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參數(shù)資料
| 型號： | LM3411A-5.0MWC |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 5 V, UUC |
| 封裝： | WAFER |
| 文件頁數(shù)： | 3/16頁 |
| 文件大小： | 403K |
| 代理商： | LM3411A-5.0MWC |
Applications Information (Continued)
A simple 5V supply monitor circuit is shown in
Figure 12. Us-
ing the LM3411’s voltage reference, op-amp (as a compara-
tor) and output driver, this circuit provides a LED indication of
the presence of the 5V supply.
The LM3411 initial room temperature tolerance is ±1% and
±0.5% for the “A” grade part. If a tighter tolerance is needed,
a trim scheme is shown in
Figure 13 that provides approxi-
mately ±1% adjustment range of the regulation voltage
(V
REG).
The LM3411 is guaranteed to drive a 15 mA load, but if more
current is needed, a NPN boost transistor can be added. The
circuit shown in
Figure 14 is a shunt regulator capable of pro-
viding excellent regulation over a very wide range of current.
Perhaps one of the simplest applications for the LM3411 is
the voltage detector circuit shown in
Figure 15 . The OUT pin
is low when the input voltage is less than V
REG. When the
V(IN) pin rises above V
REG, the OUT pin is pulled high by the
internal NPN output resistor.
Also an overvoltage detector, the crowbar circuit shown in
Figure 16 is normally located at the output of a power supply
to protect the load from an overvoltage condition should the
power supply fail with an input/output short.
DS011987-22
FIGURE 10. Precision Negative Voltage Regulator
DS011987-23
FIGURE 11. Precision Negative Voltage
Regulator with Accurate Current Limit
DS011987-24
FIGURE 12. 4.7V Power ON Detector with Hysteresis
DS011987-25
FIGURE 13. ±50 mV External Trim
DS011987-26
FIGURE 14. 250 mA Shunt Regulator
DS011987-27
FIGURE 15. Voltage Detector
LM341
1
www.national.com
11
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM3411AM5-3.3 | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel |
| LM3411AM5-3.3/NOPB | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel |
| LM3411AM5-5.0 | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel |
| LM3411AM5-5.0/NOPB | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel |
| LM3411AM5-5.0/NOPB | 制造商:Texas Instruments 功能描述:, Voltage Regulator Type:Fixed Positive |
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