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参数资料
| 型号： | 431CIM |
| 厂商： | National Semiconductor Corporation |
| 英文描述： | Adjustable Precision Zener Shunt Regulator |
| 中文描述： | 可调精密齐纳并联稳压器 |
| 文件页数： | 8/12页 |
| 文件大小： | 380K |
| 代理商： | 431CIM |
LM431
Electrical Characteristics (Continued)
Where:
T2 T1 = full temperature change (0-70C).
∝V
REF can be positive or negative depending on whether the slope is positive or negative.
Example: VDEV = 8.0 mV, VREF = 2495 mV, T2 T1 = 70C, slope is positive.
Note 6: The dynamic output impedance, rZ, is defined as:
When the device is programmed with two external resistors, R1 and R2, (see
Figure 2 ), the dynamic output impedance of the overall circuit, rZ, is defined as:
Equivalent Circuit
DS010055-7
The average temperature coefficient of the reference input voltage,
∝V
REF, is defined as:
DS010055-3
LM431
www.national.com
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