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KA7815A View Datasheet(PDF) - Fairchild Semiconductor

Part NameDescriptionManufacturer
KA7815A 3-Terminal 1A Positive Voltage Regulator Fairchild
Fairchild Semiconductor Fairchild
KA7815A Datasheet PDF : 28 Pages
First Prev 21 22 23 24 25 26 27 28
KA78XX/KA78XXA
Input
CI
Output
CO
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) CI is required if regulator is located an appreciable distance from power Supply filter.
(3) CO improves stability and transient response.
Input
CI
Output
CO
IRI 5IQ
VO = VXX(1+R2/R1)+IQR2
Figure 10. Circuit for Increasing Output Voltage
Input
CI
Output
CO
IRI 5 IQ
VO = VXX(1+R2/R1)+IQR2
Figure 11. Adjustable Output Regulator (7 to 30V)
22
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