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Article | REF: E380 V1

Stabilized DC power supplies

Author: Bernard BOUTOUYRIE

Publication date: May 10, 2002

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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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