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| TL431LL Datasheet, PDF (5/6 Pages) Unisonic Technologies – LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR | |||
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TL431LL
Preliminary
ï® TYPICAL APPLICATION CIRCUIT
R3
VIN
LINEAR INTEGRATED CIRCUIT
VOUT
R1
VREF
R2
VOUT=(1+R1/R2)ÃVREF
Figure 4. Shunt Regulator
R1
VIN
R4
R2
VREF
VOUT
VOUT=(1+R2/R3)ÃVREF
R3
Figure 5. High Current Shunt Regulator
VIN
R2
IOUT
R1
IOUT=VREF/R2+IKA
Figure 6. Current Source or Current Limit
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 6
QW-R103-072.a
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