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LM431BCM3X/NOPB 参数 Datasheet PDF下载

LM431BCM3X/NOPB图片预览
型号: LM431BCM3X/NOPB
PDF下载: 下载PDF文件 查看货源
内容描述: [IC 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.495 V, PDSO3, PLASTIC, SOT-23, 3 PIN, Voltage Reference]
分类和应用: 光电二极管输出元件
文件页数/大小: 13 页 / 862 K
品牌: NSC [ National Semiconductor ]
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LM431  
Electrical Characteristics (Continued)  
01005507  
The average temperature coefficient of the reference input voltage,  
V
, is defined as:  
REF  
Where:  
− T = full temperature change (0-70˚C).  
T
2
1
V
can be positive or negative depending on whether the slope is positive or negative.  
REF  
Example: V  
= 8.0 mV, V  
= 2495 mV, T − T = 70˚C, slope is positive.  
REF 2 1  
DEV  
Note 6: The dynamic output impedance, r , is defined as:  
Z
When the device is programmed with two external resistors, R1 and R2, (see Figure 2 ), the dynamic output impedance of the overall circuit, r , is defined as:  
Z
5
www.national.com  
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