Power Supply Function
Test A
Select centralized load dump
unsuppression
12V
Select the 12V voltage
system
Td Pulse width
Un
Peak voltage
24V
Select the 24V voltage
system
Td Pulse width
Un
Peak voltage
Test B Select centralized load dump
suppression
12V
Select the 12V voltage
system
Td Pulse width
Un
Peak voltage
24V
Select the 24V voltage
system
Td Pulse width
Un
Peak voltage
Us
Clamping voltage
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
Copyright © Itech Electronic Co., Ltd.
76