Typical applications

description

The LTC™1232 provides power supply monitoring, watchdog timing and an external reset microprocessor system. An accurate internal voltage reference and comparator circuit, display power line. When a tolerant condition occurs, the reset output is forced to be active. The RST output is guaranteed to remain even with V_CCLow logic down to 1V.

The LTC1232 features an internal watchdog timer that does not force a low preset timeout when the power-active reset output strobe input is not forced. The watchdog timing operation time can be set to generally 150 milliseconds, 600 milliseconds or 1.2 seconds timeout period.

The LTC1232 performs reset button control. The LTC1232 debounces the pushbutton input and guarantees an aggressive minimum reset pulse width of 250ms.