LLC Resonant Half Bridge Converter
LLC Resonant Half Bridge Converter
LLC Resonant Half Bridge Converter
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Design Flow Chart for <strong>LLC</strong> <strong>Resonant</strong> <strong>Converter</strong><br />
<strong>Converter</strong> Specifications<br />
choose an L n and Q e<br />
Check max gain<br />
against graph<br />
Vin<br />
n =<br />
2V<br />
Peak gain enough?<br />
8n<br />
2<br />
8 2<br />
Re = n R 2 L = 2<br />
π<br />
O<br />
Change L n and Q e<br />
No<br />
Yes<br />
V<br />
π P<br />
2<br />
o<br />
out<br />
L =<br />
m<br />
L<br />
n<br />
L<br />
Lr =<br />
2<br />
C<br />
r<br />
=<br />
Magnetizing Inductance<br />
r<br />
<strong>Resonant</strong> Inductor<br />
1<br />
( 2πf<br />
sw ) Cr<br />
2πQ<br />
<strong>Resonant</strong> Capacitor<br />
e<br />
1<br />
R<br />
e<br />
f<br />
sw<br />
Calculate Re
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