ST431 Datasheet (ETC) - Low Voltage Adjustable Shunt Regulator

ST431, Low Voltage Adjustable Shunt Regulator

Low Voltage Adjustable Shunt Regulator ST431 123 Block Diagram Catho REF ANODE CATHODE Voltage Reference Accuracy of 0.1% Sink Current Capability from 1mA to 100mA Adjustable Output Voltage from Vref to 36V Low Output Noise Typical Output Dynamic Impedance Less Than 200mΩ Ref + - Vref Anode Typical Application Circuit V+ Rs Note: Rs should provide cathode current >= 1 mA R1 27.5K 0 1% R2 27.5K 0.1% 5V Precision Regulator Vo=5V Low Voltage Adjustable Shunt Regulator ST431 MAXIMUM RATI