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TL431 参数 Datasheet PDF下载

TL431图片预览
型号: TL431
PDF下载: 下载PDF文件 查看货源
内容描述: 可编程精密并联稳压器 [PROGRAMMABLE PRECISION SHUNT REGULATOR]
分类和应用: 稳压器
文件页数/大小: 12 页 / 666 K
品牌: HTC [ HTC KOREA TAEJIN TECHNOLOGY CO. ]
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PROGRAMMABLE PRECISION SHUNT REGULATOR
FEATURES
Programmable Output Voltage to 40V
Guaranteed 0.5% Reference Voltage Tolerance
Low (0.2Ω Typ.) Dynamic Output Impedance
Cathode Current Range(Continuous) – 100 ~ 150 mA
Equivalent Full Range Temperature Coefficient of
50PPM/℃
Temperature Compensated For Operation Over
Full Rate Operating Temperature Range
Low Output Noise Voltage
Fast Turn-on Response
TO-92, SOT-89 or SOT-23 3L Package
TO-92 PKG
TL431/A/C
3
T
O
P
2
1
SOT-23 PKG
2
TOP
APPLICATION
Shunt Regulator
Precision High-Current Series Regulator
High-Current Shunt Regulator
Crowbar Circuit
PWM Converter With Reference
Voltage Monitor
Precision Current Limiter
1
3
SOT-89 PKG
TOP
DESCRIPSION
The TL431 is a three-terminal adjustable shunt regulator
with specified thermal stability over applicable
temperature V
REF
(Approx. 2.5V) and 40V with two
external resistors. This device has a typical dynamic
output impedance of 0.2Ω. Active output circuitry provides
a very sharp turn-on characteristic, making this device
excellent replacement for zener diodes in many
applications. The TL431 is characterized for operation
from -40℃ to +125℃.
PIN 1. Reference
ORDERING INFORMATION
Device
TL431
TL431TA
TL431SF
TL431F
1
2
3
2. Anode
3. Cathode
Package
TO-92(Bulk)
TO-92(Taping)
SOT-23 3L
SOT-89 3L
* Refer to the page 2 for detailed ordering Information,
Absolute Maximum Ratings
(Operating temperature range applies unless otherwise specified)
CHARACTERISTIC
Cathode Voltage
Cathode Current Range(Continuous)
Reference Input Current Range
Junction Temperature Range
Operating Temperature Range
Storage Temperature Range
Dec. 2010 – Rev.1.5
SYMBOL
V
KA
I
K
I
REF
T
J
T
OPR
T
STG
MIN.
-
-100
-0.05
-40
-40
-65
MAX.
42
150
10
150
125
150
UNIT
V
mA
mA
-1-
HTC