1.  Are they typically used for multiple voltage rail output?

   Yes, in fact this is one of its benefits.

2.  Typically higher, or lower current applications?

   Lower current, and in my experience, under 300W of power

3.  Do people have the RF Emissions figured out on them?  or are people
struggling?

   Not generally an issue if you use a single stage, second-order filter for
common-mode and one or two X2 type caps for differential-mode filtering on
the AC input.

For auxiliary power supplies in equipment, the multiple-output flyback
converter is a practical choice and uses the fewest parts.

With current-mode controllers, both discontinuous and continuous mode
operation are usually easy to make stable in a closed-loop control design.


Ralph McDiarmid, AScT 
Compliance Engineering Group
Xantrex Technology Inc.
www.xantrex.com
tel: (604) 422 2622
fax: (604) 420 1591



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