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TL431 参数 Datasheet PDF下载

TL431图片预览
型号:
TL431
PDF下载:
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内容描述:
可编程精密基准 [Programmable Precision Reference]
分类和应用:
文件页数/大小:
12 页 / 3529 K
品牌:
IKSEMICON [ IK SEMICON CO., LTD ]
 
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TECHNICAL DATA
Programmable Precision Reference
FEATURES
Programmable Output Voltage to 40V
Low Dynamic Output Impedance 0.2Ω
Sink Current Capability of 0.1 mA to 100 mA
Equivalent Full-Range Temperature
Coefficient of 50 ppm/
o
C
Temperature Compensated for Operation over
Full Rated Operating Temperature Range
Low Output Noise Voltage
Fast Turn on Response
TO-92, SOP- 8, SOT-23, SOT-89 packages
TL431
PIN CONNECTIONS
ANODE
REFERENCE
CATHODE
DESCRIPTION
The TL431 is a three-terminal adjustable regulator series with a guaranteed thermal stability over applicable temperature ranges.
The output voltage may be set to any value between Vref (approximately 2.5 volts) and 40 volts with two external resistors. These
devices have a typical dynamic output impedance of 0.2Ω. Active output circuitry provides a very sharp turn-on characteristic,
making these devices excellent replacement for zener diodes in many applications.
o
o
The TL431 is characterized for operation from -25 C to +85 C.
SYMBOL
FUNCTIONAL BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATINGS
(Operating temperature range applies unless otherwise specified)
Characteristic
Cathode Voltage
Cathode Current Range (Continuous)
Reference Input Current Range
Power Dissipation at 25 C:
o
SOP, TO – 92 Package (R
JA
= 178 C/W)
SOT Package (R
JA
= 625
o
C/W)
Junction Temperature Range
Operating Temperature Range
Storage Temperature Range
o
Symbol
V
KA
I
K
I
REF
P
D
Value
40
-100 ~ 150
0.05 ~ 10
0.7
0.2
Unit
V
mA
mA
W
W
o
o
o
T
J
T
g
T
stg
-40 ~ 150
-40 ~ +85
-65 ~ +150
C
C
C
Rev. 00