DESCRIPTION
! ! ! # # AMC431 PRECISION ADJUSTABLE SHUNT VOLTAGE REFERENCE FEATURES
Because of the active output circuitry, the AMC431can replace the zener diodes in applications such as switching power supplies, OVP crowbar circuits, references for A/D, D/A converters with improved turn-on characteristics. APPLICATIONS
! ! ! ! ! # # # Initial voltage reference accuracy of 0.5%, 1.0%, and 1.5% Sink current capability from 1mA to 100mA Typical output dynamic impedance less than 200mΩ; Adjustable output voltage from VREF to 36V Available in 3L-TO92 and surface mount SOT89, SOT23 and 8 pin S.O.I.C. packages Low output noise Typical equivalent full range temperature coefficient of 30ppm/°C Pin assignment identical to earlier TL431 series. PACKAGE PIN OUT Voltage Reference Precision shunt regulator High current shunt regulator PWM down converter with reference Voltage monitor CATHODE ANODE VREF CATHODE ANODE ANODE NC VREF ANODE ANODE NC 3-Pin Plastic TO-92 (Top View) VREF ANODE 8-Pin Plastic S.O.I.C.
