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LM3707 Datasheet Microprocessor Supervisor

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: LM3706/LM3707 Microprocessor Supervisory Circuits with Low Line Output and Watchdog Timer June 2002 LM3706/LM3707 Microprocessor Supervisory Circuits with Low Line Output and Watchdog Timer.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

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

Key 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. Features n S.

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