Datasheet

Technical information DALC208
6/14
Important
A precaution to take is to put the protection device as close as possible to the disturbance
source (generally the connector).
Note: The measurements have been done with the DALC208SC6 in open circuit.
Figure 9. ESD behavior: optimized layout and
add of a capacitance of 100 nF
Figure 10. ESD behavior: measurement
conditions (with coupling
capacitance)
REF1=GND
VI/O
ESD
SURGE
I/O
REF2=+Vcc
C=100nF
Lw
Vcl+ =
Vcc+Vf
-Vf
surge >0
surge <0
Vcl- =
t
Vcl+
POSITIVE
SURGE
t
Vcl-
NEGATIVE
SURGE
+5V
TEST BOARD
DALC
208
ESD
SURGE
Figure 11. Remaining voltage after the
DALC208SC6 during positive ESD
surge
Figure 12. Remaining voltage after the
DALC208SC6 during negative ESD
surge
IEC61000-4-2
Air Discharge
(150pF/330Ω)
Vpp=15kV
IEC61000-4-2
Air Discharge
(150pF/330Ω)
Vpp=15kV