IR3101
3.00
2.50
Low Side MOSFET
High Side MOSFET
2.00
1.50
1.00
HS
LS
0.50
IO
0.00
0
2
4
6
8
10
12
14
16
18
20
Switching Frequency [kHz]
Figure 3: Maximum phase current as function of switching frequency
Trapezoidal modulation, 120° switching, VBUS=300V, Duty Cycle=0.8, without heatsink:
Ta=55°C, TJ=150°C
3.00
2.50
Low Side MOSFET
High Side MOSFET
2.00
1.50
HS
1.00
LS
0.50
IO
0.00
0
2
4
6
8
10
12
14
16
18
Switching Frequency [kHz]
Figure 4: Maximum phase current as function of switching frequency
Trapezoidal modulation, 120° switching,VBUS=300V, Duty Cycle=0.8, with heatsink:
TC=100°C, TJ=125°C
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20
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