IRF7484PbF
15
V DS
R D
- V DD
12
9
R G
V GS
D.U.T.
+
V GS
6
3
0
Pulse Width ≤ 1 μs
Duty Factor ≤ 0.1 %
Fig 10a. Switching Time Test Circuit
V DS
90%
25
50
75
100
125
150
T C , Case Temperature
( ° C)
Fig 9. Maximum Drain Current Vs.
Case Temperature
10%
V GS
t d(on)
t r
t d(off)
t f
Fig 10b. Switching Time Waveforms
100
D = 0.50
10
0.20
0.10
0.05
0.02
P DM
1
0.01
t 1
t 2
SINGLE PULSE
(THERMAL RESPONSE)
Notes:
1. Duty factor D =
t 1 / t 2
0.1
2. Peak T
J = P DM x Z thJA
+T A
0.0001
0.001
0.01
0.1
1
10
100
10 0
t 1 , Rectangular Pulse Duration (sec)
Fig 11. Typical Effective Transient Thermal Impedance, Junction-to-Ambient
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