注入电流控制DC-DC变换器过流限流模式下电流失控现象分析

[Proceedings] Thirteenth International Telecommunications Energy Conference - INTELEC 91 Pub Date : 1991-11-05 DOI:10.1109/INTLEC.1991.172381

H. Matsuo, F. Kurokawa, K. Tanaka

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引用次数: 3

摘要

在注入电流控制的DC-DC变换器过流限流模式中，经常观察到在负载电阻极小的情况下，过大电流流过主电源开关。研究了开关的最小导通时间间隔，分析了注入电流控制的DC-DC变换器过限流模式下的电流失控现象。阐明了电流失控现象的机理，提出了防止电流失控现象的设计条件。

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Analysis of the current runaway phenomenon in the overcurrent limited mode of the DC-DC converter with current-injected control

In the overcurrent-limited mode of the DC-DC converter with current-injected control, it is often observed that the excessive current flows through the main power switch when the load resistance is extremely small. The authors investigate the minimum on-time interval of the switch and analyze the current runaway phenomenon in the overcurrent-limited mode of a DC-DC converter with current-injected control. As a result, the mechanism of the current runaway phenomenon is clarified and the design condition for preventing this phenomenon is presented.<>

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[Proceedings] Thirteenth International Telecommunications Energy Conference - INTELEC 91

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