TL431, A, B Series
Figure 1. Test Circuit for VKA = Vref
Input
VKA
Figure 2. Test Circuit for VKA > Vref
Input
R1
Iref
IK
VKA
Figure 3. Test Circuit for Ioff
Input
Ioff
VKA
IK
Vref
R2
Vref
V
KA
+
V
ref
1
)
R1
)
I
ref
S
R1
R2
Figure 4. Cathode Current versus
Cathode Voltage
150
IK , CATHODE CURRENT (mA)
IK , CATHODE CURRENT (
µ
A)
100
50
0
–50
–100
–2.0
VKA = Vref
TA = 25°C
Input
VKA
IK
800
600 Input
400
200
0
Figure 5. Cathode Current versus
Cathode Voltage
VKA = Vref
TA = 25°C
VKA
IK
IMin
–1.0
0
1.0
2.0
3.0
–200
–1.0
0
1.0
VKA, CATHODE VOLTAGE (V)
2.0
3.0
VKA, CATHODE VOLTAGE (V)
Figure 6. Reference Input Voltage versus
Ambient Temperature
Vref , REFERENCE INPUT VOLTAGE (mV)
2580
2560
2540
2520
2500
2480
2460
2440
2420
2400
–55
–25
0
25
50
75
100
125
Vref Min = 2440 mV
Vref Typ = 2495 mV
Input
Vref
Iref , REFERENCE INPUT CURRENT (
µ
A)
2600
VKA
IKVKA = Vref
IK = 10 mA
3.0
2.5
2.0
1.5
Figure 7. Reference Input Current versus
Ambient Temperature
Vref Max = 2550 mV
IK = 10 mA
1.0
0.5
0
–55
–25
0
25
50
75
100
125
Input
10k Iref
VKA
IK
TA, AMBIENT TEMPERATURE (°C)
TA, AMBIENT TEMPERATURE (°C)
MOTOROLA ANALOG IC DEVICE DATA
5
MOTOROLA [ MOTOROLA, INC ]
