TL431 Просмотр технического описания (PDF) - Unisonic Technologies

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TL431

PROGRAMMABLE PRECISION REFERENCE

Unisonic Technologies 

TL431

„ TEST CIRCUIT

LINEAR INTEGRATED CIRCUIT

INPUT

VKA

IKA(OFF)

UTC TL431

For VKA=VREF

„ APPLICATION CIRCUIT

VKA=VREF×(1+R1/R2)+IREF×R1

For VKA≥VREF

For IKA(OFF)

VOUT=(1+R1/R2)×VREF

Shutdown Regulator

VOUT=(1+R1/R2)×VREF

Minimum VOUT=VREF+5V

VOUT=(1+R1/R2)×VREF

Output Control of a Three Higher-current Shunt Regulator

-Terminal Fixed Regulator

IOUT=VREF/RS

Constant-current Sink

IOUT =VREF/RCL

Current Limiting or Current Source

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