Features: Automatically restarts a microprocessor after power failure Monitors pushbutton for external override Maintains reset for typically 150 ms after VCC returns to an in-tolerance condition Reduces need for discrete components Precision temperature-compensated voltage reference and voltage s...
DS1813: Features: Automatically restarts a microprocessor after power failure Monitors pushbutton for external override Maintains reset for typically 150 ms after VCC returns to an in-tolerance condition Re...
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SpecificationsTotal Max Power: 2,000 W Total Max Current: 164.2 A Input Voltage: 90 V to 264...
The DS1813 EconoReset uses a precision temperature reference and comparator circuit to monitor the status of the power supply (VCC). When an out-of-tolerance condition is detected, an internal power-fail signal is generated which forces reset to the active state. When VCC returns to an in-tolerance condition, the reset signal is kept in the active state for approximately 150 ms to allow the power supply and processor to stabilize.
The DS1813 also monitors a pushbutton on the reset output. If the reset line is pulled low, a reset is generated upon release and will be held in reset output low for typically 150 ms.