
IR2181 ( 4 ) (S) & (PbF)
140
120
100
140
120
100
80
80
140v
60
140v
60
70v
0v
70v
40
0v
40
20
1
10
100
1000
20
1
10
100
1000
Frequency (KHz)
Fig u re 33. IR 21814s vs . Fre q u e n cy (IR FB C 20),
R gate =33 ? , V C C =15V
Frequency (KHz)
Fig u re 34. IR 21814s vs . Fre q u e n cy (IR FB C 30),
R gate =22 ? , V C C =15V
140
120
100
80
60
40
140v
70v
0v
140
120
100
80
60
40
140v 70v
0v
20
1
10
100
1000
20
1
10
100
1000
18
Frequency (KHz)
Fig u re 35. IR 21814s vs . Fre q u e n cy (IR FB C 40),
R gate =15 ? , V C C =15V
Frequency (KHz)
Fig u re 36. IR 21814s vs . Fre q u e n cy (IR FP E50),
R gate =10 ? , V C C =15V
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