Datasheet

V
I
24 Ω
LM317L
Adjustment
OutputInput
1.1 kΩ
240 Ω
V−
V
I
LM317L
Adjustment
OutputInput
I
CHG
R +
V
BE
I
CHG
V
BE
500 Ω
V
O
47 µF
1N4002
120 Ω
10 µF
‡
10 µF
5 kΩ
22 Ω
5 kΩ
2N2905
TIP73
V
I
R
L
†
LM317L
Adjustment
OutputInput
†
Minimum load current is 30 mA.
‡
Optional capacitor improves ripple rejection.
LM317L
www.ti.com SLCS144D –JULY 2004– REVISED OCTOBER 2011
Figure 7. 50-mA Constant-Current Battery-Charger Figure 8. Current-Limited 6-V Charger
Circuit
Figure 9. High-Current Adjustable Regulator
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Product Folder Link(s): LM317L