LM317

3-TERMINAL ADJUSTABLE REGULATOR

SLVS044H – SEPTEMBER 1997 – REVISED DECEMBER 2001

9

POST OFFICE BOX 655303

APPLICATION INFORMATION

INPUT

OUTPUT

ADJUST

LM317

2N2905

22

Ω

VI

5 k

Ω

500

Ω

120

Ω

1N4002

See

Note A

10

µF

(see Note B)

47

µF

10

µF

TIP73

VO

NOTES: A. The minimum load current is 30 mA.

B. This optional capacitor improves ripple rejection.

Figure 14. High-Current Adjustable Regulator Circuit