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	Design of high-performance voltage regulators based on frequency-dependent feedback factor
	Shen, Liangguo ; Yan, Zushu ; Zhang, Xing ; Zhao, Yuanfu ; Wang, Yuan
	2007
英文摘要	A novel scheme is presented for achieving high performance low-dropout (LDO) voltage regulators under the constraint of low supply voltage. This scheme makes use of a frequency-dependent feedback factor (FDFF). The FDFF has simple circuit structure and frequency dependent gain. When it is used in the proposed LDO, the low voltage operation ability, wide-band high power-supply rejection (PSR) characteristic and excellent transient response performance can be obtained. Simulation results show that this LDO can work properly at 1.2-V supply voltage, and the overshoot is only 1mV, while the PSR is better than -40dB from dc to 100-MHz. Therefore, the FDFF based LDO is well suited for low-voltage ripple-sensitive applications.; Computer Science, Artificial Intelligence; Computer Science, Software Engineering; Engineering, Biomedical; Engineering, Electrical & Electronic; Mathematical & Computational Biology; Nanoscience & Nanotechnology; Imaging Science & Photographic Technology; Telecommunications; CPCI-S(ISTP); 3
语种	英语
DOI标识	10.1109/ISCAS.2007.377873
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/153370]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Shen, Liangguo,Yan, Zushu,Zhang, Xing,et al. Design of high-performance voltage regulators based on frequency-dependent feedback factor. 2007-01-01.

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