From Skyworks Solutions, Inc.
The Skyworks Capacitor model for ESD
applications is described and discussed. A Skyworks ESD
Capacitor is modeled as an ideal capacitor in parallel with a
leakage current source, along with a resistor to the ground
modeling the substrate leakage at each terminal. The
current-voltage and small-signal characteristics predicted by
the model coincide with measurement results. Furthermore,
by employing the human body model (HBM), an ESD
simulation environment is set up in order to simulate ESD
tests on Skyworks ESD Capacitors. The breakdown criteria
of two kinds of Skyworks ESD Capacitors are investigated
and the corresponding model is investigated and developed
based on experimental data.
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