BUZ71A
Test Circuits and Waveforms (Continued)
V
DS
(ISOLATED
SUPPLY)
CURRENT
REGULATOR
V
DD
Q
SAME TYPE
AS DUT
g(TOT)
V
GS
12V
BATTERY
0.2µF
Q
gd
50kΩ
0.3µF
Q
gs
D
S
V
DS
G
DUT
0
I
g(REF)
0
V
I
DS
g(REF)
I
CURRENT
I
CURRENT
G
D
SAMPLING
RESISTOR
SAMPLING
RESISTOR
0
FIGURE 18. GATE CHARGE TEST CIRCUIT
FIGURE 19. GATE CHARGE WAVEFORMS
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