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參數(shù)資料
| 型號： | AS2885U-3.3 |
| 元件分類： | 固定正電壓單路輸出LDO穩(wěn)壓器 |
| 英文描述： | 3.3 V FIXED POSITIVE LDO REGULATOR, 1.5 V DROPOUT, PSFM3 |
| 封裝： | TO-220, 3 PIN |
| 文件頁數(shù)： | 4/5頁 |
| 文件大小： | 126K |
| 代理商： | AS2885U-3.3 |
Rev. 9/29/00
AS2885
Basic Adjustable Regulator
Output Voltage
Consider Figure 2. The resistance R1 generates a constant current flow, normally the specified load current of 10mA. This current will
go through the resistance R2 to set the overall output voltage. The current IADJ 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 R1 resistance from the resistor divider to the case, and not to the load. For the same reason, it is best to connect the resistor R2 to
the Negative side of the load.
AS2885
Fig.2 Basic Adjustable Regulator
V
OUT
V
IN
VREF
R1
R2
V
OUT = VREF * ( 1 + R2/R1) + IADJ * R2
I
ADJ
50A
AS2885
Fig.3 Basic Adjustable Regulator
V
IN
R2
R1
Connect R
2 to Load
RL
Connect R
1 to
Case of Regulator
R
P Parasitic Line
Resistance
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS2885U-5.0 | 5 V FIXED POSITIVE LDO REGULATOR, 1.5 V DROPOUT, PSFM3 |
| AS2940T-12 | 12 V FIXED POSITIVE LDO REGULATOR, 0.2 V DROPOUT, PSSO2 |
| AS2940T-3.3 | 3.3 V FIXED POSITIVE LDO REGULATOR, 0.2 V DROPOUT, PSSO2 |
| AS2940T-5.0 | 5 V FIXED POSITIVE LDO REGULATOR, 0.2 V DROPOUT, PSSO2 |
| AS2940U-5.0 | 5 V FIXED POSITIVE LDO REGULATOR, 0.2 V DROPOUT, PSFM3 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS2885U-5.0 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| AS2886AR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| AS2886AR-1.5 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| AS2886AR-2.2 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| AS2886AR-3.3 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
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