IRF4905
80
V
DS
V
GS
I D , Drain Current (A)
60
R
D
D.U.T.
+
-10V
40
Pulse Width
≤ 1
µs
Duty Factor
≤ 0.1 %
Fig 10a.
Switching Time Test Circuit
20
t
d(on)
t
r
t
d(off)
t
f
V
GS
0
25
50
75
100
125
150
175
10%
TC , Case Temperature
( ° C)
90%
Fig 9.
Maximum Drain Current Vs.
Case Temperature
V
DS
Fig 10b.
Switching Time Waveforms
1
(Z
thJC
)
D = 0.50
0.20
Thermal Response
0.1
0.10
0.05
0.02
0.01
P
DM
t
1
SINGLE PULSE
(THERMAL RESPONSE)
t
2
Notes:
1. Duty factor D = t
1
/ t
2
2. Peak T
J
= P
DM
x Z
thJC
+ T
C
0.001
0.01
0.1
1
0.01
0.00001
0.0001
t
1
, Rectangular Pulse Duration (sec)
Fig 11.
Maximum Effective Transient Thermal Impedance, Junction-to-Case
-
R
G
V
DD