VI-263-CY-F4

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DC-DC converters are widely used in modern applications such as automotive, aerospace, medical, and renewable energy. The VI-263-CY-F4 from Vicor is a family of isolated monolithic DC-DC converters featuring up to 2:1 wide input voltage range. Operating with a 4:1 input voltage range, the VI-263-CY-F4 is designed to provide increased power density, high efficiency, and a wide output voltage range that operates in open-loop, current-mode control. In this article, we will discuss the application field and working principle of the VI-263-CY-F4 DC-DC converter.

The VI-263-CY-F4 family of DI-DC converter is suitable for a wide range of applications such as process control, robotics, LED lighting, medical equipment, motor drive, and telecom power systems. Due to its low profile, the VI-263-CY-F4 is ideal for applications that require small form factor and high power density. The output voltage and current can be easily adjusted using external resistor and capacitor networks to meet the specific needs of the application.

The VI-263-CY-F4 features two independent outputs, each with up to 40W of power. Each output has a nominal voltage rating of 6V to 36V and can be adjusted via external resistor and capacitor networks. The output is current-mode controlled to provide excellent line and load regulation, transient response, and high efficiency. The converter features high power density, ultra-wide 4:1 input voltage range, and high efficiency up to 90%. It also features protection against input under-voltage, over-voltage, short-circuit, and over-temperature.

The VI-263-CY-F4 DC-DC converter is based on an isolated 6-source synchronous rectification topology. It features fast transient response, high efficiency, and wide input voltage range. The output voltage is regulated via a current-mode control loop, which compares the output voltage to a reference voltage. When the output voltage is out of regulation, the current-mode control loop will adjust the duty cycle of the switches to keep the voltage at the desired level. The switching frequency is set via an external resistor network. The VI-263-CY-F4 also features synchronous rectification which helps to reduce switching losses and improve efficiency.

In terms of power efficiency, the VI-263-CY-F4 is designed to operate in full power over a wide input voltage range. The low profile, low noise and high efficiency makes this DC-DC converter extremely suitable for space-constrained applications. The efficiency of the VI-263-CY-F4 ranges from 85% to 90% depending on input voltage and output current.

The VI-263-CY-F4 is designed for harsh applications making it a great option for process control, robotics, LED lighting, medical equipment, motor drive, and telecom power systems. It features a wide temperature range with low input and output ripple for high reliability and noise immunity. The VI-263-CY-F4 DC-DC converter is cost-effective for high power applications and is easily adjustable to meet each application\'s needs.

The VI-263-CY-F4 DC-DC converter is a robust, cost-effective off-the-shelf product for space-constrained missions requiring high power density and high efficiency. With the wide input voltage range and current-mode control, the VI-263-CY-F4 is designed to meet the needs of a variety of applications.

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