Question

What is SMPS why it is used ​

Answer 1

Answer:

Like other power supplies, an SMPS transfers power from a DC or AC source (often mains power, see AC adapter) to DC loads, such as a personal computer, while converting voltage and current characteristics. ... This higher power conversion efficiency is an important advantage of a switched-mode power supply.

Answer 2

Answer:

A switched-mode power supply is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Like other power supplies, an SMPS transfers power from a DC or AC source to DC loads, such as a personal computer, while converting voltage and current characteristics

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