EVL6563S-200ZRC STMicroelectronics, EVL6563S-200ZRC Datasheet - Page 27

• Manufacturer Part Number: EVL6563S-200ZRC
• Description: Power Management Modules & Development Tools Tranisition Mode PFC L6563S EVL Board
• Manufacturer: STMicroelectronics
• Type: Motor / Motion Controllers & Driversr

Specifications of EVL6563S-200ZRC

• Product: Power Management Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AN3180
7
Conclusions
The ripple-steering technique, with its ability to reduce an inductor ripple current
theoretically to zero, has been discussed and its theoretical base has been outlined. The
construction of a coupled inductor is addressed and a practical design guide given to enable
its successful implementation.
A practical application of the ripple-steering technique has been shown: it refers to a
Transition-mode controlled PFC pre-regulator where the technique has been used to
minimize the input ripple current, which is a major limitation to the use of this simple and
efficient topology at higher power levels.
The experimental results have shown that the ripple-steering technique is very effective in
reducing the input ripple current and that considerable savings can be achieved in the
differential-mode input EMI filter, with the positive side effect of minimizing the loss due to
the filter itself.
Doc ID 17273 Rev 1
Conclusions
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