5
4
3
2
1
0
-1
0
1
2
3
4
5
6
2.0
-0.8
-0.9
-1.0
-1.1
-1.2
-1.3
-1.4
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
BL431 20V :VKA 3.5Vto18V
BL431 20V :VKA 18V
VREF
0
-40 -30 -20 -10
0
10 20 30 40 50 60 70 80 90 100 110 120
-40
-20
0
20
40
60
80
100
120
11
10
9
8
7
6
5
4
3
2
1
0
IKA 10mA
TA 25 C
1000
1k
100000
100k
1000000
10000000
1100000k
1000k
10000k
http://www.belling.com.cn
- 6-
Total 12 Pages
8/8/2006