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| MC78M05CDTX Datasheet, PDF (5/9 Pages) Fairchild Semiconductor – 3-Terminal 0.5 A Positive Voltage Regulator | |||
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VI
KA78M05
1 LM78M05
3
VO
MC78M05
CI
0.33 μF
2
IO
CO
VXX
R1
0.1 μF
IR1 ⥠5IO
R2
VO = VXX (1+R2/R1) +IOR2
Figure 4. Circuit for Increasing Output Voltage
VI
1
KA78M05
LM78M05 3
MC78M05
CI
2
0.33 μF
7
2
6 LM741
3
4
VO
0.1 μF
CO
10 kΩ
Figure 5. Adjustable Output Regulator (7 to 30 V)
13 V < VI < 25 V
VI
1 KA78M05
LM78M05
MC78M05
2
C1
0.33 μF
3
VXX
-7 V < -VI < 17 V
R4
910 Ω
R5
9.1 kΩ
6
7 _2
LM741
+ 3 R3
4
R1
VO
C2
0.1μF
10 kΩ
VO
=
VXX
R4
R1
© 2001 Fairchild Semiconductor Corporation
KA78M05 / LM78M05 / MC78M05 Rev. 1.1.0
Figure 6. 0.5 to 10 V Regulator
5
www.fairchildsemi.com
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