The CA3277 is a Dual 5V Voltage Regulator IC intended for microprocessor and logic controller applications. It is supplied with features that are commonly specified for sequentially controlled shutdown and startup requirements of microcontrollers. Over-voltage shutdown, short circuit current limiting and thermal shutdown features are provided for protection in the harsh environmental applications of industrial and automotive systems. The CA3277 functions are complementary to the needs of microcontroller and memory circuits, providing for sustained memory with a 5V standby output.