VAN TUAN NGUYEN; MANH KHA HOANG; PHAM, Xuan Thanh. A high-efficiency positive buck–boost converter with three-mode selection circuit and soft start circuit. <b>Vietnam Journal of Science and Technology</b>, Hanoi, VN, v. 63, n. 4, p. 792–805, 2025. DOI: 10.15625/2525-2518/19639. Disponível em: https://vjs.ac.vn/jst/article/view/19639. Acesso em: 10 jan. 2026.