UHP-350-3.3

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AC/DC converters are commonly used to transform alternating currents into direct currents or vice versa. The UHP-350-3.3 is a type of AC/DC converter often used in applications such as industrial automation, aerospace, and communications. This article provides an overview of the UHP-350-3.3’s application field and working principle.

Application Field

The UHP-350-3.3 offers output voltages in the range of 3.3 V and can provide up to 350 W of power. Its wide operating temperature range, from -20°C to 75°C, makes it suitable for use in many different types of environments. For example, it is ideal for applications in industrial automation due to its wide temperature range, high efficiency, and wide input voltage range of 90 V to 270 V.

The UHP-350-3.3 is also suitable for aerospace applications as it is able to maintain its high performance in extreme environments. It is also compliant with MIL-STD-810G standards, making it able to withstand shock and vibration. The UHP-350-3.3\'s wide input and output voltage range and low output ripple make it an ideal solution for communication systems.

Working Principle

The UHP-350-3.3 is a type of switch mode AC/DC converter. In this type of converter, the input AC voltage is switched by transistors to produce an output DC voltage. This process is known as pulse-width modulation (PWM). The frequency of the output voltage is determined by the frequency of the input voltage and the duty cycle of the pulse. The frequency of the output voltage can also be adjusted by a control circuit.

The UHP-350-3.3 employs cutting-edge power conversion technology. It uses synchronous rectification to reduce switching losses and maintain high efficiency. It also features current-mode control, which is more efficient than voltage-mode control for regulating output power. In addition, it uses active PFC (Power Factor Correction) to provide clean input current to reduce EMI (Electromagnetic Interference) and ensure safe operation. The UHP-350-3.3 also features soft-start technology for easy start-up.

Conclusion

The UHP-350-3.3 is a versatile and reliable AC/DC converter that is suitable for a variety of applications. Its wide temperature range, high efficiency, wide input and output voltage ranges, and low output ripple make it a great choice for industrial automation, aerospace, and communication systems. Its advanced power conversion technology, such as synchronous rectification, current-mode control, PFC, and soft start, make it an even more attractive choice.

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