MUR1620CT, RURP820CC
Test Circuits and Waveforms
V
AMPLITUDE AND
GE
R
CONTROL dI /dt
G
F
L
t
t CONTROL I
2 F
1 AND
DUT
CURRENT
SENSE
dI
F
t
rr
R
I
F
G
dt
t
t
b
+
a
0
V
V
DD
GE
-
IGBT
t
1
0.25 I
RM
t
2
I
RM
FIGURE 8. t TEST CIRCUIT
rr
FIGURE 9. t WAVEFORMS AND DEFINITIONS
rr
I = 1A
L = 40mH
R < 0.1Ω
2
E
= 1/2LI [V
/(V
- V )]
DD
AVL
= IGBT (BV
R(AVL)
R(AVL)
> DUT V )
R(AVL)
V
AVL
Q
1
CES
L
R
+
V
CURRENT
SENSE
I
I
L
L
DD
DD
I
V
Q
1
V
DUT
-
t
t
t
2
t
0
1
FIGURE 10. AVALANCHE ENERGY TEST CIRCUIT
FIGURE 11. AVALANCHE CURRENT AND VOLTAGE
WAVEFORMS
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