TL431, TL431A, TL431B
TL432, TL432A, TL432B
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SLVS543M –AUGUST 2004–REVISED JULY 2012
OFF-STATE CATHODE CURRENT
vs
FREE-AIR TEMPERATURE
RATIO OF DELTA REFERENCE VOLTAGE TO
DELTA CATHODE VOLTAGE
vs
FREE-AIR TEMPERATURE
2.5
2
V
= 36 V
= 0
KA
− 0.85
− 0.95
−1.05
−1.15
−1.25
−1.35
−1.45
V
ref
V
KA
= 3 V to 36 V
1.5
1
0.5
0
−75 −50 −25
0
25
50
75 100 125
−75 −50 −25
0
25
50
75 100 125
T
A
− Free-Air Temperature − °C
T
A
− Free-Air Temperature − °C
Figure 11.
Figure 12.
EQUIVALENT INPUT NOISE VOLTAGE
vs
FREQUENCY
260
240
220
200
I
= 10 mA
= 25°C
O
T
A
180
160
140
120
100
10
100
1 k
10 k
100 k
f − Frequency − Hz
Figure 13.
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