ITech IT6000B Series User Manual page 100

Automotive Short-time Voltage Drop Waveform
This waveform simulates an instantaneous drop in the supply voltage when the
car is started. This test simulates the effect when a conventional fuse element
melts in another circuit.
•
12V system
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Select centralized load dump
Test A
unsuppression
Select the 12V voltage
12V
system
Td
Un
Select the 24V voltage
24V
system
Td
Un
Test B Select centralized load dump
suppression
Select the 12V voltage
12V
system
Td
Un
Select the 24V voltage
24V
system
Td
Un
Us
Power Supply Function
Pulse width
Peak voltage
Pulse width
Peak voltage
Pulse width
Peak voltage
Pulse width
Peak voltage
Clamping voltage
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