Application Embedded Controllers and Processors Intelligent Instruments Automotive SystemsCritical µP Power MonitoringSpecificationsIf Military/Aerospace specified devices are required,please contact the National Semiconductor Sales OfficeDistributors for availability and specifications.Supp...
LM3706: Application Embedded Controllers and Processors Intelligent Instruments Automotive SystemsCritical µP Power MonitoringSpecificationsIf Military/Aerospace specified devices are required,please ...
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Power on Reset | Yes |
Watchdog | Yes |
Power Fail Input | No |
Manual Reset | No |
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 |
Voltage Supervised | 3.3 Volt |
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The LM3706/LM3707 series of microprocessor supervisory circuits provide the maximum flexibility for monitoring power supplies and battery controlled functions in systems without backup batteries. The LM3706/LM3707 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.
Low Line Output: This early power failure warning indicator goes low when the supply voltage drops to a value which is 2% higher than the reset threshold voltage. Watchdog Timer:
The WDI (Watchdog Input) monitors one of the µP's output lines for activity. If no output transition occurs during the watchdog timeout period, reset is activated.