型号：LD5523D2GL；Package：SOT-26；PWMQR Multi-mode Controller with Primary Side Regulation

General Description In order to enhance the efficiency performance, the LD5523D2 integrates the multi-mode PWM controller, which consists of Quasi-Resonant (QR) PWM control for light load condition and Continue Conduction Mode (CCM) for heavy load condition. Moreover, the QR controller gains

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