Measuring Power-Conversion Efficiency (.PDF Download)

Sept. 16, 2015

Efficient use of energy is a key factor in many applications. For battery-powered applications, high efficiency means increased runtime, which in turn requires getting the most out of the battery’s limited resources. For grid-tied applications, efficiency means less heat generated, easing device design and enabling smaller devices, lower cost systems, lower operating costs, and a “greener” implementation...

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The flyback topology is a versatile, widely used, switched-mode power-supply design with some interesting characteristics that brings performance and BOM advantages to many applications...
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Significant complications arise when trying to get your power supply working from a wall outlet.