TL431(2003) データシートの表示（PDF） - Fairchild Semiconductor

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TL431
(Rev.:2003)

Programmable Shunt Regulator

Fairchild Semiconductor 

TL431/TL431A

Typical Application

VO

=





1

+

R-R----12-

Vref

VO

=

Vr



ef

1

+

R-R----12-

MC7805/LM7805

VO = 1 + R-R----12- Vref

TL431/A

Figure 10. Shunt Regulator

TL431/A

TL431/A

Figure 11. Output Control for Three- Figure 12. High Current Shunt Regula-

Termianl Fixed Regulator

tor

TL431/A

Figure 13. Current Limit or Current Source

TL431/A

Figure 14. Constant-Current Sink

6

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