SG6980DDZ

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SG6980DDZ is an integrated PFC controller suitable for use in universal power supply systems above 40W. It is part of a larger family of integrated power factor correction controllers that incorporate many more features for a more complete power efficiency. The SG6980DDZ is specifically designed for high power factor, load matching, and current/voltage monitoring, switching and control.

Power Factor Correction (PFC) is a method of minimising line losses, improving power quality and reducing energy costs in AC power supplies. PFC is essentially a method of improving the power factor, the ratio of active power to apparent power, which reduces the harmonic content of current and reduces current distortion.

The primary components of a PFC system are the input stage, the boost stage and the output stage. The input stage is the first stage of an AC power supply circuit and is responsible for rectifying the incoming AC voltage. The AC voltage must be converted to a suitable DC voltage in order for it to be used in the circuit. In the boost stage, the DC voltage is then used to charge a capacitor and the output of the boost stage is a regulated DC voltage.

The output stage is responsible for controlling the regulated DC voltage and to ensure that the load is supplied with the correct voltage. The power factor correction circuitry is also included in the output stage, which is responsible for correcting any current or voltage variations in the output and providing a high power factor.

The SG6980DDZ is a versatile, high-efficiency and low-threshold power factor controller. It features a high power factor correction efficiency, up to 99%, and a wide input voltage operating range. Its unique over-voltage, over-current and short-circuit protection reduces the risk of system damage and improves reliability and safety.

The SG6980DDZ also features efficient power conversion, high power density, fast response time and good EMI suppression. This makes it suitable for large-scale power systems, such as server systems, and other high-power, low-loss applications. The integrated PFC controller has onboard regulation and precise switching control that enables smooth and efficient converter control, improving the stability and accuracy of the system\'s output.

The SG6980DDZ is also easy to install, reducing design complexity and enabling fast deployment. It is also capable of low-loss operation from light to full load. With the integrated power factor correction and input current control, the SG6980DDZ makes it possible to run the power supply circuit efficiently with minimal ripple and noise, making it suitable for high power-demanding applications.

Overall, the SG6980DDZ is an excellent choice for power supplies and provides a high level of accuracy and reliability. Its combination of high power factor correction, low-loss operation, efficiency, and protection make it one of the best integrated PFC controllers on the market today.

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