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參數資料
| 型號： | SPX1085T |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 3A Low Dropout Voltage Regulator Adjustable & Fixed Output, Fast Response |
| 中文描述： | 第3A低壓差線性穩(wěn)壓器可調節(jié) |
| 文件頁數： | 4/7頁 |
| 文件大小： | 195K |
| 代理商： | SPX1085T |
Rev. 10/30/00
SPX1085
Basic Adjustable Regulator
Output Voltage
Consider Figure 2. The resistance R
1
generates a constant current flow, normally the specified load current of 10mA. This current will
go through the resistance R
2
to set the overall output voltage. The current I
ADJ
is very small and constant. Therefore its contribution to
the overall output voltage is very small and can generally be ignored
Load Regulation
Parasitic line resistance can degrade load regulation. In order not to affect the behavior of the regulator, it is best to connect directly
the R
1
resistance from the resistor divider to the case, and not to the load. For the same reason, it is best to connect the resistor R
2
to
the Negative side of the load.
R
P
Parasitic Line
Resistance
SPX1085
Fig.2 Basic Adjustable Regulator
V
OUT
V
IN
V
REF
R
1
R
2
V
OUT
= V
REF
* ( 1 + R
2
/R
1
) + I
ADJ
* R
2
I
ADJ
50μA
SPX1085
Fig.3 Basic Adjustable Regulator
V
IN
R
2
R
1
Connect R
2
to Load
R
L
Connect R
to
Case of Regulator
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相關代理商/技術參數 |
參數描述 |
|---|---|
| SPX1085T-1.5 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:3A Low Dropout Voltage Regulator Adjustable & Fixed Output, Fast Response |
| SPX1085T-2.5 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:3A Low Dropout Voltage Regulator Adjustable & Fixed Output, Fast Response |
| SPX1085T-3.3 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:3A Low Dropout Voltage Regulator Adjustable & Fixed Output, Fast Response |
| SPX1085T-5.0 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:3A Low Dropout Voltage Regulator Adjustable & Fixed Output, Fast Response |
| SPX1085U | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:3A Low Dropout Voltage Regulator Adjustable & Fixed Output, Fast Response |
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