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TL431 其他数据使用手册 - SLKOR（韩国萨科微）
制造商:
SLKOR（韩国萨科微）
封装:
SOT-23
描述:
电压基准芯片
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3D模型
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TL431数据手册
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of 2 Go
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Adjustable Accurate Reference Source
Features
The output voltage can be adjusted to 36V
Low dynamic output impedance, its typical value is 0.2
Trapping current capability is 1 to 100mA
The typical value of the equivalent temperature factor in the
whole temperature scope is 50 ppm/
The effective temperature compensation in the working
range of full temperature
Low output noise voltage
Fast on-state response
Electrical Characteristics (Ta = 25 unless otherwise specified)
Parameter Symbol Testconditons Min Typ Max Unit
Reference Input Voltage V
REF
V
KA
=V
REF
,I
KA
= 10mA 2.45 2.5 2.55 V
Deviation of Reference Input Voltage V
KA
=V
REF
,I
KA
= 10mA
Over Temperature (*)
T
min
T
a
T
max
Ratio of Change in Reference Input Voltage
I
KA
=10mA, V
KA
=10V V
REF
-1.0 -2.7 mV/V
to the Change in Cathode Voltage
I
KA
=10mA, V
KA
=36V 10V
-0.5 -2.0 mV/V
Reference Input Current I
REF
I
KA
=10mA,R
1
=10K ,R
2
=
1.5 4
A
Deviation of Reference Input Current
I
KA
=10mA,R
1
=10K ,R
2
=
Over Full Temperature Range T
A
= Full Temperature
Minimum Cathode Current for Regulation I
KA(min)
V
KA
=V
REF
0.45 1.0 mA
Off-state Cathode Current I
KA(OFF)
V
KA
=36V,V
REF
= 0 0.05 1.0
A
Dynamic Impedance Z
KA
V
KA
=V
REF
,I
KA
= 1 to 100mA,
f 1.0KHz
0.15 0.5
*T
MIN
=0 ,T
MAX
=+70
mV
0.4 1.2
A
V
REF
/ T
V
REF
/ V
KA
I
REF
/ T
4.5 17
SOT-23
Unit: mm
2.9 0.1
0.4 0.1
2.4 0.1
1.3 0.1
0.4
0.55
0.95 0.1
1.9 0.1
0.1
+0.05
-0.01
0.97 0.1
0.38 0.1
00.1
1
2
3
1.Reference
2.Cathode
3.Anode
Absolute Maximum Ratings
(Operating temperature range applies unless otherwise specified)
Parameter Symbol Rating Unit
Cathode Voltage V
KA
37 V
Cathode Current Range (Continuous) I
KA
-100 +150
mA
Reference Input Current Range I
REF
0.05 +10
mA
Power Dissipation P
D
350 mW
Operating Temperature T
OPR
0 70
Storage Temperature Range T
STG
-65 +150
1
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TL431
Classification Of V
REF
Rank 0.5% 1% 2%
Range
2.487
2.512 2.475 2.525 2.450 2.550
Features
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