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參數(shù)資料
| 型號(hào)： | LM4041DQDBZRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.233 V, PDSO3 |
| 封裝： | GREEN, PLASTIC, SOT-23, 3 PIN |
| 文件頁數(shù)： | 7/28頁 |
| 文件大?。?/td> | 675K |
| 代理商： | LM4041DQDBZRG4 |
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APPLICATION INFORMATION
Adjustable Version
RS
LM4041
(Adjustable)
VS
R1
R2
VZ = VREF 1 )
R2
R1
+
VREF
Cathode and Load Currents
R
S
+
V
S
* VZ
(I
L
) IZ)
(1)
LM4041
IZ + IL
IL
IZ
VS
VZ
RS
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLCS146E – FEBRUARY 2005 – REVISED FEBRUARY 2006
The adjustable version allows VZ to be set by a user-defined resistor divider. The output voltage, VZ, is set
according to the equation shown in Figure 14.
Figure 14. Adjustable Shunt Regulator
In a typical shunt regulator configuration (see Figure 15), an external resistor, RS, is connected between the
supply and the cathode of the LM4041. RS must be set properly, as it sets the total current available to supply
the load (IL) and bias the LM4041 (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 recommended rating of 12 mA.
Figure 15. Shunt Regulator
15
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| LM4041DQDBZT | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 Adjustable Precision Mcrpwr Shunt 1% acc 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 |
| LM4041DQDBZTG4 | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 Adjustable Precision Mcrpwr Shunt 1% acc 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 |
| LM4041DYM3-1.2 | 制造商:Rochester Electronics LLC 功能描述: 制造商:RF Micro Devices Inc 功能描述: 制造商:Micrel Inc 功能描述: |
| LM4041DYM3-1.2 TR | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 Shunt Voltage Reference, Adjustable, 1.24V to 10V, 1.0% accuracy, 150ppm/deg Pb Free Finish - Lead Free 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 |
| LM4041DYM3-1.2G11 | 制造商:Micrel 功能描述:The Micrel LM4041DYM3-1.2G11 is a 1.24V to 10V Shunt Voltage Reference. |
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