Datasheet
SM4TY Characteristics
Doc ID 17862 Rev 3 7/12
Figure 14. ISO7637-2 pulse 3a response (V
S
= -150 V)
Figure 15. ISO7637-2 pulse 3b response (V
S
= 100 V)
Note: ISO7637-2 pulses responses are not applicable for product with a stand off voltage lower
than the average battery voltage (13.5 V).
-60
-50
-40
-30
-20
-10
0
10
20
30
-2
-1.5
-1
-0.5
0
0.5
-2.5
-0.2
0.8
1.8
0.0
0.0
0.0
-0.2
0.8
1.8
0.0
0.0
0.0
Voltage
(
V
)
Voltage
Current
Current (A)
Time (µs)
Time (µs)
SM4T39AY
SM4T39CAY
SM4T39AY
SM4T39CAY
0
20
30
40
50
10
-0.2
1.80.8
-0.4
1.2
0.8
0.4
0.0
-0.2
1.80.8
-0.2
1.8
0.8
SM4T39AY
SM4T39CAY
SM4T39AY
SM4T39CAY
Voltage (V)
Voltage
Current
Current (A)
Time (µs)
Time (µs)