Self-adjustable feed-forward control and auto-tracking off-time control techniques for 95% accuracy and 95% efficiency AC-DC non-isolated LED driver. - Hsin Chen; Chi-Wei Chen; Hsueh-Yi Hsieh; Ke-Horng Chen; Tsung-Yen Tsai; Jian-Ru Lin; Ying-Hsi Lin; Chao-Cheng Lee; Pei-Ling Tseng (ISCAS, 2015)