RURD660S Fairchild Semiconductor, RURD660S Datasheet - Page 4

• Manufacturer Part Number: RURD660S
• Description: The RURD660 and RURD660S are ultrafast diodes with soft recovery characteristics (trr55ns)
• Manufacturer: Fairchild Semiconductor

©2002 Fairchild Semiconductor Corporation
Test Circuits and Waveforms
V
I = 1A
L = 20mH
R < 0.1Ω
E
Q
V
R
t
GE
1 AND
AVL
1
GE
G
= IGBT (BV
CONTROL dI
AMPLITUDE AND
= 1/2LI
FIGURE 10. AVALANCHE ENERGY TEST CIRCUIT
t
2
CONTROL I
t
1
2
[V
CES
R(AVL)
t
F
2
/dt
> DUT V
FIGURE 8. t
F
/(V
Q
R(AVL)
1
R(AVL)
R
G
- V
rr
)
DD
TEST CIRCUIT
DUT
CURRENT
)]
SENSE
L
IGBT
DUT
L
CURRENT
SENSE
R
+
V
V
-
DD
DD
-
+
V
DD
FIGURE 11. AVALANCHE CURRENT AND VOLTAGE
I V
0
t
0
I
FIGURE 9. t
F
dI
dt
WAVEFORMS
F
I
L
rr
WAVEFORMS AND DEFINITIONS
t
1
V
I
t a
AVL
L
t
t rr
2
RURD660, RURD660S Rev. B
t b
0.25 I
I
RM
t
RM