NUP2105L 查看數據表（PDF） - Unspecified
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NUP2105L Datasheet PDF : 8 Pages
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NUP2105L
TVS Diode Protection Circuit
TVS diodes provide protection to a transceiver by
clamping a surge voltage to a safe level. TVS diodes have
high impedance below and low impedance above their
breakdown voltage. A TVS Zener diode has its junction
optimized to absorb the high peak energy of a transient
event, while a standard Zener diode is designed and
specified to clamp a steady state voltage.
Figure 7 provides an example of a dual bidirectional
TVS diode array that can be used for protection with the
high−speed CAN network. The bidirectional array is created
from four identical Zener TVS diodes. The clamping
voltage of the composite device is equal to the breakdown
voltage of the diode that is reversed biased, plus the diode
drop of the second diode that is forwarded biased.
CAN
Transceiver
CAN_H
CAN_L
CAN Bus
NUP2105L
Figure 7. High−Speed and Fault Tolerant CAN TVS
Protection Circuit
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