22 Dec '12, 7pm

Bringing up a flyback supply for the first time, Part one

Bringing up a flyback supply for the first time, Part one

No test procedure offers more potential for surprise and, therefore, more apprehension for power supply designers than powering up a new design for the first time. In far too many cases designers find they inadvertently damage components or discover hidden design flaws. The following article offers a step-by-step process for safely performing this important task and ensuring your supply is functioning correctly. It also offers helpful links to additional information for troubleshooting specific problems within your design. To conduct the tests described in this article you will need an isolated AC source or Variac, a wattmeter, at least four multi-meters including two offering a high resolution current range, an oscilloscope with a high voltage probe, a current probe, an electronic load and your actual load. Test time will take approximately one to two hours. Finally, as a...

Full article: http://www.edn.com/design/power-management/4403179/Bringi...

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