Transcription of AND8230 - Application Hints for Transient Voltage ...
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Semiconductor Components Industries, LLC, 2016 May, 2016 Rev. 21 Publication Order Number: AND8230 /DAND8230/DApplication Hints forTransient VoltageSuppression Diode CircuitsIntroductionTransient Voltage Suppression (TVS) diodes providea simple solution to increase the EMI and ESD immunitylevel of a circuit and only a few guidelines must be followedto provide effective surge protection. This document willanalyze several important Application features of avalancheTVS and diode arrays. In addition, examples will beprovided to demonstrate the advantages and disadvantagesof uni and bidirectional TVS devices.
AND8230/D www.onsemi.com 4 The reverse bias surge rating of a diode is typically not an issue if power is applied to the array. The reverse bias condition of diode D2 can only occur if the negative surge pulse is applied to the I/O pin while VDD is in a high impedance or floating state.
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