Design Tips

September 2020
What to Consider in Regard to Switching Frequency

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Figure 1. An ADP2386 buck converter with its switching frequency set with resistor RT.

Switch-mode power supplies switch with a frequency that is either fixed, adjustable, or synchronized to an external clock. The value of the switching frequency determines the physical size and, accordingly, the cost of a supply’s capacitors and inductors. There is a trend toward higher switching frequencies to
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Date:
09/28/2020