QW020A0G71-H

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DC-DC converters are a type of power supply circuits used for low-voltage applications. They convert higher voltage direct current (DC) into either constant current or variable voltage DC. The QW020A0G71-H DC-DC Converter is a regulated three-phase input, high frequency pulse width modulation (PWM) power supply. It is designed for use in control systems, robotics, medical equipment, home appliances, and many other applications.

The QW020A0G71-H offers an input frequency range of 18 to 20 kHz and is rated for up to 600 VDC. It is also protected against overload, short circuit, and reverse polarity, and it features under-voltage lockout and over-current protection. The converter supports the Electrodynamic Standard (EN 61000-3-2, Level 3) and has an efficiency rate of up to 89%.

The working principle of the QW020A0G71-H is based on the concept of pulse width modulation (PWM). PWM is a type of power conversion method that utilizes pulses of varying width to control the current transfer from a higher voltage DC source to a lower voltage DC source. The higher the number of pulses per second, the higher the current transfer efficiency. The QW020A0G71-H has a switching frequency of 18 to 20 kHz, which is much higher than the standard DC input, allowing it to achieve higher levels of efficiency.

The converter also features a wide voltage range. This is achieved through the use of voltage feedback control, which allows the output voltage to be adjusted depending on the input power source. Additionally, the converter has a temperature compensation feature, which allows it to automatically adjust the output voltage according to the ambient temperature.

The QW020A0G71-H is a versatile power supply capable of supplying a wide range of electrical loads. Its three-phase input design makes it an ideal choice for a variety of applications, including industrial control systems, robotics, medical equipment, and home appliances.

This converter offers a high level of flexibility and reliability, making it an ideal choice for any DC-DC application. Its wide voltage range, high efficiency, and temperature compensation capabilities make it an excellent solution for a variety of applications.

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