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KA7805AETU.. Datasheet(PDF) 23 Page - ON Semiconductor

Part # KA7805AETU..
Description  3-Terminal 1 A Positive Voltage Regulator
PDF  29 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

KA7805AETU.. Datasheet(HTML) 23 Page - ON Semiconductor

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© 2006 Fairchild Semiconductor Corporation
www.fairchildsemi.com
KA78XXE / KA78XXAE Rev. 1.9
22
Typical Applications (Continued)
IRI ≥ 5 IQ
VO = VXX(1+R2/R1) + IQR2
Figure 12. Adjustable Output Regulator (7 V to 30 V)
Figure 13. High-Current Voltage Regulator
Figure 14. High Output Current with Short-Circuit Protection
KA741
-
+
2
3
6
4
2
3
1
0.33
μF
CI
Input
Output
0.1
μF
CO
KA7805E
10K
Ω
3
2
1
KA78XXE
Output
Input
R1
3
Ω
0.33
μF
IREG
0.1
μF
Io
Vo
IQ1
VI
IO = IREG + BQ1 (IREG-VBEQ1/R1)
KA78XXE
Output
Vo
0.1
μF
0.33
μF
R1
3
Ω
3
2
1
Q1
Input
VI
Q2
Q1 = TIP42
Q2 = TIP42
RSC =
ISC
VBEQ2



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