uClamp3311T
ypical Characteristics
Non-Repetitive Peak Pulse Power vs. Pulse Time
10
9
Clamping Voltage vs. Peak Pulse Current
1000
Peak Pulse Power - P
PP
(W)
Clamping Voltage - V
C
(V)
8
7
6
5
4
3
2
1
Waveform
Parameters:
tr = 8µs
td = 20µs
0
1
2
3
4
5
6
100
10
DR040412-40
0
1
0.1
1
10
Pulse Duration - tp (µs)
100
Peak Pulse Current - I
PP
(A)
Normalized Capacitance vs. Reverse Voltage
1.6
f = 1 MHz
1.4
1.2
Cj(VR) / Cj(VR=0V)
TLP Current (A)
1
0.8
0.6
0.4
0.2
0
0
0.5
1
1.5
2
2.5
Reverse Voltage - V
R
(V)
3
3.5
0
0
2
15
20
25
TLP Characteristic
Transmission Line Pulse Test
(TLP) Settings:
t
p
= 100ns, t
r
= 0.2ns,
I
TLP
and V
TLP
averaging window:
t
1
= 70ns to t
2
= 90ns
10
5
4
6
8
10
TLP Voltage (V)
ESD Clamping (+8kV Contact per IEC 61000-4-2)
50
45
40
35
Voltage (V)
30
25
20
15
10
5
0
-10
0
10
20
30
40
50
60
70
80
Time (ns)
Measured with 50 Ohm scope input
impedance, 2GHz bandwidth.
Corrected for 50 Ohm, 20dB
attenuator. ESD gun return path
connected to ESD ground plane
ESD Clamping (-8kV Contact per IEC 61000-4-2)
0
-5
-10
-15
Voltage (V)
-20
-25
-30
-35
-40
-45
-50
-10
0
10
20
30
40
50
60
70
80
Time (ns)
Measured with 50 Ohm scope input
impedance, 2GHz bandwidth.
Corrected for 50 Ohm, 20dB
attenuator. ESD gun return path
connected to ESD ground plane
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