参数资料
型号: TL431ACD
厂商: STMICROELECTRONICS
元件分类: 基准电压源/电流源
英文描述: 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495 V, PDSO8
封装: ROHS COMPLIANT, MICRO, BATWING, PLASTIC, SOP-8
文件页数: 15/16页
文件大小: 204K
代理商: TL431ACD
Electrical characteristics
TL431
8/16
Doc ID 4467 Rev 7
Figure 10.
Reference voltage vs. temperature
Figure 11.
Reference voltage vs. cathode
current
-40
-20
0
20
40
60
80
100
120
2.44
2.46
2.48
2.50
2.52
2.54
V
KA
= V
REF
I
K
= 10 mA
C
a
th
od
e
v
o
lt
age
V
KA
(V
)
Temperature (
°C)
-1
0
123
-50
-25
0
25
50
75
100
T
AMB
=+25
°C
C
a
thode
current
I
KA
(m
A
)
Cathode voltage V
KA
(V)
Figure 12.
Zoom on reference voltage vs.
cathode current
Figure 13.
Reference current vs. temperature
-1
0
123
-2
-1
0
1
2
T
AMB
= +25
°C
C
a
thode
current
I
KA
(m
A
)
Cathode voltage V
KA
(V)
-40
-20
0
20
40
60
80
100
120
0.0
0.5
1.0
1.5
2.0
I
K
=10 mA
R
1
=10k
Ω
R2= +
Ref
e
renc
e
c
u
rr
ent
I
RE
F
(
μ
A)
Temperature °C
Figure 14.
Off-state cathode current vs.
temperature
Figure 15.
Ratio of change in Vref to change in
VKA vs. temperature
-40
-20
0
20
40
60
80
100
120
0.0
0.1
0.2
0.3
0.4
V
KA
= 36 V
V
REF
= 0 V
O
ff
-st
at
e
cur
re
n
tI
OFF
(
μ
A)
Temperature (
°C)
-40
-20
0
20
40
60
80
100
120
-2.0
-1.5
-1.0
-0.5
0.0
I
K
= 10 mA
Δ
V
RE
F
/
Δ
V
KA
(m
V
/
V)
Temperature (
°C)
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