TS3431 Datasheet, PDF (4/11 Pages) STMicroelectronics – 1.24V Programmable Shunt Voltage Reference

TS3431
Electrical Characteristics
Figure 1. Reference voltage vs. temperature
Figure 4. Test circuit for V_K = Vref
1.250
1.245
1.240
1.235
1.230
-40
I = 10mA
K
V =V
K
REF
0
40
80
120
Temperature (°C)
Input
Vref
Output
Ik
Vka
Figure 2. Cathode voltage vs cathode current
Figure 5. Minimum operating current vs
temperature
1.5
T=-40°C
1.0
0.5
T=+25°C _T=+125°C
0.0
0.0
0.1
0.2
0.3
0.4
Cathode current I (mA)
K
0.5
0.4
0.3
0.2
0.1
0.0
-40
V =V
K
REF
0
40
80
120
Temperature (°C)
Figure 3. Reference input current vs
temperature
1.00
0.75
0.50
0.25
0.00
-40
0
40
80
120
Temperature (°C)
Figure 6. Dynamic impedance vs frequency
0.5
0.4
0.3
0.2
0.1
0.0
10
V =V
K
REF
T=+25°C
100
1000
Frequency (Hz)
10000
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