參數(shù)資料
型號: MC78XX
廠商: Fairchild Semiconductor Corporation
元件分類: 基準電壓源/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
文件頁數(shù): 22/28頁
文件大小: 225K
代理商: MC78XX
MC78XX/LM78XX/MC78XXA
22
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.
V
O
= V
XX
(1+R
2
/R
1
)+I
Q
R
2
Figure 10. Circuit for Increasing Output Voltage
I
RI
5 I
Q
V
O
= V
XX
(1+R
2
/R
1
)+I
Q
R
2
Figure 11. Adjustable Output Regulator (7 to 30V)
Input
Output
MC78XX/LM78XX
CI
Co
Input
Output
MC78XX/LM78XX
CI
Co
I
RI
5IQ
Input
Output
MC7805
LM7805
LM741
Co
CI
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