Chapter: Linear Integrated Ciruits - Application of ICs

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Bypass Capacitors

High-frequency bypass capacitors are always recommended on the supply pins of IC devices, but if the devices are used in assemblies near switching converters bypass capacitors are absolutely required.

Bypass Capacitors:

 

High-frequency bypass capacitors are always recommended on the supply pins of IC devices, but if the devices are used in assemblies near switching converters bypass capacitors are absolutely required. The components which perform the high-speed switching (transistors and rectifiers) generate significant EMI that easily radiates into PC board traces and wire leads. To assure proper circuit operation, all IC supply pins must be bypassed to a clean, low-inductance ground.

 

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