4
FN7018.2
September 15, 2011
Typical Performance Curves
FIGURE 1. SUPPLY CURRENT vs TEMPERATURE
FIGURE 2. VCLAMP VOLTAGE vs TEMPERATURE
FIGURE 3. CLAMP DISCHARGE CURRENT vs
TEMPERATURE
FIGURE 4. VRSET vs TEMPERATURE
FIGURE 5. CLAMP CHARGE CURRENT vs TEMPERATURE
FIGURE 6. RSET vs HORIZONTAL FREQUENCY
1.65
1.60
1.50
1.45
1.40
1.35
-50
-25
25
75
100
TEMPERATURE (°C)
S
U
P
L
Y
CUR
REN
T
(m
A)
5.5V
4.5V
5V
1.55
050
RSET = 681kΩ
1.535
1.515
1.505
1.495
1.485
TEMPERATURE (°C)
V
CLAM
P
(V
)
1.525
-50
-25
25
75
100
050
5.5V
5V
4.5V
RSET = 681kΩ
11.4
11.3
11.2
10.9
10.8
10.7
TEMPERATURE (°C)
CLA
M
P
DIS
CHARGE
CURRE
NT
(A
)
11.0
-50
-25
25
75
100
050
11.1
RSET = 681kΩ
4.5V
5V
5.5V
1.240
1.230
1.220
1.210
1.200
TEMPERATURE (°C)
V
R
SET
(V
)
-50
-25
25
75
100
050
1.235
1.225
1.215
1.205
RSET = 681kΩ
5V
5.5V
4.5V
1.10
1.00
0.90
0.85
TEMPERATURE (°C)
CLAMP
CHARGE
CURRE
NT
(mA) 1.05
0.95
-50
-25
25
75
100
050
5.5V
4.5V
RSET = 681kΩ
5V
1000
600
200
0
10
15
25
35
40
45
FREQUENCY (kHz)
R
SE
T
(k
Ω
)
800
400
20
30
EL1881