Features: ` Standard Reset Threshold voltage: 3.08V` Custom Reset Threshold voltages: For other voltages between 2.2V and 5.0V in 10mV increments, contact National Semiconductor Corp.` No external components required` Manual-Reset input` RESET (LM3712) or RESET (LM3713) outputs` Precision supply v...
LM3712: Features: ` Standard Reset Threshold voltage: 3.08V` Custom Reset Threshold voltages: For other voltages between 2.2V and 5.0V in 10mV increments, contact National Semiconductor Corp.` No external c...
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Power on Reset | Yes |
Watchdog | Yes |
Power Fail Input | Yes |
Manual Reset | Yes |
Reset Timeout Period | 200 ms |
On/Off Pin | Yes |
Error Flag | Yes |
Input Min Voltage | 1 Volt |
Input Max Voltage | 5.5 Volt |
RegType | Supervisor |
Temperature Min | -40 deg C |
Temperature Max | 85 deg C |
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The LM3712/LM3713 series of microprocessor supervisory circuits provide the maximum flexibility for monitoring power supplies and battery controlled functions in systems without backup batteries. The LM3712/LM3713 series are available in a 9-bump micro SMD package. Built-in features include the following:
Reset: Reset is asserted during power-up, power-down, and brownout conditions. RESET is guaranteed down to VCC of 1.0V. Manual Reset Input: An input that asserts reset when pulled low.
Power-Fail Input: A 1.225V threshold detector for power fail warning, or to monitor a power supply other than VCC. Watchdog Timer: The WDI (Watchdog Input) monitors one of the P's output lines for activity. If no output transition occurs
during the watchdog timeout period, the watchdog output
(WDO) pulls low.