Datasheet TL431 (Unisonic Technologies) - 5
| Manufacturer | Unisonic Technologies |
| Description | Programmable Precision Reference |
| Pages / Page | 7 / 5 — TL431. LINEAR INTEGRATED CIRCUIT. www.unisonic.com.tw |
| File Format / Size | PDF / 267 Kb |
| Document Language | English |
TL431. LINEAR INTEGRATED CIRCUIT. www.unisonic.com.tw
Text Version of Document
TL431 LINEAR INTEGRATED CIRCUIT
TEST CIRCUIT INPUT VKA IKA UTC TL431 VREF VKA=VREF×(1+R1/R2)+IREF×R1 For VKA=VREF For VKA≥VREF For IKA(OFF) APPLICATION CIRCUIT V V OUT=(1+R1/R2)×VREF OUT=(1+R1/R2)×VREF V Minimum V OUT=(1+R1/R2)×VREF OUT=VREF+5V Output Control of a Three Shutdown Regulator Higher-current Shunt Regulator -Terminal Fixed Regulator V V OUT IN I IOUT V OUT IN VOUT RCL RS RS UTC UTC TL431 TL431 IOUT=VREF/RS IOUT =VREF/RCL Constant-current Sink Current Limiting or Current Source UNISONIC TECHNOLOGIES CO., LTD 5 of 7
www.unisonic.com.tw
QW-R103-003.AF
TEST CIRCUIT INPUT VKA IKA UTC TL431 VREF VKA=VREF×(1+R1/R2)+IREF×R1 For VKA=VREF For VKA≥VREF For IKA(OFF) APPLICATION CIRCUIT V V OUT=(1+R1/R2)×VREF OUT=(1+R1/R2)×VREF V Minimum V OUT=(1+R1/R2)×VREF OUT=VREF+5V Output Control of a Three Shutdown Regulator Higher-current Shunt Regulator -Terminal Fixed Regulator V V OUT IN I IOUT V OUT IN VOUT RCL RS RS UTC UTC TL431 TL431 IOUT=VREF/RS IOUT =VREF/RCL Constant-current Sink Current Limiting or Current Source UNISONIC TECHNOLOGIES CO., LTD 5 of 7
www.unisonic.com.tw
QW-R103-003.AF
