ATL431 Datasheet, PDF (5/26 Pages) Texas Instruments – Low Iq Adjustable Precision Shunt Regulator

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ATL431, ATL432
SLVSCV5C – MARCH 2015 – REVISED SEPTEMBER 2015
6.7 Typical Characteristics
Data at high and low temperatures are applicable only within the recommended operating free-air temperature ranges of the
various devices.
2520
2515
2510
Vref = 2485mV
Vref = 2500mV
Vref = 2504mV
2505
2500
2495
2490
2485
2480
2475
-40 -20 0
I_KA=1mA
20 40 60 80 100 120 140
T_A (GC)
Figure 1. Reference Voltage vs Free-Air Temperature
100
80
60
40
20
0
-20
-40
-60
-80
-100
-1.5 -1 -0.5 0 0.5 1 1.5 2 2.5 3
V_KA = V_REF (V)
D001
0.04
0.032
0.024
0.016
0.008
0
-40 -20 0 20 40 60 80 100 120 140
T_A (GC)
Figure 2. Reference Current vs Free-Air Temperature
40
TA = -40GC
TA = 25GC
TA = 85GC
30
TA = 125GC
20
10
0
0
0.5
1
1.5
2
2.5
3
V_KA = V_REF (V)
D001
Figure 3. Cathode Current vs Cathode Voltage
30
Figure 4. Cathode Current vs Cathode Voltage
0.2
0.16
25
Ik(min)
0.12
20
0.08
15
0.04
10
2.3
2.35
2.4
2.45
2.5
2.55
V_KA = V_REF (V)
0
-40 -20 0 20 40 60 80 100 120 140
T_A (GC)
Figure 5. Cathode Current vs Cathode Voltage
Figure 6. Off-State Cathode Current vs Free-Air Temperature
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