TL1431-SP Datasheet, PDF (5/13 Pages) Texas Instruments – CLASS V, PRECISION PROGRAMMABLE REFERENCE

TL1431-SP
www.ti.com
SLVSB44 – JULY 2012
TYPICAL CHARACTERISTICS
Data at high and low temperatures are applicable only within the recommended operating free-air temperature
ranges of the various devices.
REFERENCE VOLTAGE
vs
FREE-AIR TEMPERATURE
2.52
V_I(ref) = V_KA
I_KA = 10 mA
2.51
REFERENCE CURRENT
vs
FREE-AIR TEMPERATURE
2.5
I_KA = 10 mA
R1 = 10 kΩ
R2 = ∞
2
1.5
2.5
1
2.49
0.5
2.48
− 50 − 25 0 25 50 75 100 125
T_A − Free-Air Temperature − °C
Figure 4.
CATHODE CURRENT
vs
CATHODE VOLTAGE
150
V_KA = V_I(ref)
T_A = 25°C
100
50
0
− 50
− 100
− 150
−3 −2
−1
0
1
2
3
V_KA − Cathode Voltage − V
Figure 6.
0
− 50 − 25 0
25 50
75 100 125
T_A − Free-Air Temperature − °C
Figure 5.
CATHODE CURRENT
vs
CATHODE VOLTAGE
800
V_KA = V_I(ref)
T_A = 25°C
600
400
200
0
− 200
−2
−1
0
1
2
3
4
V_KA − Cathode Voltage − V
Figure 7.
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