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參數(shù)資料
| 型號： | LM4040A82IDCKRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 8.192 V, PDSO5 |
| 封裝： | GREEN, PLASTIC, SC-70, 5 PIN |
| 文件頁數(shù)： | 21/56頁 |
| 文件大?。?/td> | 773K |
| 代理商： | LM4040A82IDCKRG4 |
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Cathode and Load Currents
R
S
+
V
S
* VZ
(I
L
) IZ)
(1)
LM4040
IZ + IL
IL
IZ
VS
VZ
RS
LM4040
SLOS456K – JANUARY 2005 – REVISED MARCH 2008 .................................................................................................................................................. www.ti.com
In a typical shunt-regulator configuration (see Figure 9), an external resistor, RS, is connected between the
supply and the cathode of the LM4040. RS must be set properly, as it sets the total current available to supply
the load (IL) and bias the LM4040 (IZ). In all cases, IZ must stay within a specified range for proper operation of
the reference. Taking into consideration one extreme in the variation of the load and supply voltage (maximum IL
and minimum VS), RS must be small enough to supply the minimum IZ required for operation of the regulator, as
given by data-sheet parameters. At the other extreme, maximum VS and minimum IL, RS must be large enough
to limit IZ to less than its maximum-rated value of 15 mA.
Figure 9. Shunt Regulator
28
Copyright 2005–2008, Texas Instruments Incorporated
相關PDF資料 |
PDF描述 |
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| LM4040A20IDBZT | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.048 V, PDSO3 |
| LM4040B41IDBZR | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 4.096 V, PDSO3 |
| LM4040B50IDBZR | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 5 V, PDSO3 |
| LM4040B82IDCKR | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 8.192 V, PDSO5 |
| LM4040B82ILPR | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 8.192 V, PBCY3 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LM4040A82ILP | 制造商:TI 制造商全稱:Texas Instruments 功能描述:PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE |
| LM4040A82ILPR | 制造商:VISHAY 制造商全稱:Vishay Siliconix 功能描述:PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE |
| LM4040AEM3-2.1 | 制造商:Maxim Integrated Products 功能描述:IMPROVED PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE WITH M - Rail/Tube |
| LM4040AEM3-2.1+ | 制造商:Maxim Integrated Products 功能描述:V-REF PRECISION 2.048V 15MA 3PIN SOT-23 - Cut Tape Product |
| LM4040AEM3-2.1+T | 功能描述:基準電壓& 基準電流 uPower Shunt V-Ref w/Mult Brkdwn V RoHS:否 制造商:STMicroelectronics 產品:Voltage References 拓撲結構:Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準確度: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 |
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