Datasheet

www.irf.com 11/19/04
IRGS14C40LPbF
IRGSL14C40LPbF
IRGB14C40LPbF
Ignition IGBT
Page 6
Fig.13 - Self-clamped Inductive Switching Waveform
L=4.7mH; T
C
=25°C; used circuit in Fig.14
0
2
4
6
8
10
12
-2.E-05 -1.E-05 0.E+00 1.E-05 2.E-05 3.E-05 4.E-05 5.E-05 6.E-05
time
I
C E
( A )
-100
0
100
200
300
400
500
V
c l a m p
( V )
V
clamp
I
CE
Fig.12 - Switching Waveform for Time Measurement
V
GE
= 5V; R
G
= 1K
Ω
; L= 1mH; V
CE
= 14V; used circuit in Fig.14
-50
0
50
100
150
200
250
300
350
400
450
-14 -10 -6 -2 2 6 10 14
t (µs)
V
c l a m p
( V )
-2
-1
0
1
2
3
4
5
6
7
8
V
G E
( V )
V
cl (measured)
V
Clamp
V
GE
t
d (o f f )
t
r