Allegro a1203 continuous time hall effect bipolar switch 3 8 to 24v 95 95g allegro a1203llhlt t the a1203llhlt t is a bipolar hall effect switch in a surface mounting sot 23w package the device is capable of continuous operation and features 150 high temperature operation fast power on time and low noise operation the ic includes on a single chip a voltage regulator hall voltage generator small signal amplifier schmitt trigger and nmos output transistor the unique hall element geom