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About information presented in this cross reference

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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过电流保护功能

过电流保护操作图像
过电流保护操作图像

负载开关IC的过电流保护功能旨在当输出VOUT端子处于非预期短路模式时,通过抑制输出电流,保护装置免于因器件自身产生的热量而引起劣化或击穿。它也被称为电流限制或OCP(过电流保护)。东芝负载开关IC采用折叠式保护电路控制方法,有利于安全设计。

我们量产了一种内置过电流保护功能的折叠式负载开关IC。
例如,当负载短路时,当输出电流达到内部过电流极限时,负载开关内的MOSFET将被关闭,从而降低输出电压VOUT并限制输出电流IOUT。此功能将抑制过电流操作期间元件发热。每个产品的过电流值都有一个固定值,产品系列涵盖了从几百毫安的低电流值到超过1.0安的广泛范围。

负载开关IC内置过电流保护功能

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