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參數(shù)資料
| 型號(hào)： | KA278RA09C |
| 廠商： | Fairchild Semiconductor Corporation |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 2A Output Low Dropout Voltage Regulators |
| 中文描述： | 第2A輸出低壓差穩(wěn)壓器 |
| 文件頁數(shù)： | 16/20頁 |
| 文件大小： | 208K |
| 代理商： | KA278RA09C |
KA278RXXC-SERIES
16
Typical Application
KA278R33/05/51/09/12C
Figure 1. Application Circuit
Ci is required if regulator is located at an appreciable distance from power supply filter.
Co improves stability and transient response.(Co > 47
μ
F)
KA278RA05
Ci is required if regulator is located at an appreciable distance from power supply filter.
Co improves stability and transient response.(C
O
> 47
μ
F)
+
+
1
2
3
4
Vin
Vdis
Vo
GND
Disable Signal
KA278RA05
2
Vin
1
3
R3
GND
4
Vo
Vadj
R4
Co
R
L
Ci
Output
Input
Vo = 1.25 ( 1 + R
4
R
//R
3
Vo = 1.25 ( 1 + R
Vo = 1.25 ( 1 + //R
1
= 1.8k
, R
2
= 0.6k
20
15
10
-50
50
100 125
Junction temperature Tj(
℃
)
0
25
75
0
-5
-10
5
25
V
-25
KA278RA05
2
Vin
1
3
GND
4
Vo
Vadj
Co
R
L
Ci
Output = 5V
Input
Figure 2. Application Circuit (Adjustable Mode)
Figure 3. Internal Resistor(R1,R2) Variation vs. Temperature(Tj)
Figure 4. Application Circuit (Fixed Mode)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KA278RA12C | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:2A Output Low Dropout Voltage Regulators |
| KA278RA33C | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:2A Output Low Dropout Voltage Regulators |
| KA278RA51C | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:2A Output Low Dropout Voltage Regulators |
| KA278RXXC | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:2A Output Low Dropout Voltage Regulators |
| KA2803 | 制造商: 功能描述: 制造商:undefined 功能描述: |
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