AND9176-D
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AND9176D Designing a QuasiResonant Adaptor Driven by the NCP1339 Quasisquare wave resonant converters also known as QuasiResonant QR converter are widely used in the adaptor market They flyback SwitchedMode Power Supply SMPS with reduced ElectroMagnetic EMI signature and improved efficiency However a major drawback of the structure is that the frequency can become dramatically high at light load Interference allow designing In traditional QR converters the frequency is limited by a frequen......
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