LM317LIDR Datasheet, PDF (5/17 Pages) Texas Instruments – 3-TERMINAL ADJUSTABLE REGULATOR

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LM317L
SLCS144D – JULY 2004 – REVISED OCTOBER 2011
LM317L
V_I
Input Output
Adjustment
240 Ω
LM317L
24 Ω
V_I
Input Output
Adjustment
Figure 7. 50-mA Constant-Current Battery-Charger
Circuit
TIP73
1.1 kΩ
I_CHG
V_BE
R
+
V_BE
I_CHG
V−
Figure 8. Current-Limited 6-V Charger
2N2905
500 Ω
V_I
5 kΩ
LM317L
22 Ω
Input Output
Adjustment
120 Ω _1N4002
10 µF
5 kΩ
R_L†
10 µF^‡
V_O
47 µF
† _{Minimum load current is 30 mA.}
‡ _{Optional capacitor improves ripple rejection.}
Figure 9. High-Current Adjustable Regulator
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