LM7905, LM7912, LM7915

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SNOSBQ7C – JUNE 1999 – REVISED MAY 2013

Load and line regulation < 0.01% temperature stability

≤ 0.2%

†Determine Zener current

††Solid tantalum

*Select resistors to set output voltage. 2 ppm/°C tracking suggested

Figure 3. High Stability 1 Amp Regulator

Figure 4. Current Source

*Lamp brightness increase until iI= iQ (≈ 1 mA) + 5V/R1.

†Necessary only if raw supply filter capacitor is more that 2

″ from LM7905CT

Figure 5. Light Controller Using Silicon Photo Cell

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