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Simulation and modeling-new macro model for Zeners

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2 Author(s)
Pawlikiewicz, A.H. ; ASIC Technol. Group, Ford Motor Co., Dearborn, MI, USA ; Zack, G.

A macro model of the 6.2-V 1N5920B Zener diode which very accurately represents the measured characteristics both in the DC and AC domain is presented. For users who do not have access to optimization software, the model can still be easily customised for other Zener diodes by replacing the emission coefficients (N), saturation currents (Is) and series resistance (Rs) under forward and reverse bias. One would also need to modify the temperature coefficient and measure the capacitance (CIO) at V/sub d/=0 V bias, to have a functional model of the Zener diode. However, there is no easy technique to extract the TT parameter without going through an extraction process. Therefore, without modification to the T1 parameter, one has to be careful when using the customized model for switching applications.<>

Published in:

Circuits and Devices Magazine, IEEE  (Volume:9 ,  Issue: 2 )

Date of Publication:

March 1993

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