IRFR/U5305
RD
VDS
35
30
25
20
15
10
5
VGS
D.U.T.
RG
-
+
VDD
-10V
Pulse Width ≤ 1 µs
Duty Factor ≤ 0.1 %
Fig 10a. Switching Time Test Circuit
t
t
r
t
t
f
d(on)
d(off)
V
GS
10%
0
25
50
75
100
125
150
175
°
, Case Temperature ( C)
T
C
90%
V
DS
Fig 9. Maximum Drain Current Vs.
Fig 10b. Switching Time Waveforms
Case Temperature
10
1
D = 0.50
0.20
0.10
0.05
P
DM
0.1
t
1
0.02
0.01
SINGLE PULSE
(THERMAL RESPONSE)
t
2
Notes:
1. Duty factor D =
t / t
1 2
2. Peak T = P
x Z
+ T
thJC C
J
DM
0.01
0.00001
0.0001
0.001
0.01
0.1
t , Rectangular Pulse Duration (sec)
1
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case
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5
KERSEMI [ Kersemi Electronic Co., Ltd. ]
