RAC20-12SB-ST

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AC DC Converters: RAC20-12SB-ST Application Field and Working Principle

AC/DC converters are ubiquitous components in many different systems and application areas. The RAC20-12SB-ST AC/DC converter is widely used in applications across multiple industries. This article will discuss the application fields and working principle of the RAC20-12SB-ST AC/DC converter.

The most common application field for the RAC20-12SB-ST AC/DC converter is industrial control systems. The surge protector contained in the AC/DC converter helps protect against power over-voltage, power under-voltage, and over-current and help maintain consistent voltage and current levels. This is especially important for motor control systems, where wide voltage fluctuations can damage or otherwise impair the functioning of equipment.

The RAC20-12SB-ST AC/DC converter is also used in the medical industry. It helps to provide consistent and reliable power to medical devices. Moreover, the surge protection prevents electrical shocks to both patients and medical staff. It is also used in industrial automation systems due to its high efficiency and accurate current control.

The RAC20-12SB-ST AC/DC converter is also used in automotive systems, including electric vehicles. It provides consistent power to the vehicle’s electrical systems, and the surge protection prevents electrical system damage in the event of sudden power changes or short-term overloads due to acceleration or other sudden changes in power.

The RAC20-12SB-ST AC/DC converter also has a number of specialized uses, such as in telecommunications systems, avionics systems, test and measurement applications, and robotics. In each of these cases, the RAC20-12SB-ST AC/DC converter is used to provide reliable, consistent power and to protect against power fluctuations and over-voltage.

The working principle of the RAC20-12SB-ST AC/DC converter is relatively simple. It uses a buck converter with a switching MOSFET as the power switch. The MOSFET is driven by a pulse-width modulated (PWM) signal from the controller. The PWM signal is generated by comparing the desired output voltage to the actual output voltage and adjusting the duty cycle of the PWM signal accordingly. This allows the output voltage to be precisely controlled.

The RAC20-12SB-ST AC/DC converter also includes input and output EMI filtering. The input filter is used to reduce conducted interference from the power line, while the output filter is used to suppress any noise generated by the converter itself. This helps to ensure that the converter meets electromagnetic compatibility (EMC) requirements.

In addition, the RAC20-12SB-ST AC/DC converter has built-in short-circuit protection. The converter will shut down in the event of a short-circuit, preventing damage to components and circuits. This is especially important in applications such as motor control, as a short-circuit can cause significant damage.

Overall, the RAC20-12SB-ST AC/DC converter is a versatile, reliable component suitable for many different applications. Its surge protection, excellent current control, and short-circuit protection make it an excellent choice for industrial, medical, automotive, and other specialized applications.

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