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Design of a total-dose radiation hardened monolithic CMOS DC–DC boost converter

Liu Zhi, Ning Hongying, Yu Hongbo and Liu Youbao

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Abstract: This paper presents the design and implementation of a monolithic CMOS DC–DC boost converter that is hardened for total dose radiation. In order to improve its radiation tolerant abilities, circuit-level and device-level RHBD (radiation-hardening by design) techniques were employed. Adaptive slope compensation was used to improve the inherent instability. The H-gate MOS transistors, annular gate MOS transistors and guard rings were applied to reduce the impact of total ionizing dose. A boost converter was fabricated by a standard commercial 0.35 μm CMOS process. The hardened design converter can work properly in a wide range of total dose radiation environments, with increasing total dose radiation. The efficiency is not as strongly affected by the total dose radiation and so does the leakage performance.

Key words: DC–DC power converterboost converterradiation-hardening by designradiation hardenedtotal dose总剂量

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    Received: 18 August 2015 Revised: 28 December 2010 Online: Published: 01 July 2011

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      Liu Zhi, Ning Hongying, Yu Hongbo, Liu Youbao. Design of a total-dose radiation hardened monolithic CMOS DC–DC boost converter[J]. Journal of Semiconductors, 2011, 32(7): 075006. doi: 10.1088/1674-4926/32/7/075006 Liu Z, Ning H Y, Yu H B, Liu Y B. Design of a total-dose radiation hardened monolithic CMOS DC–DC boost converter[J]. J. Semicond., 2011, 32(7): 075006. doi: 10.1088/1674-4926/32/7/075006.Export: BibTex EndNote
      Citation:
      Liu Zhi, Ning Hongying, Yu Hongbo, Liu Youbao. Design of a total-dose radiation hardened monolithic CMOS DC–DC boost converter[J]. Journal of Semiconductors, 2011, 32(7): 075006. doi: 10.1088/1674-4926/32/7/075006

      Liu Z, Ning H Y, Yu H B, Liu Y B. Design of a total-dose radiation hardened monolithic CMOS DC–DC boost converter[J]. J. Semicond., 2011, 32(7): 075006. doi: 10.1088/1674-4926/32/7/075006.
      Export: BibTex EndNote

      Design of a total-dose radiation hardened monolithic CMOS DC–DC boost converter

      doi: 10.1088/1674-4926/32/7/075006
      • Received Date: 2015-08-18
      • Accepted Date: 2010-10-09
      • Revised Date: 2010-12-28
      • Published Date: 2011-06-22

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