LM431ACN(2003) データシートの表示（PDF） - Fairchild Semiconductor

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LM431ACN
(Rev.:2003)

Programmable Shunt Regulator

Fairchild Semiconductor 

Typical Application

VO

=





1

+

R-R----12-

Vref

LM431A/B/C

Figure 11. Shunt Regulator

LM431A/LM431B/LM431C

VO

=

Vr



ef

1

+

R-R----12-

LM7805/MC7805

VO = 1 + R-R----12- Vref

LM431A/B/C

LM431A/B/C

Figure 12. Output Control for

Three--Te r- minal Fixed Regulator

Figure 13. High Current Shunt Regulator

LM431A/B/C

Figure 14. Current Limit or Current Source

LM431A/B/C

Figure 15. Constant-Current Sink

7

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