Design Article
Surge stopper IC simplifies design for hazardous apps
Murphy Pickard, Hach Co. and Alison Steer, Linear Technology Corp.
10/31/2009 1:04 AM EDT
Chemical plants, refineries, oil/gas wells, coal, and textile operations are all examples of potentially explosive environments that use electronic instrumentation. In order to operate safely in such
environments, instrumentation must be made explosion proof.
This article discusses the essential requirements of safety standards, and methodologies for meeting these requirements.
In particular, Linear Technology's LT4356 series of overvoltage/overcurrent protection devices offers an efficient and elegant means of creating protection barriers in electronic apparatus.
Read the full article here.
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EdwardB
12/1/2009 3:24 PM EST
LT4356 is nice ... except for N-Channel drive. Charge pumps are bad in IS designs. The device would be perfect if it drove P-Channel devices.
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