LL431(2018) Просмотр технического описания (PDF) - Unisonic Technologies

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производитель

LL431
(Rev.:2018)

PROGRAMMABLE PRECISION REFERENCE

Unisonic Technologies 

LL431

 TEST CIRCUIT

LINEAR INTEGRATED CIRCUIT

For VKA=VREF

 APPLICATION CIRCUIT

VIN

VoUT

R1

VREF

R2

UTC LL431

VOUT=(1+R1/R2)*VREF

Shutdown Regulator

For VKA≧ VREF

For IKA(OFF)

VIN

IN

UTC7805 OUT

COMMON

VoUT

R1

UTC LL431

VREF

R2

VOUT=(1+R1/R2)*VREF

Output Control of a Three

-Terminal Fixed Regulator

VIN

VoUT

R1

VREF

R2

UTC LL431

VOUT=(1+R1/R2)*VREF

Higher-current Shunt Regulator

Constant-current Sink

Current Limiting or Current Source

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

4 of 5

QW-R121-020.I

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