First use of GaN: 100 V cascode
device for class D audio amplifier
Key values GaN benefit vs Silicon
Audio Quality
Lower - THD improves from
faster/cleaner switching characteristics
Efficiency Higher - from lower resistance
More
channels,
smaller size
Smaller – Full SMD w/o heatsink
, high
frequency for smaller LPF
Si FET
GaN
Fast switching
MP: 2013
3b
Leverages extremely
low Q
rr
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14.04.2016 Copyright © Infineon Technologies AG 2016. All rights reserved.