LM317
3-TERMINAL ADJUSTABLE REGULATOR
SLVS044H – SEPTEMBER 1997 – REVISED DECEMBER 2001
APPLICATION INFORMATION
LM317
VI+
INPUT
OUTPUT
R1
240
Ω
ADJUST
R2
1.1 kΩ
R3
(see Note A)
VI–
NOTE A: R3 sets the peak current (0.6 A for a 1-Ω resistor).
Figure 12. Current-Limited 6-V Charger Circuit
LM317
VI
INPUT
OUTPUT
0.2
Ω
ADJUST
LM317
INPUT
OUTPUT
0.2
Ω
ADJUST
4.5 V to 25 V
LM317
INPUT
OUTPUT
0.2
Ω
ADJUST
5 kΩ
100
Ω
_
TL080
+
200 pF
1.5 kΩ
150
Ω
5 kΩ
2N2905
Figure 13. Adjustable 4-A Regulator Circuit
8
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265