TL431 Series
I
K
- V
KA
CATHODE CURRENT I
K
(mA)
150
CATHODE CURRENT I
K
(µA)
V
KA
=V
ref
Ta=25 C
I
K
- V
KA
800
600
400
200
0
-200
-1.0
V
KA
=V
ref
Ta=25 C
100
50
0
-50
-100
-2.0
-1.0
0
1.0
2.0
3.0
0
1.0
2.0
3.0
CATHODE VOLTAGE V
KA
(V)
DYNAMIC IMPEDANCE Zka (Ω)
CATHODE VOLTAGE V
KA
(V)
Zka
V
ref
- V
KA
CHANGE IN REFERENCE INPUT
VOLTAGE V (mV)
ref
0
I
K
=10mA
Ta=25 C
- f
100
I
K
=1.0mA~100mA
Ta=25 C
10
-8.0
-16
1.0
-24
0.1
1.0k
10k
100k
1.0M
10M
-32
0
10
20
30
40
FREQUENCY f (Hz)
CATHODE VOLTAGE V
KA
(V)
3.0
PULSE RESPONSE
Ta=25 C
OPEN LOOP VOLTAGE GAIN G
VO
(dB)
VOLTAGE SWING (V)
G
VO
- f
60
50
40
30
20
10
I
K
=10mA
Ta=25 C
2.0
1.0
0
5.0
0
0
4.0
OUTPUT
INPUT
8.0
12
16
20
0
-10
1.0k
10k
100k
1.0M
10M
1000
900
TIME t (µs)
P
D
- Ta
ALLOWABLE POWER
DISSIPATION P
D
(mW)
FREQUENCY f (Hz)
800
700
600
500
400
300
200
100
0
0
25
50
75
100
125
150
175
TL431
TL431F
AMBIENT TEMPERATURE Ta ( C)
2008. 7. 3
Revision No : 0
4/6
KEC [ KEC(KOREA ELECTRONICS) ]
