Datasheet

INPUT OUTPUT
ADJUST
LM317
V
I
INPUT OUTPUT
ADJUST
LM317
V
I
INPUT OUTPUT
ADJUST
LM317
V
O
(see Note A)
V
I
R1
120 Ω
R2
1 kΩ
NOTE A: Minimum load current from each output is 10 mA. All output voltages are within 200 mV of each other.
V
O
(see Note A)
V
O
(see Note A)
R1
1.2 kΩ
R2
20 kΩ
INPUT OUTPUT
ADJUST
LM317
V
O
V
I
C1
0.1 µF
C2
1 µF
R1
240 Ω
INPUT OUTPUT
ADJUST
LM317
V
I
INPUT OUTPUT
ADJUST
V
O
LM317
R2
720 Ω
R3
120 Ω
R4
1 kΩ
Output
Adjust
LM317
www.ti.com SLVS044V –SEPTEMBER 1997–REVISED FEBRUARY 2013
Figure 5. Tracking Preregulator Circuit
Figure 6. 1.25-V to 20-V Regulator Circuit With Minimum Program Current
Figure 7. Adjusting Multiple On-Card Regulators With a Single Control
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