[1] [1] LEE T J, HSE C H, WANG C C. High efficiency buck converter with wide load current range using dual-mode of PWM and PSM ［C］ // IEEE ISCAS. Sapporo, Japan. 2019: 1-4.

[2] [2] YE Y D, QIU J P, DONG L L, et al. PWM/PSM dual-mode controller for high efficiency DC-DC buck converter ［C］ // IEEE PEEC. Sabah, Malaysia. 2010: 25-31.

[3] [3] CHIN W C, JYE H C. An on-chip PWM-based DC-DC buck converter design with high-efficiency light load mode operation ［C］ // Int WCSE. Bangkok, Thailand. 2018: 146-150.

[4] [4] DANG D, QUOC T T, VAN K N. A 65-nm CMOS high-efficiency PWM/PFM buck converter with bypass mode for transceiver applications ［C］ // IEEE ICICDT. Ho Chi Minh City, Vietnam. 2016: 1-4.

[5] [5] KIM S J, CHOI W S, PILAWA-PODGURSKI R, et al. A 10-MHz 2-800-mA 05-15-V 90% peak efficiency time-based buck converter with seamless transition between PWM/PFM modes ［J］. IEEE J Sol Sta Circ, 2017, PP(99): 1-11.

[6] [6] YU J H, HWANG I, KIM N. High performance CMOS integrated PWM/PFM dual-mode DC-DC buck converter ［C］ // Int Scient Conf EPE. Ostrava, Czech Republic. 2017: 1-4.