AIC431 View Datasheet(PDF) - Analog Intergrations

Part Name

Description

MFG CO.

AIC431

Adjustable Precision Shunt Regulators

Analog Intergrations 

1 2 3 4 5 6 7 8 9 10

AIC431/TL431A/TL431

n APPLICATION EXAMPLES (Continued)

VIN

R1

VOUT

VIN FUSE

R1

VOUT

AIC431

R2

AIC431

R2

VOUT ≅ (1+R1/R2) x VREF

Fig 8. Higher-Current Shunt Regulator

VLIMIT ≅ (1+R1/R2) x VREF

Fig 9. Crow Bar

VIN

R1A

R1B

R2A

+

AIC431

R2B

AIC431

Output ON when

Low Limit <VIN < High Limit

VBE

Low Limit≅ VREF ( 1+ R1B/ R2B )+ VBE

High Limit ≅ VREF ( 1+ R1A/ R2A )

Fig 10. Over-Voltage/Under-Voltage Protection Circuit

9

Share Link: