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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.
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如下图所示,当MOSFET导通时,电流主要流经线圈和MOSFET。此时,能量均累积在线圈中。线圈可释放累积的能量并抑制电流变化。在MOSFET关断的瞬间没有电流流过,但由于该线圈的特性,电流流经二极管,电容器被充电。由于这种现象,输出电压超过了输入电压。