參數(shù)資料
型號(hào): KA7815E
廠商: FAIRCHILD SEMICONDUCTOR CORP
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: 15 V FIXED POSITIVE REGULATOR, SFM3
封裝: TO-220, 3 PIN
文件頁(yè)數(shù): 20/26頁(yè)
文件大小: 254K
代理商: KA7815E
KA78XXE/KA78XXAE
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.
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)
0.1
μ
F
C
O
C
I
0.33
μ
F
Output
Input
KA78XXE
1
3
2
Vxx
R1
R
L
I
Q
I
O
I
O
= R
1
+I
Q
Vxx
0.1
μ
F
C
O
C
I
0.33
μ
F
Output
Input
KA78XXE
1
3
2
Vxx
R1
R2
I
Q
I
RI
5IQ
KA741
-
+
2
3
6
4
2
3
1
0.33
μ
F
C
I
Input
Output
0.1
μ
F
C
O
KA7805E
10K
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