← 返回 JSSC 论文列表JSSC 2013第3期Power Management0.35μm BCDMOS
Zero -Order Control of Boost DC-DC Converter With Transient Enhancement Scheme Tae-Hwang Kong, Student Member , IEEE, Y
提出一种新型零阶控制(ZOC)方案,用于PWM DC-DC转换器,通过比较器调节输出电压,实现高效率。
输入电压3.7V,输出电压8V,最大效率88%,输出功率480mW,开关频率833kHz
升压转换器比较器控制DC-DC功率转换负载独立控制瞬态增强
▸创新点1:零阶控制(ZOC)方案,通过消除控制环路极点对电感、输出电容和负载电流的依赖,简化了补偿器设计,提升了系统稳定性。
▸创新点2:比较器调节输出电压,替代传统的误差放大器,减少了电路复杂度,提高了响应速度和效率。
▸创新点3:瞬态增强技术,通过优化电感能量的积累和释放时间间隔,显著改善了转换器的瞬态响应性能。
▸创新点4:在0.35 BCDMOS工艺中实现,最大效率达88%,在480mW输出功率和833kHz开关频率下表现优异,负载电流范围40mA至300mA内效率保持85%以上。
Abstract
oo, Member , IEEE, Se-Won Wang , Student Member , IEEE,
Y ong-Joon Jeon, Member , IEEE, Sung-Wan Hong , Student Member , IEEE ,a n d
Gyu-Hyeong Cho, Senior Member , IEEE
Abstract—This paper proposes a new control scheme of
zero -order control (ZOC) for PWM DC-DC converters in which
t h ep o l ef r e q u e n c i e so ft h ec o n t rol loop are no longer dependent
on the values of the inductor, output capacitor, or the output
load current. In the proposed scheme, the output voltage of the
converte