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The TPV6823 is a supervisory circuit that monitors power supply voltage levels and provides a power-on reset signal. It also has an on-chip watchdog timer, which can give out a reset signal if the microprocessor fails to strobe the watchdog timer within a preset timeout period. A reset signal can also be asserted by an external manual reset input. The reset and watchdog timeout periods are fixed at 200 ms (typical) and 1.6 sec (typical) respectively. The TPV6823 is available in a SOT23-5 package and typically consumes only 2.2 μA, suitable for use in lowpower and portable applications.
Features
• Precision Low Voltage Monitoring
• 200-ms (typical) Reset Timeout
• Watchdog Timer with 1.6-sec Timeout
• Manual Reset Input
• Reset Output Stage
• Push-Pull Active-Low
• Low-Power Consumption: 2.2 μA
• Guaranteed Reset Output valid to VCC = 1 V
• Power Supply Glitch Immunity
• Specified from −40°C to +125°C
• SOT23-5 Package
Applications
• Microprocessor Systems
• Computers
• Controllers
• Intelligent Instruments
• Portable Equipment
Features
• Precision Low Voltage Monitoring
• 200-ms (typical) Reset Timeout
• Watchdog Timer with 1.6-sec Timeout
• Manual Reset Input
• Reset Output Stage
• Push-Pull Active-Low
• Low-Power Consumption: 2.2 μA
• Guaranteed Reset Output valid to VCC = 1 V
• Power Supply Glitch Immunity
• Specified from −40°C to +125°C
• SOT23-5 Package
Applications
• Microprocessor Systems
• Computers
• Controllers
• Intelligent Instruments
• Portable Equipment