Application Embedded Controllers and Processors Intelligent Instruments Automotive SystemsCritical µP Power MonitoringSpecifications 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 ...
LM3707: Application Embedded Controllers and Processors Intelligent Instruments Automotive SystemsCritical µP Power MonitoringSpecifications Power on Reset Yes Watchdog Yes Power Fail Inp...
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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 | 1.2 Volt |
Input Max Voltage | 5.5 Volt |
RegType | Supervisor |
Temperature Min | -40 deg C |
Temperature Max | 85 deg C |
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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.