VI-25W-MY

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DC-DC converters can be used to convert an unregulated DC voltage to a lower regulated voltage by using an input DC source, such as from a battery. The VI-25W-MY is a DC-DC converter manufactured by Vicor that is a 25W module power converter. It has features such as an integrated EMI filter and wide input voltage range, and is suitable for applications where space is at a premium while still providing reliable and efficient power conditioning.

VI-25W-MY Application Field and Working Principle

The VI-25W-MY is used in many applications, such as building automation and automotive systems, industrial and LED lighting, mechanical instrumentation, test and measurement, motor control systems, and more. Due to its wide input voltage range, it can work in applications which have a wide range of input supply voltage. It converts the input to a specific output voltage, with a maximum output of 60 VDC, depending on the version chosen. The VI-25W-MY also offers high efficiency and long-term reliability.

The VI-25W-MY features an integrated EMI filter, which is designed to ameliorate the effects of conducted emissions and radiated field radiation. This ensures that the device meets the required emissions standards for the specific application. Additionally, the filter helps to reduce the noise from the power supply, which is important for some applications such as medical systems.

The VI-25W-MY is designed to operate on an unregulated DC input voltage, which could be from a battery or AC adapter. It uses a switching regulator to convert the input voltage into a lower, regulated voltage. The step-down converter is based on an insulated gate bipolar transistor (IGBT). This is a semiconductor device with four terminals consisting of two bipolar transistors and two insulated gate transistors, which helps to reduce power consumption. The VI-25W-MY uses Pulse Width Modulation (PWM) to control the output of the converter.

The VI-25W-MY also has protection features such as short circuit protection, overload protection, and thermal protection. The short circuit protection is designed to shut off the output current when an over-current condition occurs. The overload protection trips when the output current exceeds a specified value and the thermal protection shuts off the converter if the temperature of the system exceeds a predetermined value.

The VI-25W-MY has several benefits compared to other power converters, such as being lightweight, compact, and having a high efficiency rating of up to 90%. It also offers robustness, high reliability, low EMI and low ESR. The VI-25W-MY is also designed to operate at temperatures ranging from -30°C up to +85°C, which makes it suitable for a wide range of applications.

Overall, the VI-25W-MY is a highly efficient, reliable power converter designed for a variety of applications which require wide input voltage ranges and durable performance. It features a wide array of features, protection, and benefits which make it suitable for a wide range of applications.

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