Datasheet

LM7905, LM7912, LM7915
SNOSBQ7C –JUNE 1999–REVISED MAY 2013 www.ti.com
*Lamp brightness increases until i
i
= 5V/R1 (I
i
can be set as low as 1 μA)
†Necessary only if raw supply filter capacitor is more that 2″ from LM7905
Figure 6. High-Sensitivity Light Controller
*Improves transient response and ripple rejection. Do not increase beyond 50 μF.
Select R2 as follows:
LM7905CT 300Ω
LM7912CT 750Ω
LM7915CT 1k
Figure 7. Variable Output
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Product Folder Links: LM7905 LM7912 LM7915