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Monolithic 230-V RMS-to-12-VDC ACDC Converter at 9 mWmm 2 Enabled by a 31325-V D
采用180nm高压SOI CMOS工艺实现的全集成230V交流至12V直流转换器，功率密度达9mW/mm²。
180nm SOI CMOS, 230Vrms输入, 12Vdc输出, 9mW/mm²功率密度, 55.1%效率
高压转换器开关电容全集成SOI工艺功率密度
▸采用低压配置开关并联重构的开关电容DC-DC转换器
▸高效预充电技术保护低压组件
▸集成线性稳压器减少零交叉缓冲电容
Abstract
This article introduces a fully integrated 230-
Vrms-to-12-Vdc AC–DC converter implemented in a 180-nm
high-voltage CMOS SOI technology. The primary block is a
switched-capacitor dc–dc converter (SCC), which is reconfigured
by parallelizing stages using low-voltage configuration switches.
These configuration switches are connected between internally
generated dc nodes that do not swing at the SCC switching
frequency, thereby avoiding the periodic charging of the corre-
sponding drain capacitance