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What points should be noted when using the HT77XX series DC/DC Converters in a practical circuit?

April 26, 2017circuit converters dc ht77xx noted Points practical SERIES

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What points should be noted when using the HT77XX series DC/DC Converters in a practical circuit?

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Answer Because the HT77XX series devices use PFM (Pulse Frequency Modulation) to implement their DC to DC conversion, to reduce ripple and provide a stable output voltage, an inductor of value around 100uH should be connected to the voltage input.