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78M05 参数 Datasheet PDF下载

78M05图片预览
型号: 78M05
PDF下载: 下载PDF文件 查看货源
内容描述: 三端0.5A正电压稳压器 [3-Terminal 0.5A Positive Voltage Regulator]
分类和应用: 稳压器
文件页数/大小: 14 页 / 91 K
品牌: FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
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MC78MXX/LM78MXX
Typical Applications
V
I
C
I
1
MC78MXX
LM78MXX
2
3
V
O
C
O
0.1µF
0.3µF
Figure 1. Fixed Output Regulator
V
I
C
I
1
MC78MXX
LM78MXX
2
3
C
O
0.1µF
0.33µF
I
O
VXX
I
O
Vxx
I
O
= R
1
+I
O
Figure 2. Constant Current Regulator
Notes:
1. To specify an output voltage, substitute voltage value for "XX"
2. Although no output capacitor is needed for stability, it does improve transient response.
3. C
I
is required if regulator is located an appreciable distance from power Supply filter
R
1
V
I
C
I
1
MC78MXX
LM78MXX
2
3
V
O
V
XX
R
1
C
O
0.1µF
0.33µF
I
O
I
R1
5I
O
V
O
= V
XX
(1+R
2
/R
1
) +I
O
R
2
R
2
Figure 3. Circuit for Increasing Output Voltage
9