參數(shù)資料
型號: KA78XXAR
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): 24/28頁
文件大?。?/td> 516K
代理商: KA78XXAR
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
Fig. 8 Fixed Output Regulator Fig. 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
is required if regulator is located an appreciable distance from
power Supply filter.
(3) C
O
improves stability and transient response.
Fig. 10 Circuit for Increasing Output Voltage Fig. 11 Adjustable Output Regulator (7 to 30V)
I
RI
5 I
Q
V
O
= V
XX
(1+R
2
/R
1
)+I
Q
R
2
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