LM7905 Просмотр технического описания (PDF) - National ->Texas Instruments

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LM7905

3-Terminal Negative Regulators

National ->Texas Instruments 

Typical Applications (Continued)

Current Source

5V

IOUT e 1 mA a R1

Light Controller Using Silicon Photo Cell

TL H 7340 – 7

Lamp brightness increase until iI e iQ ( 1 mA) a 5V R1

Necessary only if raw supply filter capacitor is more than 2 from LM7905CT

TL H 7340 – 8

5

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