參數(shù)資料
型號(hào): MC78XXAE
廠商: Fairchild Semiconductor Corporation
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: 5.0 AMP POSITIVE VOLTAGE REGULATOR
中文描述: 5.0放大器正電壓穩(wěn)壓器
文件頁(yè)數(shù): 20/26頁(yè)
文件大小: 246K
代理商: MC78XXAE
MC78XXE/LM78XXE/MC78XXAE
20
Figure 9. Constant Current Regulator
Notes
:
(1) To specify an output voltage. substitute voltage value for "XX." A common ground is required between the input and the
Output voltage. The input voltage must remain typically 2.0V above the output voltage even during the low point on the input
ripple voltage.
(2) C
I
is required if regulator is located an appreciable distance from power Supply filter.
(3) C
O
improves stability and transient response.
Figure 10. Circuit for Increasing Output Voltage
Figure 11. Adjustable Output Regulator (7 to 30V)
I
O
=
V
XX
R
1
+
I
Q
1
2
3
0.1uF
C
O
R1
VXX
Output
Input
0.33uF
I
Q
R
L
I
O
MC78XXE/LM78XXE
MC78XXE/LM78XXE
Output
Input
R1
R2
1
2
3
0.33uF
Cl
Co
0.1uF
VXX
I
Q
I
RI
5IQ
VO = V
XX
(1+R
2
/R
1
)+I
Q
R
2
MC7805E
LM7805E
I
RI
5IQ
VO = V
XX
(1+R
2
/R
1
)+I
Q
R
2
LM741
4
Output
Input
2
3
6
1
2
3
Cl
0.33uF
Co
0.1uF
10k
_
+
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