Schematic

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Important note about standard 4-pin PC fan when using PWM signal to control it.

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Small thing, that could damage your devices and should be taken into account when using isolated DC-DC modules.

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How to deal with addressable RGB LED (like WS2812B) when you have only 3.3V rail?

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It's logical to just connect PHY to Ethernet switch using RJ45 Cat cable, but for real schematic you will want to use optimized solution without additional isolation transformer.

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Demonstration of the Power Good (PG) pin working of DC-DC converter and where it could be useful

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Category:DC-DC Converters, Buck-Boost, Low Power Consumption
Severity:๐ŸŸฅ High
Resolution:๐Ÿ“Ÿ Hardware
Description:When you have battery powered device with low power consumption the device current during standby should be as small as possible, so in this article you will see how important to have low quiescent current of DC-DC converter.
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Using new reference designator styles (U1 -> U1501) with page numbers to improve readability and modularity of the schematic sheets.

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