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Re: A TVS does not work with load dump test??

 

Hi.
You included TVS diode in parallel to the voltage source? Then, measure the diode current. If the source impedance is zero, the voltage limit is not.
Put your project in the TEMP folder.
Bordodynov.

09.07.2013, 14:38, "eqmqiq" <g9512728@...>:

I try to create a general RC circuit with LED which is usually designed for car lamp use. A TVS(SMBJ24CA) is used for protect from voltage spike(parallel with input). I input a load dump voltage waveform into the circuit, but the voltage is not clamped by TVS, does anybody know what the problem is??
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