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<Dual-In-Line Package Intelligent Power Module>
1200V Mini DIPIPM with BSD Series APPLICATION NOTE
4.2 Bootstrap Supply Circuit Current at Switching State
Bootstrap supply circuit current I
charge and discharge are repeated by switching, the circuit current exceeds 1.10mA and increases
proportional to carrier frequency.
characteristics for PSSxxS72FT.
(Conditions: V
=V
D
DB
Publication Date: September 2015
at steady state is maximum 1.10mA. But at switching state, because gate
DB
For reference, Fig.4-2-1~2 show typical I
=15V, Tj=125°C at which I
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
5
Fig.4-2-1 I
vs. Carrier frequency for PSS05S72FT
DB
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
5
Fig.4-2-2 I
vs. Carrier frequency for PSS10S72FT
DB
becomes larger, IGBT ON Duty=10, 30, 50, 70, 90%)
DB
10
Carrier frequency [kHz]
10
Carrier frequency [kHz]
45
- carrier frequency fc
DB
15
20
15
20
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