uClamp2401T
PROTECTION PRODUCTS
Applications Information
Device Connection Options
This device is designed to protect one data or power
supply line. The device is unidirectional and may be
used on lines where the signal polarity is above ground.
The cathode band should be placed towards the line
that is to be protected.
Circuit Board Layout Recommendations for Suppres-
sion of ESD.
Good circuit board layout is critical for the suppression
of ESD induced transients. The following guidelines are
recommended:
Place the TVS near the input terminals or connec-
tors to restrict transient coupling.
Minimize the path length between the TVS and the
protected line.
Minimize all conductive loops including power and
ground loops.
The ESD transient return path to ground should be
kept as short as possible.
Never run critical signals near board edges.
Use ground planes whenever possible.
Circuit Diagram
? 2008 Semtech Corp.
5
www.semtech.com
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