Kemet Lab Video: Understanding Ripple Voltage Based on Different Types of Capacitors

Source: Kemet video

Kemet Application Intelligence Center KAIC lab released a video that demonstrates how four different capacitor types affect the ripple voltage on a boost or buck regulator.

Each technology of capacitors is compared using the KAIC-RCE-001 board, which uses the same output capacitance bank at the output of a switching regulator. However, the ESR and ESL differences of each technology cause a different output ripple voltage.

The four capacitor types compared in this video are:

• MLCC multi layer ceramic capacitors
• AO-CAP SMD chip aluminum organic polymer capacitors
• KO-CAP tantalum organic polymer capacitors
• Aluminum Polymer electrolytic capacitors – can type

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