XR-25 Description
FUNCTIONAL BLOCK DIAGRAM The XR-1543/2543/3543 are monolithic integrated circuits that contain all the functions necessary to monitor and control the output of a power supply system. Included in the 16-Pin dual-in-line package is a voltage reference, an operational amplifier, voltage parators, and a high-current SCR trigger circuit. The functions performed by this device include over-voltage senSing, under-voltage...