Designing Practical High Performance Class D Audio Amplifier
Designing Practical High Performance Class D Audio Amplifier
Designing Practical High Performance Class D Audio Amplifier
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Tj Estimation Simulation Result<br />
3<br />
2.5<br />
T J =50ºC<br />
2<br />
1.5<br />
V DS<br />
V<br />
45<br />
40<br />
35<br />
30<br />
25<br />
20<br />
15<br />
10<br />
I D =43A<br />
Tj<br />
I D<br />
V<br />
1<br />
0.5<br />
0<br />
-0.5<br />
0 20 40 60 80 100<br />
Time/µSecs<br />
64<br />
62<br />
64mΩ<br />
20µSecs/div<br />
60<br />
5<br />
58<br />
0<br />
Time/µSecs<br />
10 20 30 40 50 60 70 80 90<br />
100uS<br />
10µSecs/div<br />
mV<br />
56<br />
54<br />
R DS(ON)<br />
52<br />
50<br />
48<br />
51mΩ<br />
0 20 40 60 80 100<br />
Time/µSecs<br />
20µSecs/div<br />
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