LM117/217/317
7/15
Figure 11: 5V Electronic Shut-down Regulator
Figure 12: Digitally Selected Outputs
(R
2
sets maximum V
O
)
Figure 13: Battery Charger (12V)
* 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.
