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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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对于模拟电路和IC电源等对噪声敏感的负载,请使用具有低输出噪声电压(VNO)和高纹波抑制比(R.R.)的LDO。出现在LDO输出端的噪声源大致可分为两类。一类是LDO内部产生的固有噪声,其中包括:
另一类噪声源是叠加在LDO的输入电压(供电电压)上的纹波噪声。尽管LDO在内部抑制了纹波噪声,但在输出端仍会出现一些纹波。LDO抑制输入电压到其输出的纹波的能力称为电源抑制比(PSRR)或纹波抑制比(R.R.)。关于纹波抑制比,另请参阅我公司网站常见问题(FAQ)页面上的“如何使用LDO稳压器创建低噪声电源?”部分。