XP Power

Hold-Up Time Extension

Posted on 23-Mar-2016 14:13:00

This circuit proposes a method to extend the hold-up time of a Switch Mode Power Supply (SMPS), by adding capacitors in parallel to the internal bulk capacitor.

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Tags: Power Supply Topologies

Using Y rated capacitors in medical applications

Posted on 02-Mar-2016 15:34:00

The medical standard IEC60601-1 is mandatory for medical equipment and requires manufacturers to review the isolation system employed within their products. One of the more radical changes in the 3rd edition standard is the definition of requirements when using Y capacitors to bridge isolation barriers. Amendment 1 of the standard, released in 2012, re-addresses this issue and provides clear information regarding the use of Y rated capacitors to bridge safety isolation barriers in medical applications.

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Tags: Components, Applications