A Galvanic-Free Secondary-Side Control Flyback Converter with Digital Adaptive On-Time Control and Direct Sequence Spread Spectrum Technique for 15.5% Error Recovery Rate Improvement. - Wei-Cheng Huang; Yuan-Jin Li; Yi-Hsiang Kao; Ke-Horng Chen; Kuo-Lin Zheng; Ying-Hsi Lin; Shian-Ru Lin; Tsung-Yen Tsai (ESSCIRC, 2022)