A CMOS charge-pump circuit with adjustable current is presented.A bandgap voltage reference,a low drop-out regulator,and a capacitive DC-DC voltage-booster are used to generate supply voltage for the current reference...A CMOS charge-pump circuit with adjustable current is presented.A bandgap voltage reference,a low drop-out regulator,and a capacitive DC-DC voltage-booster are used to generate supply voltage for the current reference.This generated voltage is insensitive to the changes of external power supply voltage and temperature,while the current reference itself is insensitive to temperature.The circuit is designed in 0.18μm 1.8V standard digital CMOS process.The simulated results show that the performance of the circuit is satisfied.展开更多
为提高真空自耗电弧炉整流电源系统的性能及可靠、稳定性,设计了国产化8T真空自耗电弧炉2×20 k A/50 V整流电源系统,重点介绍了整流电源关键组成部分晶闸管调压系统、双反星整流变压器、Booster电源等设计原理。该系统经实际运行一...为提高真空自耗电弧炉整流电源系统的性能及可靠、稳定性,设计了国产化8T真空自耗电弧炉2×20 k A/50 V整流电源系统,重点介绍了整流电源关键组成部分晶闸管调压系统、双反星整流变压器、Booster电源等设计原理。该系统经实际运行一年,满足设计要求。展开更多
文摘A CMOS charge-pump circuit with adjustable current is presented.A bandgap voltage reference,a low drop-out regulator,and a capacitive DC-DC voltage-booster are used to generate supply voltage for the current reference.This generated voltage is insensitive to the changes of external power supply voltage and temperature,while the current reference itself is insensitive to temperature.The circuit is designed in 0.18μm 1.8V standard digital CMOS process.The simulated results show that the performance of the circuit is satisfied.