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| 型号： | TL431CPSE4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 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, PDSO8 |
| 封装： | PLASTIC, SO-8 |
| 文件页数： | 13/24页 |
| 文件大小： | 386K |
| 代理商： | TL431CPSE4 |
TL431, Adjustable Precision Shunt Regulator
DEVICE STATUS: ACTIVE
l
Equivalent Full-Range Temperature Coefficient...30 ppm/°C
l
0.2-
Typical Output Impedance
l Sink-Current Capability...1 mA to 100 mA
l
Low Output Noise
l
Adjustable Output Voltage...V
ref
to 36 V
l
Available in a Wide Range of High-Density Packages
The TL431 and TL431A are three-terminal adjustable shunt regulators with specified thermal
stability over applicable automotive, commercial, and military temperature ranges. The output
voltage can be set to any value between V
ref
(approximately 2.5 V) and 36 V, with two
external resistors (see Figure 17). These devices have a typical output impedance of 0.2 .
Active output circuitry provides a very sharp turn-on characteristic, making these devices
excellent replacements for Zener diodes in many applications, such as onboard regulation,
adjustable power supplies, and switching power supplies.
The TL431C and TL431AC are characterized for operation from 0°C to 70°C, and the TL431I
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APPLICATION NOTES | BLOCK DIAGRAMS
PRODUCT SUPPORT: APPLICATIONS
PARAMETER NAME
TL431
Vref (V)
2.5
IZ (min) (uA)
1000
VO (max) (V)
36
Tolerance (%)
2
VI (max) (V)
36
Temp Coeff (typ) (ppm/ degree C) 30
IZ (max) (mA)
100
FEATURES
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TL431CPSR | 功能描述:基准电压& 基准电流 Adjustable Precision Shunt Regulator 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 |
| TL431CPSRG4 | 功能描述:基准电压& 基准电流 Adjustable Precision Shunt Regulator 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 |
| TL431CPW | 功能描述:基准电压& 基准电流 Adjustable Precision Shunt Regulator 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 |
| TL431CPWE4 | 功能描述:基准电压& 基准电流 Adjustable Precision Shunt Regulator 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 |
| TL431CPWG4 | 功能描述:基准电压& 基准电流 Adjustable Precision Shunt Regulator 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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