LM317
3-TERMINAL ADJUSTABLE REGULATOR
SLVS044H – SEPTEMBER 1997 – REVISED DECEMBER 2001
APPLICATION INFORMATION
LM317
VI
INPUT
OUTPUT
24
Ω
ADJUST
Figure 9. 50-mA Constant-Current Battery-Charger Circuit
LM317
VI
INPUT
OUTPUT
R1
240
Ω
R3
50 kΩ
R2
2.7 kΩ
2N2905
C1
25
µF
VO = 15 V
D1
1N4002
ADJUST
Figure 10. Slow Turn-On 15-V Regulator Circuit
LM317
VI
INPUT
OUTPUT
480
Ω
120
Ω
ADJUST
12 VI(PP)
ADJUST
VI
INPUT
OUTPUT
120
Ω
480
Ω
6 VO(PP)
2 W (TYP)
LM317
Figure 11. AC Voltage-Regulator Circuit
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
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