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参数资料
| 型号： | TL431ACLPUSPCT |
| 厂商： | NXP 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, PBCY3 |
| 封装： | PLASTIC, SOT-54, TO-92, 3 PIN |
| 文件页数： | 12/16页 |
| 文件大小： | 189K |
| 代理商： | TL431ACLPUSPCT |
Philips Semiconductors
Product specification
TL431C, TL431AC, TL431I,
TL431AI, LM431AC
Adjustable precision shunt regulators
1997 Feb 25
5
αVREF can be positive or negative depending on whether minimum VREF of maximum VREF, respectively, occurs at the lower temperature.
Example: Max VREF = 2496mV at 30°C, Min VREF = 2492mV at 0°C, VREF = 2495mV at 25°C, DTA = 70°C for TL431C.
|
aV
REF | +
4mV
2495mV @
106
70oC
+ 23ppm oC
Because minimum VREF occurs at the lower temperature, the coefficient is positive.
4. The dynamic impedance is defined as: |Z
KA | +
DV
KA
DI
K
When the device is operating with two external resistors, (see Figure xx), the total dynamic impedance of the circuit is given by:
|Z |
+ DV
DI [
|Z
KA |
1
) R1
R2
PARAMETER MEASUREMENT INFORMATION
INPUT
Vref
VKA
IK
SL01177
Figure 3.
Test Circuit for VKA = Vref
R1
R2
INPUT
Vref
VKA
Iref
IK
V
KA +
V
ref
1
)
R1
R2
) I
ref
R1
SL01178
Figure 4.
Test Circuit for VKA > Vref
INPUT
VKA
Ioff
SL01179
Figure 5.
Test Circuit for IOFF
相关PDF资料 |
PDF描述 |
|---|---|
| TL431CLPUSPCF | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495 V, PBCY3 |
| TL431CLPUSPCT | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495 V, PBCY3 |
| TL431ACLPUSPCF | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495 V, PBCY3 |
| TL431ILPUSPCF | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495 V, PBCY3 |
| TL431AILPUSPCT | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495 V, PBCY3 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TL431ACLPX | 功能描述:基准电压& 基准电流 Programmable Shunt 0.01 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 |
| TL431ACLP-Z | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| TL431ACLT1 | 制造商:FCI 制造商全称:First Components International 功能描述:Programmable Precision Reference Sink Current Capability of 1.0 to 100mA |
| TL431ACN | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:PROGRAMMABLE VOLTAGE REFERENCE |
| TL431ACP | 功能描述:基准电压& 基准电流 Adj Shunt 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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