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| 型號(hào)： | AS2870AT-3.3 |
| 元件分類(lèi)： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS |
| 中文描述： | 三端固定電壓調(diào)節(jié)器 |
| 文件頁(yè)數(shù)： | 4/6頁(yè) |
| 文件大小： | 156K |
| 代理商： | AS2870AT-3.3 |
Rev. 9/29/00
AS2870
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
AS2870
Fig.2 Basic Adjustable Regulator
V
OUT
V
IN
V
REF
R
1
R
2
I
ADJ
50μA
V
OUT
= V
REF
(1 + R
2
) + I
ADJ
R
2
R
1
*
*
AS2870
Fig.3 Basic Adjustable Regulator
V
IN
R
2
R
1
Connect R
2
to Load
R
L
Connect R
to
Case of Regulator
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS2870AT-5.0 | THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS |
| AS2870AU | Positive Adjustable Voltage Regulator |
| AS2870AU-2.5 | THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS |
| AS2870AU-3.3 | THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS |
| AS2870AU-5.0 | THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS2870AT-5.0 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Fixed Voltage Regulator |
| AS2870AU | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Adjustable Voltage Regulator |
| AS2870AU-2.5 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Fixed Voltage Regulator |
| AS2870AU-3.3 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Fixed Voltage Regulator |
| AS2870AU-5.0 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Fixed Voltage Regulator |
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