SHP350PS12

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AC/DC converters are widely used in a variety of applications, including powering electronic devices, controlling motors, and providing electrical isolation. The SHP350PS12 is a high-performance AC/DC converter designed specifically for heavy-duty applications. It is capable of delivering up to 350W of power and a maximum output current of 12A. It offers a high efficiency of up to 95% and a wide input voltage range from 90 to 264 VAC. Furthermore, it is designed with built-in protection functions such as over-voltage, over-current, and overheating protection, making it suitable for a variety of demanding applications.

The SHP350PS12 is a synchronous, fixed frequency, non-isolated buck power converter. It features two separate control loops that work together to provide a stable and regulated output voltage. The first loop is the voltage mode loop which is used to maintain a steady output voltage by regulating the current drawn from the input source. This is accomplished by controlling the output switching frequency of the converter. The second loop is the current mode loop which is used to regulate the output current by adjusting the duty cycle of the switching action.

The voltage mode loop consists of an inner voltage loop and an outer current loop. The voltage loop, also known as the inner loop, is used to regulate the output voltage and is implemented with a proportional-integral controller. The current loop, also known as the outer loop, is used to regulate the output current and is implemented with a proportional-integral-derivative (PID) controller. The voltage and current loops operate in tandem to ensure a stable and accurate output voltage.

The SHP350PS12 also features a built-in fan speed control circuit. This circuit automatically adjusts the speed of the cooling fan according to the temperature of the converter, allowing the fan to operate at a constant speed while consuming the least amount of power. In addition, the converter has a soft-start circuit which helps reduce the surge current at start-up by gradually increasing the output voltage over a period of time.

In conclusion, the SHP350PS12 is a high-performance AC/DC converter designed specifically for heavy-duty applications. It offers a high efficiency of up to 95% and a wide input voltage range from 90 to 264 VAC. Furthermore, it is designed with built-in protection functions such as over-voltage, over-current, and overheating protection, making it suitable for a variety of demanding applications. Its synchronous, fixed frequency, non-isolated buck power conversion topology ensures a stable and regulated output voltage, while its built-in fan speed control circuit and soft-start circuit further enhance the overall performance and safety of the converter.

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