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参数资料
| 型号： | TL431IU-1 |
| 厂商： | VISHAY SEMICONDUCTORS |
| 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, PDSO3 |
| 封装： | SOT-23, 3 PIN |
| 文件页数： | 1/10页 |
| 文件大小： | 105K |
| 代理商： | TL431IU-1 |
Description
The GS431B/TL431A/TL431 are 3-terminal adjustable
precision shunt regulators with guaranteed temperature
stability
over
the
applicable
extended
commercial
temperature range. The output voltage may be set at any
level greater than 2.495V (VREF) up to 30V merely by
selecting two external resistors that act as a voltage divider
network. These devices have a typical output impedance of
0.08
. Active output circuitry provides very sharp turn-on
characteristics, making these devices excellent improved
replacements for zener diodes in many applications.
The precise ±0.5% reference voltage tolerance of the
GS431B makes it possible in many applications to avoid
the use of a variable resistor, consequently saving cost and
eliminating
drift and reliability problems associated with it.
Applications
Voltage Monitor
Delay Timer
Constant-Current Source/Sink
High-Current Shunt Regulator
Crow Bar
Over-Voltage/Under-Voltage Protection
Mechanical Data
Case: SO-8, SOT-23, SOT-89, TO-92
High temperature soldering guaranteed:
260°C/10 seconds at terminals
Case outlines are on the back pages
Features
Programmable Output Voltage to 30V
Precision Reference Voltage
GS431B:
2.495V ±0.5%
TL431A:
2.495V ±1.0%
TL431:
2.495V ±1.6%
Sink Current Capability: 200mA.
Minimum Cathode Current for Regulation: 250
A
Equivalent Full-Range Temperature Coefficient:
50 ppm/
°C
Fast Turn-On Response
Low Dynamic Output Impedance: 0.08
Low Output Noise
TO-92
LP Suffix
U Suffix
SOT-23
S Suffix
SO-8
X Suffix
SOT-89
1
2
3
1
2
3
Symbol
Block Diagram
ANODE (A)
REF (R)
CATHODE (C)
REF (R)
+
-
ANODE (A)
CATHODE (C)
2.495V
1
2
3
4
8
7
6
5
1
2
3
GS431B/TL431A/TL431
Vishay
formerly General Semiconductor
Preliminary
Adjustable Precision Shunt Regulators
Document Number 74806
www.vishay.com
1-Jul-02
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TL431IYD | 制造商:STMicroelectronics 功能描述:V-REF ADJUSTABLE 2.495V TO 36V 100MA 8-P |
| TL431IYDT | 功能描述:IC VREF SHUNT PREC ADJ 8-SO RoHS:是 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:3,000 系列:- 基准类型:旁路，精度 输出电压:3V 容差:±0.5% 温度系数:100ppm/°C 输入电压:- 通道数:1 电流 - 阴极:82µA 电流 - 静态:- 电流 - 输出:15mA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:6-TSSOP（5 引线），SC-88A，SOT-353 供应商设备封装:SC-70-5 包装:带卷 (TR) 其它名称:296-20888-2 |
| TL431IZ | 功能描述:基准电压& 基准电流 2.5-36V Prog Adjust RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| TL431IZ-AP | 功能描述:基准电压& 基准电流 2.5-36V Prog Adjust RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| TL431IZT | 功能描述:基准电压& 基准电流 2.5-36V Prog Adjust RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
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