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Updated: Feb 17
TL431 – Adjustable Precision Shunt Regulator – SMD SOT-23 Package
Product information
Reference Voltage Tolerance at 25°C – 0.5% (B Grade); 1% (A Grade); 2% (Standard Grade)
Adjustable Output Voltage: Vref to 36 V; Operation From −40°C to 125°C
Typical Temperature Drift (TL43xB) – 6 mV (C Temp); 14 mV (I Temp, Q Temp)
Low Output Noise; 0.2-Ω Typical Output Impedance; Sink-Current Capability: 1 mA to 100 mA
Applications Include: Adjustable Voltage and Current Referencing, Secondary Side Regulation in Flyback SMPS, Zener Replacement, Voltage Monitoring, Comparator with Integrated Reference