
IR2181 ( 4 ) (S) & (PbF)
140
120
100
80
140
120
100
80
60
40
20
140v
70v
0v
60
40
20
140v
70v
0v
1
10
100
1000
1
10
100
1000
Frequency (KHz)
Fig u re 25. IR 21814 vs . Fre q u e n cy (IR FB C 20),
R gate =33 ? , V C C =15V
Frequency (KHz)
Fig u re 26. IR 21814 vs . Fre q u e n cy (IR FB C 30),
R gate =22 ? , V C C =15V
140
120
100
140
120
100
140v
70v
0v
80
60
40
20
140v
70v
0v
80
60
40
20
1
10
100
1000
1
10
100
1000
16
Frequency (KHz)
Fig u re 27. IR 21814 vs . Fre q u e n cy (IR FB C 40),
R gate =15 ? , V C C =15V
Frequency (KHz)
Fig u re 28. IR 21814 vs . Fre q u e n cy (IR FP E50),
R gate =10 ? , V C C =15V
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