µA78L00 SERIES
POSITIVE-VOLTAGE REGULATORS
SLVS010I – JANUARY 1976 – REVISED JULY 1999
APPLICATION INFORMATION
V
I
V
O
µA78Lxx
0.33 µF
0.1 µF
Figure 1. Fixed-Output Regulator
IN
OUT
µA78Lxx
+
–
G
V
I
I
L
COM
–V
O
Figure 2. Positive Regulator in Negative Configuration (V Must Float)
I
Input
Output
µA78Lxx
R1
R2
I
O
0.33 µF
0.1 µF
Figure 3. Adjustable-Output Regulator
µA78Lxx
Input
R1
Output
V
0.33 µF
O(Reg)
I
O
I
O
= (V /R1) + I Bias Current
O O
Figure 4. Current Regulator
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POST OFFICE BOX 655303 • DALLAS, TEXAS 75265