Datasheet

Figure 11. Digitally selected outputs
Input
Output
Adjust
(R
2
sets maximum V
O
)
Figure 12. Battery charger (12 V)
Input
Output
Adjust
* R
S
sets output impedance of charger Z
O
= R
S
(1 + R
2
/ R
1
). Use of R
S
allows low charging rates whit fully
charged battery.
Figure 13. Current limited 6 V charger
Input
Output
Adjust
* R3 sets peak current (0.6 A for 10).
** C1 recommended to filter out input transients.
LM217, LM317
Application information
DS0433 - Rev 21
page 12/31