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LM317T-DG Datasheet, PDF (11/25 Pages) STMicroelectronics – 1.2 V to 37 V adjustable voltage regulators
LM117, LM217, LM317
Figure 11. Digitally selected outputs
Application information
(R2 sets maximum VO)
Figure 12. Battery charger (12 V)
* RS sets output impedance of charger ZO = RS (1 + R2/R1). Use of RS allows low charging rates whit fully
charged battery.
Doc ID 2154 Rev 18
11/25