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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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对于可调输出LDO，与外部电阻其中之一并联的电容器，其作用和目的是什么？
可调输出的LDO的输出电压可通过两个电阻来设置。并联在上电阻（R1）的电容器称为反馈电容器（CFB）。增设该电容器的目的是防止振荡、改善负载瞬变响应并提高纹波抑制比（R.R.）（亦称为电源抑制比或PSRR）。CFB和R1归零，从而提供超前相位补偿，增加振荡裕度并改善负载瞬态响应。