| 一种双极工艺下抗辐照PWM推挽转换电路的研究 |
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| 引用本文： | 李俊宏,李平,张国俊,翟亚红,许剑波.一种双极工艺下抗辐照PWM推挽转换电路的研究[J].电子学报,2011,39(11):2492-2496. |
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| 作者姓名： | 李俊宏 李平 张国俊 翟亚红 许剑波 |
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| 作者单位： | 电子科技大学电子薄膜与集成器件国家重点实验室,四川成都 610054 |
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| 摘 要： | 利用双稳态竞争原理,通过状态保持电路和状态转换电路的配合,实现一种基于双极器件的PWM推挽转换电路,该电路对辐照后双极器件的电流增益退化不敏感.采用华越双极2μm工艺进行流片而没有进行任何工艺加固.并在Co-60辐照源,5.6rad(Si)/s剂量率,100krad(Si)总剂量的条件下进行抗辐照实验,结果表明,单管的...
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| 关 键 词： | 推挽驱动 双极 抗辐照 脉冲宽度调制 双稳态 |
| 收稿时间： | 2010-09-02 |
The Studies of a Bipolar PWM Push-Pull Converter for Anti-Radiation Application |
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| LI Jun-hong,LI Ping,ZHANG Guo-jun,ZHAI Ya-hong,XU Jian-bo.The Studies of a Bipolar PWM Push-Pull Converter for Anti-Radiation Application[J].Acta Electronica Sinica,2011,39(11):2492-2496. |
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| Authors: | LI Jun-hong LI Ping ZHANG Guo-jun ZHAI Ya-hong XU Jian-bo |
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| Affiliation: | State Key Laboratory of Electronic Thin Films and Integrated Devices,University of Electronics Science and Technology of China,Chengdu,Sichuan 610054,China |
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| Abstract: | A push-pull PWM converter based on bipolar process is proposed and verified.The dual outputs status push-pull shifting is realized through the cooperation of a status maintainer and a status switcher.Utilizing the bi-stable race,the circuit is insensitive to the current gain degeneration caused by irradiation.The circuit is manufactured via HUAYUE 2μm bipolar process and irradiated by Co-60 radiation source at the 5.6rad(Si)/s dosage rate and 100krad(Si) total dose.The test results indicate that the circuit is functional correctly while the single NPN device has current gain degeneration of 55%~65%.The bipolar power device driven by converter is fully cut when turned off,and the turn on voltage drop sees 12%~22% increase only. |
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| Keywords: | push-pull converter bipolar anti-radiation pulse width modulation(PWM) bi-stable |
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