TL431B Datasheet, PDF (4/6 Pages) Texas Instruments – ADJUSTABLE PRECISION SHUNT REGULATORS

Typical Characteristics
Change in Reference Input
Voltage versus Cathode Voltage
0
I =10mA
K
T =25℃
a
-4
-8
-12
-16
-20
0
5
10
15
20
25
30
35
40
V , CATHODE VOLTAGE (V)
KA
700
600
500
400
300
200
100
0
-40
Reference Input Current versus
Ambient Temperature
I =10mA
K
R =10KΩ
1
-20
0
20
40
60
80
100
T , AMBIENT TEMPERATURE (℃)
a
Off-State Cathode Current
versus Ambient Temperature
50
45
40
35
30
25
20
15
10
5
0
-40
-20
0
20
40
60
T , AMBIENT TEMPERATURE (℃)
a
V =36V
KA
V =0V
ref
80
100
Test Circuit for V_KA=V_ref(1+R1/R2)+R1*I_ref
Test Circuit for I_ref
Test Circuit for I_off
High Diode Semiconductor
4