RURD410, RURD415, RURD420, RURD410S, RURD415S, RURD420S
IMAX = 1A
L = 40mH
R < 0.1Ω
EAVL = 1/2LI2 [VAVL/(VAVL - VDD)]
Q1 AND Q2 ARE 1000V MOSFETs
Q1
130Ω
12V
Q2
L
R+
VDD
1MΩ
DUT
VAVL
130Ω
CURRENT
SENSE
VDD
-
12V
FIGURE 9. AVALANCHE ENERGY TEST CIRCUIT
IL
IL
IV
t0
t1
t2
t
FIGURE 10. AVALANCHE CURRENT AND VOLTAGE
WAVEFORMS
5-24