TL431AC 데이터 시트보기 (PDF) - Microsemi Corporation

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TL431AC

PROGRAMMABLE PRECISION REFERENCES

Microsemi Corporation 

TL431

Figure 1 : Test Circuit for VKA = VREF

Input

R

VREF

IK=10mA

Output

VKA

Figure 3 : Test Circuit for IOFF

VKA=36V

IOFF

Figure 2 : Test Circuit for VKA > VREF

Input

R

Output

R1

IREF

IK

VKA

R2

VREF

( ) VKA = VREF 1 + RR-----12-- + R1 x IREF

Figure 4 : Test Circuit for Phase Margin and

Voltage Gain

10µF

Input

10µF

IK=10mA

VREF

Figure 5 : Block diagram of TL1431

Cathode

Vref

+

-

Vref

Anode

4/10

Figure 6 : Test Circuit for Response time

1 mA

0 mA

IK=1mA

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