RTL8111C-VB-GR 查看數據表（PDF） - Realtek Semiconductor

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RTL8111C-VB-GR

INTEGRATED GIGABIT ETHERNET CONTROLLER FOR PCI EXPRESS™ APPLICATIONS

Realtek Semiconductor 

RTL8111C

Datasheet

A ceramic 22µF (X5R) will have a lower voltage ripple compared to the electrolytic 100µF. The key to

choosing a proper output capacitor is to choose the lowest ESR to reduce the output voltage ripple.

Choosing a ceramic 22µF 0805 (Y5V) in this case will cause malfunction of the switching regulator.

Placing several Electrolytic capacitors in parallel will help lower the output voltage ripple.

Figure 15. Electrolytic 100µF (Ripple Too High)

Integrated Gigabit Ethernet Controller for PCI Express

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Track ID: JATR-1076-21 Rev. 1.5

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