QGKF-100-5

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AC/DC converters are essential components in modern power electronics applications. They are critical components for providing efficient power transfer and conversion between AC and DC sources. The QGKF-100-5 AC/DC converter is a high-performance, cost-effective solution that can be used in a variety of applications ranging from household appliances, LED lighting devices, industrial control systems, medical, automotive and aerospace industries, military and surveillance system, and battery-powered devices.

The QGKF-100-5 is a high-efficiency, three-phase front-end AC/DC converter. It uses advanced digital control technology to ensure maximum efficiency, high power density, and reliable output. Its wide input voltage range from 168-264V AC and PFC efficiency up to 85.5% make it ideal for a variety of applications. The powerful D-CAP3 control algorithm ensures fast-response rapid transient and can work with power factor correcting (PFC) up to 0.99.

The QGKF-100-5 features a high accuracy current mode control and high switch frequency of up to 300kHz for better transient response and noise performance. It uses the latest GaN FET technology to deliver performance with low power dissipation. The QGKF-100-5 has an over-temperature protection system with adjustable limits for operating temperatures up to 140°C. It also has a comprehensive protection system, including over-current, over-temperature, over-voltage, VCC under-voltage, and output short-circuit protection.

The main working principle of the QGKF-100-5 AC/DC converter is through the rectifying bridge, energy storage element, switch device and control circuit. All these components lead to the output DC voltage, which is the current input to the load. In the first stage, the AC voltage is rectified to the DC voltage and stored in the energy storage element, either a capacitor or inductor, with the bridge rectifier. In the second stage, the switch is controlled by the control circuit so that the required DC output voltage from the output can be obtained. The switch modulates the current flow in the primary coil and the secondary coil in switching mode. The output DC voltage and current are finally obtained.

The AC/DC converter QGKF-100-5 has been designed for a variety of applications to provide excellent performance and efficiency. It uses advanced digital control technology and improved system protection relays for reliable operation. Its wide input voltage range and high switch frequency make it suitable for a variety of applications. The high power density, high efficiency, and low power dissipation make it an ideal solution for any application.

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