TS3431 STMicroelectronics, TS3431 Datasheet - Page 4

• Manufacturer Part Number: TS3431
• Description: 1.24V PROGRAMMABLE SHUNT VOLTAGE REFERENCE
• Manufacturer: STMicroelectronics

Specifications of TS3431

• Adjustable Output Voltage: 1.24 to 24V
• Sink Current Capability: 0.4 to 100mA
• Industrial Temperature Range: -40˚C to +125˚C

Electrical characteristics
4/10
Figure 2.
Figure 4.
Figure 6.
1.250
1.245
1.240
1.235
1.230
1.5
1.0
0.5
0.0
1.00
0.75
0.50
0.25
0.00
0.0
-40
-40
Reference voltage vs. temperature
Cathode voltage vs cathode current Figure 5.
Reference input current vs
temperature
T=-40°C
T=+25°C
0.1
0
0
Cathode current I
Temperature (°C)
Temperature (°C)
T=+125°C
0.2
40
40
K
(mA)
I
V
K
K
= 10mA
= V
0.3
80
80
REF
120
120
0.4
Figure 3.
Figure 7.
Input
0.5
0.4
0.3
0.2
0.1
0.0
0.5
0.4
0.3
0.2
0.1
0.0
10
-40
Vref
Test circuit for V
Minimum operating current vs
temperature
Dynamic impedance vs frequency
0
100
Frequency (Hz)
Temperature (°C)
40
Ik
K
V
T=+25°C
K
= Vref
1000
= V
REF
80
V
Vka
K
= V
REF
TS3431
Output
10000
120