Stabilized DC voltage is required to run electric appliances stably. That is why stabilized DC power supply exists. Currently, mode for stabilized DC power supply roughly classified into switching mode and series mode.

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SMPS Technology Update – RSLLSO
RS – Resource Saving
LL – Long Life
SO – Safety Oriented

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Choosing A Switching Power Supply: –
Lifespan, Ambient Temperature, Application Protection, Safety Standard/EMC Regulation and Cost.

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Conditions for good power supply

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