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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">pimi</journal-id><journal-title-group><journal-title xml:lang="ru">Приборы и методы измерений</journal-title><trans-title-group xml:lang="en"><trans-title>Devices and Methods of Measurements</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2220-9506</issn><issn pub-type="epub">2414-0473</issn><publisher><publisher-name>BNTU</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21122/2220-9506-2025-16-1-63-68</article-id><article-id custom-type="elpub" pub-id-type="custom">pimi-929</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Методы измерений, контроля, диагностики</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Methods of measurements, monitoring, diagnostics</subject></subj-group></article-categories><title-group><article-title>Исследование влияния топологии интегральной микросхемы стабилизатора напряжения на его радиационную стойкость</article-title><trans-title-group xml:lang="en"><trans-title>Study of the Influence of the Voltage Regulator Integrated Circuit Topology on its Radiation Hardness</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кульченков</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Кulchenkov</surname><given-names>Е. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>бул. 50 лет Октября, 7, г. Брянск,241035</p></bio><bio xml:lang="en"><p>blvd. 50 let Oktyabrya, 7, Bryansk241035</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Демидов</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Demidov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>бул. 50 лет Октября, 7, г. Брянск,241035</p></bio><bio xml:lang="en"><p>blvd. 50 let Oktyabrya, 7, Bryansk241035</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рыбалка</surname><given-names>С. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Rybalka</surname><given-names>S. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Адрес для переписки: Рыбалка С.Б. -Брянский государственный технический университет, бул. 50 лет Октября, 7, г. Брянск,241035, Россия e-mail: sbrybalka@yandex.ru</p></bio><bio xml:lang="en"><p>Address for correspondence: Rybalka S.B. - Bryansk State Technical University, blvd. 50 let Oktyabrya, 7, Bryansk241035, Russia e-mail: sbrybalka@yandex.ru</p></bio><email xlink:type="simple">sbrybalka@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Брянский государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Bryansk State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>27</day><month>03</month><year>2025</year></pub-date><volume>16</volume><issue>1</issue><fpage>63</fpage><lpage>68</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кульченков Е.А., Демидов А.А., Рыбалка С.Б., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Кульченков Е.А., Демидов А.А., Рыбалка С.Б.</copyright-holder><copyright-holder xml:lang="en">Кulchenkov Е.A., Demidov A.A., Rybalka S.B.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://pimi.bntu.by/jour/article/view/929">https://pimi.bntu.by/jour/article/view/929</self-uri><abstract><p>Рассмотрен метод регистрации отклика на радиационное воздействие с использованием рентгеновского комплекса РИК-0401 и показано, что для линейных стабилизаторов напряжения интегральных схем он позволяет диагностировать наличие изменений в их топологии. Исследованы 4 типа микросхем ИС-ЛС1-1.8В, которые по основным электрическим параметрам эквивалентны, но имеют отличия в исполнении выходного ключа (вертикальные транзисторы с различным разведением базы), токовых зеркал и дифференциальных каскадов: c измененным исполнением базы выходного ключа и вертикальными p-n-p-структурами (Тип 1); с измененным исполнением базы выходного ключа и смешанными (латеральные + вертикальные) p-n-p-структурами (Тип 2); с исполнением базы выходного ключа как у зарубежного аналога и вертикальными p-n-p-структурами (Тип 3); с исполнением базы выходного ключа как у зарубежного аналога и смешанными (латеральные + вертикальные) p-n-p-структурами (Тип 4). По результатам исследования установлено, что наибольшую радиационную стойкость к эффектам поглощённой дозы демонстрируют образцы микросхемы стабилизатора напряжения ИС-ЛС1-1.8В Типа 1 и Типа 2. Для исследования образцов линейного стабилизатора на стойкость к воздействию импульсного ионизирующего излучения использовался лазерный комплекс РАДОН-23 с максимальной плотностью энергии 200 мДж/см2. Установлено отсутствие тиристорного эффекта в исследованных Типах 1–4 линейного стабилизатора напряжения ИС-ЛС1-1.8В. Полученные результаты позволяют разрабатывать способы повышения радиационной стойкости линейного стабилизатора напряжения ИС-ЛС1-1.8В путём варьирования топологии интегральных микросхем и выбирать наиболее выгодный вариант изготовления выходного ключа.</p></abstract><trans-abstract xml:lang="en"><p>Method of recording responses to radiation exposure is considered using the X-ray complex RIK-0401 and it is shown that for linear voltage regulators integrated circuits it allows diagnosing presence of changes in their topology. Four types of integrated circuits (ICs) of IS-LS1-1.8V type have been studied. They are equivalent in their main electrical parameters, but have differences in the output key design (vertical transistors with different base wiring), current mirrors and differential stages. ICs have modified design of the output key base: 1) vertical p-n-p-structures (Type 1); 2) mixed (lateral+vertical) p-n-p-structures (Type 2); 3) design as in the foreign analogue and vertical p-n-p-structures (Type 3); 4) design as in the foreign analogue and mixed (lateral+vertical) p-n-p-structures (Type 4). It has been found that the highest radiation hardness to the total ionizing dose effects is demonstrated by samples of Type 1 and Type 2. RADON-23 laser complex (with a maximum energy density of 200 mJ/cm2) has been used for examination of voltage regulator samples to impulse ionizing radiation hardness. The thyristor effect has not been fixed in all studied samples of Type 1–4. Results of the research allow developing methods for increasing the radiation hardness of the IS-LS1-1.8V by varying the topology of microcircuits and choosing the most advantageous option for manufacturing the output key.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>стабилизатор напряжения</kwd><kwd>эффекты поглощенной дозы</kwd><kwd>ионизирующее излучение</kwd><kwd>радиационная стойкость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>voltage regulator</kwd><kwd>total ionizing dose effects</kwd><kwd>ionizing radiation</kwd><kwd>radiation hardness</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Результаты НИОКР получены в ходе реализации проекта «Интегральные микросхемы преобразователей аналоговых сигналов в металлополимерных корпусах различных типов: разработка и освоение технологии, замена импортных аналогов и организация серийного производства» (соглашение с Минобрнауки России от 9 февраля 2023 г. № 075-11-2023-008) с использованием мер государственной поддержки, предусмотренных постановлением Правительства Российской Федерации от 9 апреля 2010 г. № 218.</funding-statement><funding-statement xml:lang="en">The results of the Research and Development have been achieved during the implementation of the project ''Integrated microcircuits of analog signal converters in metal-polymeric package of various types: development and mastering of technology, replacement of imported analogs and organization of serial production'' (agreement with the Russian Ministry of Science and High Education of 9 February 2023 No. 075-11-2023-008) using state support measures provided by the Russian Federation Government's Decree of 9 April, 2010 No. 218.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Patrick DRS, Fardo W, Richardson RE, Chandra V. 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