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A proprietary interleave-switching feature synchronizes the PFC and PWM stages and reduces switching noise. For PFC stage, the proprietary multi-vector control scheme provides a fast transient response in a low-bandwidth PFC loop, in which the overshoot and undershoot of the PFC voltage are clamped. If the feedback loop is broken, the SG6901A shuts off PFC to prevent extra-high voltage on output. For the flyback PWM, the synchronized slope compensation ensures the stability of the current loop under continuous-conduction-mode operation. Built-in line-voltage compensation maintains constant output-power limit. Hiccup operation during output overloading is also guaranteed. In addition, SG6901A provides protection functions, such as brownout and RI pin open/short protection

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Verified Supplier | Shenzhen Leading Chips Electronic And Technology Co., Ltd.
[ Guangdong, China (Mainland) ]
Business Type: Trading Company
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