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  • 10-16 2021
    Herry.Han
    https://search.kemet.com/component-edge/#/browsing/technology?search=
  • 10-07 2021
    Herry.Han
    https://e2e.ti.com/blogs_/b/powerhouse/posts/how-to-reduce-acoustic-noise-of-mlccs-in-power-applications Other Parts Discussed in Post: TPS51622 Multilayer ceramic capacitors (MLCCs) are popular in power electronics designs compared to traditional polymer capacitors for many reasons: An MLCC provides: A small profile with relatively higher capacitance. Very low equivalent series resistance (ESR). Very low equivalent series inductance (ESL). Lower impedance at higher frequencies. Non-polarization for easier mounting and manufacturing. Higher reliability over time compared to tantalum and aluminum electrolyte capacitors. Lower unit costs. However, MLCCs do not always sit quietly on the board and do their job. Sometimes they get bored and start to “sing.” This is due to the piezoelectric effect of the ceramic material, which has the same...