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AP431ASRL-13 Datasheet(PDF) 10 Page - Diodes Incorporated |
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AP431ASRL-13 Datasheet(HTML) 10 Page - Diodes Incorporated |
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10 / 14 page  AP431/AP431A ADJUSTABLE PRECISION SHUNT REGULATOR AP431/AP431A Rev. 5 10 of 14 MARCH 2007 www.diodes.com © Diodes Incorporated Application Examples VIN + Low Limit VREF (1 + R1B/R2B) +VBE High Limit VREF (1 + R1A/R2A) R1A R1B R2A R2B VBE Output ON when Low Limit < < High Limit Fig.10 Over-Voltage / Under-Voltage Protection Circuit VIN RCL IOUT IOUT = VREF / RCL Fig. 6 Current Limiter or Current Source IOUT VIN I OUT = VREF / RS RS Fig. 7 Constant-Current Sink Fig. 4 Voltage Monitor Fig. 5 Delay Timer VOUT = (1 + R1/R2) x VREF VIN R 1 R 2 Fig. 8 Higher-Current Shunt Regulator VOUT VIN PULSE R 1 R 2 LIMIT (1 + R1/R2) x VREF Fig. 9 Crow Bar VOUT VIN O N OFF R + V IN Delay = RC x ln ( V IN -VREF ) LED on when Low Limit< V IN High Limit Low Limit ≈ V REF (1+R1B/R2B) High Limit ≈ V REF (1+R1A/R2A) R1A R2A VIN R1B R2B < VIN |
Similar Part No. - AP431ASRL-13 |
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