
TLP558
Test Circuit 2: tpHZ, tpZH, tpLZ And tpZL
Input VE
tpZL
Output
VO
IF = IF (ON)
S1 Closed
S2 Open
Output
IF = 0mA
VO
S1 Open
S2 Closed
1.3V
tpZH
1.3V
0V
3V
1.3V
0V
tpLZ
S1 and S2
0.5V Closed
VOL
tpHZ
VOH
~~1.5V
0.5V
S1 and S2
Closed
Pulse
generator
ZO=50Ω
tr = tf = 5ns
VE Monitor
5V
VCC
VO
S1
1
VCC 8
IF
2
7
3
6
4
GND 5
D1~D4
D1 : 1S1588
D2
D3
D4
CL
S2
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Test Circuit 3: Common Mode Transient Immunity
VCM 10%
90%
tr
50V
tf
0V
VOH
Output VOH
VO (MIN.)*
Switch at A : IF=0mA
VOL
Switch at B : IF=1.6mA
VO(MAX.)*
* Note 8
CMH=
45(V)
tf(µs)
45(V)
, CML= tf(µs)
IF
A
B
VFF
VCC
1
VCC 8
2
7
3
6
4
GND 5
VCM
+ -
Pulse generator
ZO =50Ω
VO
Monitor
6
2002-09-25