VSBU-120-18

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AC/DC converters are devices used to convert alternating current (AC) voltage to direct current (DC) voltage, and vice versa. The VSBU-120-18 is a type of AC/DC converter, specifically a buck converter, that is used in a wide variety of applications and industries. This article will discuss the application field and working principle of the VSBU-120-18.

Application field of the VSBU-120-18

The VSBU-120-18 is used in a variety of applications and industries. It can be used to provide DC power for a variety of electronic devices, including medical equipment, avionics equipment, and communications equipment. It can also be used to provide power for robots, power tools, and appliances. Additionally, it can be used to supply power for mining, oil rigs, or other remotely operated systems.

The VSBU-120-18 has a wide range of input voltages, from 9 V to 210 VAC, making it suitable for applications of almost any voltage. Additionally, it is small and compact, making it easily adaptable to a variety of applications. It is also efficient, having an efficiency rating of up to 90%.

Working Principle of the VSBU-120-18

The VSBU-120-18 is a buck converter, meaning it uses a buck topology in order to convert AC voltage to DC voltage. This converter works by using an input capacitor to store energy and provide a steady input voltage. The input voltage is then fed into a transformer, which is used to step down the voltage to a lower level. The output voltage is then rectified and smoothed by a diode bridge and an output capacitor, creating a steady DC voltage.

In order to control the output voltage, the VSBU-120-18 uses an integrated control circuit. This control circuit uses pulse-width-modulation (PWM) to switch the transformer’s primary side on and off. By changing the on/off times of the primary side, the duty cycle of the output voltage is changed. This in turn affects the output voltage, allowing the VSBU-120-18 to maintain a constant output voltage regardless of fluctuations in the input voltage.

The VSBU-120-18 is also designed with several protection features, including over-current, short-circuit, and over-temperature protection. These features help to ensure the safety of the converter and its components, making it suitable for a wide variety of applications.

Conclusion

The VSBU-120-18 is a type of AC/DC converter, specifically a buck converter, that has a wide range of uses and applications. It is small, efficient, and has an adjustable output voltage, making it suitable for a variety of applications. Additionally, it is protected against over-current, short-circuit, and over-temperature, making it safe to use. With its wide range of features and applications, the VSBU-120-18 is an ideal choice for a variety of AC/DC conversion needs.

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