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TL431CDR2 数据手册 - ON Semiconductor（安森美）
制造商:
ON Semiconductor（安森美）
分类:
电压基准芯片
封装:
SOIC-8
描述:
可编程精密基准 PROGRAMMABLE PRECISION REFERENCES
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
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典型应用电路图在P7
原理图在P2
封装尺寸在P17P18P19P20
焊盘布局在P19P20
型号编码规则在P1P13P14P15P16P20
标记信息在P1P16
封装信息在P13P14P15P16
技术参数、封装参数在P13P14P15P16
应用领域在P7P11
电气规格在P3P4
导航目录
TL431CDR2数据手册
Page:
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若手册格式错乱，请下载阅览PDF原文件
© Semiconductor Components Industries, LLC, 2008
February, 2008 - Rev. 28
1 Publication Order Number:
TL431/D
TL431, A, B Series,
NCV431A, B
Programmable
Precision References
The TL431, A, B integrated circuits are three-terminal
programmable shunt regulator diodes. These monolithic IC voltage
references operate as a low temperature coefficient zener which is
programmable from V
ref
to 36 V with two external resistors. These
devices exhibit a wide operating current range of 1.0mA to 100 mA
with a typical dynamic impedance of 0.22 W. The characteristics of
these references make them excellent replacements for zener diodes in
many applications such as digital voltmeters, power supplies, and op
amp circuitry. The 2.5 V reference makes it convenient to obtain a
stable reference from 5.0 V logic supplies, and since the TL431, A, B
operates as a shunt regulator, it can be used as either a positive or
negative voltage reference.
Features
•Programmable Output Voltage to 36 V
•Voltage Reference Tolerance: ±0.4%, Typ @ 25°C (TL431B)
•Low Dynamic Output Impedance, 0.22 W Typical
•Sink Current Capability of 1.0 mA to 100 mA
•Equivalent Full-Range Temperature Coefficient of 50 ppm/°C Typical
•Temperature Compensated for Operation over Full Rated Operating
Temperature Range
•Low Output Noise Voltage
•Pb-Free Packages are Available
(Top View)
3
1
Reference
N/C
N/C
N/C
2
4
8
7
6
5
N/C
Anode
N/C
Cathode
Anode Anode
TO-92 (TO-226)
LP SUFFIX
CASE 29
PDIP-8
P SUFFIX
CASE 626
SOIC-8
D SUFFIX
CASE 751
Pin 1. Reference
2. Anode
3. Cathode
(Top View)
3
1
Reference
N/C
2
4
8
7
6
5
N/C
Cathode
Micro8E
DM SUFFIX
CASE 846A
8
1
8
1
8
1
1
2
3
This is an internally modified SOIC-8 package. Pins 2, 3, 6 and
7 are electrically common to the die attach flag. This internal
lead frame modification increases power dissipation capability
when appropriately mounted on a printed circuit board. This
modified package conforms to all external dimensions of the
standard SOIC-8 package.
http://onsemi.com
See detailed ordering and shipping information in the package
dimensions section on page 13 of this data sheet.
ORDERING INFORMATION
See general marking information in the device marking
section on page 16 of this data sheet.
DEVICE MARKING INFORMATION
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