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LM3712 - Microprocessor Supervisory Circuits

General Description

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.

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. 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 µP’s output lines for activity. If no output transitio.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LM3712/LM3713 Microprocessor Supervisory Circuits with Separate Watchdog Timer Output, Power Fail Input and Manual Reset July 2002 LM3712/LM3713 Microprocessor Supervisory Circuits with Separate Watchdog Timer Output, Power Fail Input and Manual Reset General Description 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.