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IRF9540S Datasheet, PDF (5/8 Pages) International Rectifier – HEXFET Power MOSFET
20
16
12
8
4
0
25
91079_09
50
75 100 125 150 175
TC, Case Temperature (°C)
Fig. 9 - Maximum Drain Current vs. Case Temperature
IRF9540S, SiHF9540S
VDS
L
Rg
- 10 V
tp
D.U.T.
IAS
0.01 Ω
-
+ VDD
Fig. 10a - Switching Time Test Circuit
VGS
10 %
td(on) tr
td(off) tf
90 %
VDS
Fig. 10b - Switching Time Waveforms
10
1
D = 0.5
0.2
0.1 0.1
0.05
0.02
0.01
10-2
10-5
91079_11
Single Pulse
(Thermal Response)
10-4
10-3
10-2
0.1
t1, Rectangular Pulse Duration (s)
PDM
t1
t2
Notes:
1. Duty Factor, D = t1/t2
2. Peak Tj = PDM x ZthJC + TC
1
10
Fig. 11 - Maximum Effective Transient Thermal Impedance, Junction-to-Case
2014-8-28
5
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