TL1431-EP_15 Datasheet, PDF (7/23 Pages) Texas Instruments – TL1431-EP Precision-Programmable Reference

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150
TL1431-EP
SLVS529D – APRIL 2004 – REVISED JANUARY 2015
800
100
600
50
400
0
200
-50
-100
0
-150
-200
-3
-2
-1
0
1
2
3
-2
-1
0
1
2
3
4
Cathode Voltage (V)
D003
Cathode Voltage (V)
D004
V_KA = V_I(ref)
T_A = 25°C
V_KA = V_I(ref)
T_A = 25°C
Figure 3. Cathode Current vs Cathode Voltage
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
0
-50 -25
V_KA = 36 V
0
25
50
75
Free-Air Temperature (GC)
V_I(ref) = 0
100 125
D005
Figure 4. Cathode Current vs Cathode Voltage
-0.85
-0.95
-1.05
-1.15
-1.25
-1.35
-1.45
-50 -25
V_KA = 3 to 36 V
0
25
50
75
Free-Air Temperature (GC)
100 125
D006
Figure 5. Off-State Cathode Current vs Free-Air Temperature
260
Figure 6. Ratio of Delta Reference Voltage to Delta Cathode
Voltage vs Free-Air Temperature
240
220
200
180
160
140
120
100
10
100
I_O = 10 mA
1k
10k
Frequency (Hz)
T_A = 25°C
100k
D007
Figure 7. Equivalent Input-Noise Voltage vs Frequency
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