors the input voltage and adjusts the output voltage to maintain a precise voltage regulation.

The VI-260-CX-F2 also features soft-start and desaturation protection functions, which further reduce the stress applied to the input and output components, and improve the overall system reliability. In addition, the unit also offers short-circuit and overload protection, as well as built-in temperature compensation for higher efficiency across a wide range of temperature conditions. The unit can operate in both continuous and discontinuous conduction modes for improved efficiency.

Conclusion

The VI-260-CX-F2 is an advanced DC-DC converter developed by Vicor. It is part of the VTM-68 Modular High Performance Converters family, offering 35A continuous output current and a maximum output voltage of 600V. It has a wide variety of features, such as adjustable output voltage, low output ripple current, integrated soft-start and desaturation protection, as well as overload and short-circuit protection. It can be used in a wide range of applications, from energy distribution and motion control to telecommunications, renewable energy, defense, and aerospace. The VI-260-CX-F2 is an ideal solution for high power, high reliability applications requiring precise voltage and current regulation.

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