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Lee, Myunghee
Automotive Electronic Systems and Semiconductor Lab
Research Interests
  • Automotive Electronic System Design
  • Automtoive Semicondutor IC design

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A 15-25-MHz and 1-mu s/0.4-A Load Response AOT Boost Converter Using an Accurate Feedforward-Path Current Sensor

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dc.contributor.author Hong, Woojin ko
dc.contributor.author Lee, Myunghee ko
dc.date.available 2021-11-18T08:41:51Z -
dc.date.created 2021-11-12 ko
dc.date.issued 2022-02 ko
dc.identifier.citation IEEE TRANSACTIONS ON POWER ELECTRONICS, v.37, no.2, pp.1205 - 1209 ko
dc.identifier.issn 0885-8993 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/54795 -
dc.description.abstract This letter presents a high-frequency boost converter using an accurate feedforward-path current sensor for the fast-load transient response. To operate with the switching frequency of up to 25 MHz, the proposed current sensor senses the inductor current with a fast-sensing response time of about 4.5 ns. It also provides more accurate sensing gain than previous current sensors. In addition, the adaptive on-time control method is used for the proposed converter to further enhance the transient responses. The converter has been fabricated using a 0.18-mu m CMOS process with a total chip area of 1.3 x 1.12 mm. It achieves a fast-load transient of only 1 mu s at a 400-mA load step, and peak efficiency of 91.5 and 88.2% at switching frequencies of 15 and 25 MHz, respectively. ko
dc.language 영어 ko
dc.publisher IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC ko
dc.title A 15-25-MHz and 1-mu s/0.4-A Load Response AOT Boost Converter Using an Accurate Feedforward-Path Current Sensor ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-85113889345 ko
dc.identifier.wosid 000707555600008 ko
dc.type.rims ART ko
dc.identifier.doi 10.1109/TPEL.2021.3106862 ko
dc.identifier.url https://ieeexplore.ieee.org/document/9521797 ko
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