VE-20V-EY

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DC-DC converters, or direct current-direct current converters, are an important aspect of power management and are used to convert direct current from one voltage level to another. The VE-20V-EY is a DC-DC converter from Vicor Corporation that utilizes proprietary control circuitry to provide a high degree of reliability and performance. The VE-20V-EY offers a wide range of applications in the industrial, avionics, and medical sectors. This article will explore the application fields and working principle of the VE-20V-EY DC-DC converter.

The VE-20V-EY is a DC-DC converter designed for industrial and medical applications. It supports up to a total output current of 16 A and voltage up to 1000 VDC. It has an adjustable output voltage range and dynamic on-demand current limiting for reliable power delivery to sensitive loads. The VE-20V-EY is capable of providing a constant output current, even in the presence of input line voltage dips and surges. It has a wide operating temperature range of -40°C to +105°C, making it suitable for use in hostile environments.

The VE-20V-EY is also suitable for avionics applications, where specific safety requirements must be met. It complies with MIL-STD-704F and RTCA/DO-160G, making it suitable for applications in aviation and military systems. The VE-20V-EY features advanced power management capabilities, including line sense input selection, voltage scaling, and current limiting, enabling it to provide a reliable and efficient power supply for demanding loads.

In medical applications, the VE-20V-EY can be used to power medical equipment, such as patient monitors, imaging systems, and surgical instruments. It helps maintain and supply a constant voltage level to power sensitive equipment, while also providing power in the event of a power outage. This makes the VE-20V-EY an ideal solution for applications that require a secure and reliable power supply.

The working principle of the VE-20V-EY DC-DC converter is based on a pulse-width-modulated (PWM) design. This is a technology which uses a specific modulation technique to control the duty cycle of a single digital pulse in order to adjust the amplitude of the output voltage. The PWM design yields improved efficiency and a wide range of output currents and voltages. In addition, the VE-20V-EY utilizes a buck-boost topology, allowing it to run in any mode, including step up, step down, and input voltage following.

The VE-20V-EY provides many features to make it suitable for a wide variety of applications. This includes input filtering and surge protection, active frequency division for high power operation, digital monitoring of voltage and current, and active current sharing for parallel operations. In addition, the VE-20V-EY is offered in a half-brick, quarter-brick, and eighth-brick packages for flexible installation.

In conclusion, the VE-20V-EY DC-DC converter is a reliable and efficient device for industrial, medical, and avionics applications. It has a wide output voltage range and an adjustable current limit, making it suitable for powering a variety of sensitive loads. The VE-20V-EY utilizes a pulse-width-modulated design and buck-boost topology to provide efficient power delivery, as well as additional features to allow for flexible installations in any system.

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