參數(shù)資料
型號: KA78XX
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?。?/td> 227K
代理商: KA78XX
KA78XX/KA78XXA
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
C
I
C
O
Input
Output
C
I
C
O
I
RI
5IQ
Input
Output
C
I
C
O
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