LM117, LM217, LM317 Application information
Doc ID 2154 Rev 18 11/25
(R
2
sets maximum V
O
)
* 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 11. Digitally selected outputs
Figure 12. Battery charger (12 V)
