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Article | REF: E380 V1

Stabilized DC power supplies

Author: Bernard BOUTOUYRIE

Publication date: May 10, 2002 | Lire en français

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    5. Efficiency and cooling

    5.1 Efficiency and power dissipation

    By definition, efficiency is the ratio of output power to input power: η=Psortie Pentrée 

    The efficiency of a power supply is a very important parameter, as it determines the power dissipated in heat by the power supply, and therefore its temperature rise and MTBF.

    Figure 17 shows the power loss diagrams:

    P dissipated ...

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