SG6961SY

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Power Factor Correction (PFC) devices are used in a variety of industrial and commercial applications. The SG6961SY is one such device, and has been designed to perform this important function efficiently and reliably. The device is a Pulse Width Modulated (PWM) controller for Power Factor Correction (PFC), and has been specifically designed for applications where high conversion efficiency and low input current distortion is required.

The SG6961SY implements the discontinuous conduction mode (DCM) of the PFC control and utilizes a current feedback loop to achieve high accuracy voltage regulation and PFC performance. By implementing the DCM, the SG6961SY is able to achieve higher efficiency with minimal input distortion over the full load range. The device is designed to work with various types of synchronous rectifiers including MOSFET, IGBT and e-type. It also offers a wide range of application possibilities such as computing, server and non-isolated DC/DC topologies.

The SG6961SY operates by taking the input AC power and converting it into a regulated DC voltage while maintaining high power factor with low current harmonics. The device functions by using a Pulse Width Modulated (PWM) control scheme with a current feedback loop. This is done by measuring the output rectifier current and then using this information to generate the PWM signal for the primary power switch. To ensure optimal regulation performance, the SG6961SY utilizes a 1400V supply voltage rating and a PFC control circuit with an accuracy of +/-±1%.

The SG6961SY can be used in a variety of applications such as computing, server, standby and offline power supplies, as well as in industrial power applications. It features a wide operating temperature range of - 40°C to + 105°C and provides a wide voltage range of up to 1000V. The device also offers stability when there is a load or line transient, with a maximum line transient of ±10%. The SG6961SY is equipped with an overload protection circuit that ensures load and line protection and is designed to meet EN60950 standard.

The SG6961SY is a highly efficient PFC controller that can be used in a variety of applications. It utilizes a PWM control scheme with a current feedback loop to maintain high power factor and low current distortion. The device is designed to work with various types of synchronous rectifiers, offers a wide range of application possibilities, and features a wide operating temperature range and a wide voltage range. In addition, it offers a high degree of stability during load or line transients and is equipped with a built-in overload protection circuit.

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