TS431 STMicroelectronics, TS431 Datasheet - Page 4

• Manufacturer Part Number: TS431
• Description: Low voltage adjustable shunt reference
• Manufacturer: STMicroelectronics

Specifications of TS431

• Low Voltage Operation: 1.24 to 6 V
• Wide Operating Range Cathode Current: 60 μA to 30 mA
• Low Output Impedance: 0.2 Ω
• Human Body Model: 2 kV
• Machine Model: 200 V

Electrical characteristics
4/13
Figure 2.
Figure 4.
Figure 6.
100
80
60
40
20
-10
-15
0
1.252
1.248
1.244
1.236
1.232
1.228
15
10
-5
-40
1.24
5
0
-1
Reference voltage vs. temperature
Cathode voltage vs. cathode
current
Reference input current vs.
temperature
-20
-40
-0.5
-20
0
Vka Cathode voltage (V)
0
20
Temperature (°C)
Temperature (°C)
0
20
40
Vka = Vref
T = 25°C
40
0.5
60
60
Ik = 100 µA
Vka = Vref
R1 = 10 KΩ
Ik = 10mA
80
R2 = + ∞
80
1
100
100
120
Doc ID 5558 Rev 7
1.5
120
Figure 3.
Figure 5.
Figure 7.
Input
0.4
0.3
0.2
0.1
0
1.5
0.5
-40
0
1
0
Vref
-20
Test circuit for V
Cathode voltage vs. cathode
current
Static impedance vs. temperature
-40°C
10
0
+25°C
Ika Cathode current (µA)
20
20
Temperature (°C)
40
30
+85°C
Ik
KA
60
Vka = Vref
Ik = 100µA to 15mA
40
= V
+125°C
80
ref
50
100
Vka
60
Output
120
TS431