What Is the Difference Between a DC/DC Converter and a DC/DC Controller?

AI Thread Summary
A DC/DC converter is a complete circuit that includes a controller, switching elements, and magnetics to convert voltage levels. In contrast, a DC/DC controller is specifically the control component that regulates the operation of the converter. The controller typically requires external components, such as protection circuits and filters, to function effectively. Understanding this distinction is crucial for designing efficient power supply systems. Overall, the controller is a vital part of the broader converter system.
alexhong81
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I am just wondering, what is the difference between a DC/DC converter or DC/DC Controller?
It seems to be a same voltage converter IC?
 
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alexhong81 said:
I am just wondering, what is the difference between a DC/DC converter or DC/DC Controller?
It seems to be a same voltage converter IC?

You might need to elaborate on your question, or show us where you are seeing these terms. But in general, a DC-DC controller circuit (an IC or discrete circuit) is the control element in an overall DC-DC converter circuit. The overall circuit includes the switching magnetics, for example.
 
Thanks Berkeman, yup, I guess you are right. Some of it having external circuit like protection circuit or filtering.
 

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