KA7818AE Fairchild Semiconductor, KA7818AE Datasheet - Page 23
KA7818AE
Manufacturer Part Number
KA7818AE
Description
Manufacturer
Fairchild Semiconductor
Datasheet
1.KA7818AE.pdf
(29 pages)
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KA78XXE/KA78XXAE Rev. 1.0.3
Notes:
1. To specify an output voltage. substitute voltage value for "XX." A common ground is required between the input and
2. C
3. C
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.
I
O
is required if regulator is located an appreciable distance from power Supply filter.
improves stability and transient response.
I
V
RI
O
≥ 51Q
= V
Input
Input
XX
(1 + R
C
Figure 12. Circuit for Increasing Output Voltage
C
2
I
/ R
I
Input
1
Figure 11. Constant Current Regulator
) + I
0.33µF
0.33µF
Figure 10. Fixed Output Regulator
Q
R
1
C
I
O
1
2
I
=
Vxx
R
1
0.33µF
I
KA78XXE
Q
KA78XXE
+ I
1
Q
2
2
I
23
KA78XXE
Q
C
2
3
C
O
3
O
0.1µF
0.1µF
C
3
O
R1
0.1µF
Vxx
Vxx
Output
R
R1
R2
I
L
O
Output
Output
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