Typical Applications (Continued)
1
3
KA78XXE
VI
VO
2
0.33 μF
0.1 μF
4.7 kΩ
COMMON
7 _2
6 KA741
4 +3
4.7 kΩ
COMMON
-VIN
TIP42
-VO
Figure 15. Tracking Voltage Regulator
+20 V
1
0.33 μ F
KA7815E 3
2
0.1 μF
+15 V
1N4001
+ 2.2 μF
-20 V
2
1
KA7915E
1 μF +
3
1N4001
-15 V
Figure 16. Split-Power Supply (±15 V - 1 A)
© 2006 Fairchild Semiconductor Corporation
KA78XXE / KA78XXAE Rev. 1.9
23
www.fairchildsemi.com