* : Products list (parametric search)
* : Products list (parametric search)
* : Products list (parametric search)
* : Products list (parametric search)
* : Products list (parametric search)
* : Products list (parametric search)
* : Products list (parametric search)
* : Products list (parametric search)
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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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一般来说,双电源总线开关在上电和断电顺序上没有限制。即使其中一个电源先接通,器件也不会受到损坏。但是,上电顺序可能会有限制,请查看每个器件的数据表以获取详细信息。
以TC7WPB9306FK为例,描述上电时的操作。(参见图1)
当VCCA先导通,稍后VCCB导通时,开关不会打开,因为此时开关的栅极未施加足够的电压(直到约1.5V),不足以使其打开。
此外,如果VCCB导通而VCCA为0 V,则电平转换器不会启动,因此开关也不会导通。
但是,若要将此器件用作电压电平转换IC(电平转换器),请在(VCCA < VCCB)的条件下使用。
以下文档也包含相关信息。