TEST CIRCUIT 5: Switching Time Test Circuit
IF=7.5mA(P.G)
(f=5MHz , duty=50%, tr=tf=5ns)
P.G.
IF monitor
*CL=15pF
SHIELD
RIN=100Ω
0.1μF
RL=350Ω
VO
*CL=15pF
IF
VO
VCC
1.5 V
VOL
tpHL
tf
TLP118
50%
tpLH
90%
10%
tr
CL includes probe and stray capacitance.
P.G.: Pulse generator
TEST CIRCUIT 6: Common-Mode Transient Immunity Test Circuit
SW
IF
→
A
B
+-
VCM
RL=350Ω
0.1 μF
VO
VCC
VCM
・SW B : IF=0 mA
VO
・SW A : IF=10 mA
tr
2V
90% 1000 V
10%
tf
CMH
0.8 V
CML
CM H
= 800(V )
t r (μs)
CM L
=
800(V )
t f (μs)
5
2010-03-02