TLV431, TLV431A, TLV431B
LOW VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR
SLVS139R − JULY 1996 − REVISED SEPTEMBER 2005
PARAMETER MEASUREMENT INFORMATION
†
REFERENCE VOLTAGE
vs
JUNCTION TEMPERATURE
1.254
IK = 10 mA
1.252
V ref − Reference Voltage − V
1.250
1.248
1.246
1.244
1.242
1.240
1.238
−50
−25
0
25
50
75
100
125
150
TJ − Junction Temperature −
°C
Figure 4
REFERENCE INPUT CURRENT
vs
JUNCTION TEMPERATURE
(for TLV431 and TLV431A)
250
IK = 10 mA
R1 = 10 kΩ
R2 = Open
200
250
230
I ref − Reference Input Current − nA
210
190
170
150
130
110
90
70
50
−50
50
−50
IK = 10 mA
R1 = 10 kΩ
R2 = Open
REFERENCE INPUT CURRENT
vs
JUNCTION TEMPERATURE
(for TLV431B)
I ref − Reference Input Current − nA
150
100
−25
0
25
50
75 100 125
TJ − Junction Temperature −
°C
150
−25
0
25
50
75
100
125
150
TJ − Junction Temperature −
°C
Figure 5A
Figure 5
Figure 5B
† Operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied.
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