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How smps works

How smps works



A switched-mode power supply (SMPS), 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 (often mains power), to DC loads, such as a personal computer, while converting voltage and current characteristics. Unlike a linear power supply, the pass transistor of a switching-mode supply continually switches between low-dissipation, full-on and full-off states, and spends very little time in the high dissipation transitions, which minimizes wasted energy. Ideally, a switched-mode power supply dissipates no power. Voltage regulation is achieved by varying the ratio of on-to-off time. In contrast, a linear power supply regulates the output voltage by continually dissipating power in the pass transistor. This higher power conversion efficiency is an important advantage of a switched-mode power supply. Switched-mode power supplies may also be substantially...

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2 Comments

  1. Date: June 17, 2018 at 18:14

    The background music is so loud that its very difficult to hear. Actually in technical illustrations zero music is better as each and every word is important.

  2. Date: August 12, 2018 at 05:42
    Author: Eric jones

    Indian people need their own youtube. I can't understand a damn thing.

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