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    The Golden Rule of Board Layout for Switch-Mode Power Supplies

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    Figure 1: The board of an LT8640S switching regulator with closely spaced components and thus a compact board layout

    The Golden Rule of Board Layout for Switch-Mode Power Supplies
    Frederik Dostal, Power Management Expert, Analog Devices

    ­This article explains the basis for achieving an optimized board layout, a critical aspect in the design of switch-mode power supplies. A good layout ensures stable functioning of the switching regulator and minimizes radiated interference as well as conducted interference (EMI). This is widely known by electronics dev
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    Date:
    11/01/2026
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