{"title":"高效率DC-DC降压变换器，开关频率为60/120 mhz，输出电流为1a","authors":"M. Belloni, E. Bonizzoni, F. Maloberti","doi":"10.1109/ESSCIRC.2009.5325999","DOIUrl":null,"url":null,"abstract":"This DC-DC buck converter is able to operate up to 120-MHz switching frequency with peak power efficiency of 87% for 75% duty cycle and 93% at 60 MHz. Key feature of this design is a new control method that replaces the conventional op-amp based scheme. The proposed circuit uses a current-mode control and a voltage-to-pulse converter for the PWM. The circuit, fabricated using a 0.18-µm CMOS technology, reaches a peak load regulation of 20 mV/V and line regulation of 0.5 mV/V at 300 mA. The used 36-nH inductance and 4.7-µF capacitor are suitable for SiP realizations.","PeriodicalId":258889,"journal":{"name":"2009 Proceedings of ESSCIRC","volume":"500 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2009-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"13","resultStr":"{\"title\":\"High efficiency DC-DC buck converter with 60/120-MHz switching frequency and 1-A output current\",\"authors\":\"M. Belloni, E. Bonizzoni, F. Maloberti\",\"doi\":\"10.1109/ESSCIRC.2009.5325999\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This DC-DC buck converter is able to operate up to 120-MHz switching frequency with peak power efficiency of 87% for 75% duty cycle and 93% at 60 MHz. Key feature of this design is a new control method that replaces the conventional op-amp based scheme. The proposed circuit uses a current-mode control and a voltage-to-pulse converter for the PWM. The circuit, fabricated using a 0.18-µm CMOS technology, reaches a peak load regulation of 20 mV/V and line regulation of 0.5 mV/V at 300 mA. The used 36-nH inductance and 4.7-µF capacitor are suitable for SiP realizations.\",\"PeriodicalId\":258889,\"journal\":{\"name\":\"2009 Proceedings of ESSCIRC\",\"volume\":\"500 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2009-11-10\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"13\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2009 Proceedings of ESSCIRC\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ESSCIRC.2009.5325999\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2009 Proceedings of ESSCIRC","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ESSCIRC.2009.5325999","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
High efficiency DC-DC buck converter with 60/120-MHz switching frequency and 1-A output current
This DC-DC buck converter is able to operate up to 120-MHz switching frequency with peak power efficiency of 87% for 75% duty cycle and 93% at 60 MHz. Key feature of this design is a new control method that replaces the conventional op-amp based scheme. The proposed circuit uses a current-mode control and a voltage-to-pulse converter for the PWM. The circuit, fabricated using a 0.18-µm CMOS technology, reaches a peak load regulation of 20 mV/V and line regulation of 0.5 mV/V at 300 mA. The used 36-nH inductance and 4.7-µF capacitor are suitable for SiP realizations.
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