Integrated Inductors with Magnetic Materials for On-Chip ... - Hot Chips
Integrated Inductors with Magnetic Materials for On-Chip ... - Hot Chips
Integrated Inductors with Magnetic Materials for On-Chip ... - Hot Chips
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tm<br />
tc<br />
Two-Phase Buck Converter<br />
wc insulator<br />
<strong>with</strong> Coupled <strong>Inductors</strong><br />
magnetic material (CZT=CoZrTa)<br />
Al or Cu wires<br />
Inductor Power Losses<br />
DC loss component<br />
AC loss component<br />
2<br />
2 ∆I<br />
p−<br />
p<br />
P LOSS = RDC<br />
× I Lavg + RAC<br />
× +<br />
Load dependent<br />
∆I<br />
D<br />
f<br />
s<br />
p _ p<br />
=<br />
=<br />
=<br />
( 1<br />
dutycycle<br />
− D)<br />
V<br />
f L<br />
s<br />
frequency<br />
Fundamentals of Power Electronics by Robert W. Erickson<br />
eff<br />
12<br />
P<br />
Frequency dependent<br />
out<br />
hys
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