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LM3711 Datasheet(PDF) 1 Page - Texas Instruments |
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LM3711 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 19 page VIN1 GND GND NMI VCC PFI MR VCC PP PFO INT LLO Reset Reset VIN2 bus WDI LM3710, LM3711 www.ti.com SNVS150E – NOVEMBER 2000 – REVISED MARCH 2013 LM3710/LM3711 Microprocessor Supervisory Circuits with Power Fail Input, Low Line Output, Manual Reset and Watchdog Timer Check for Samples: LM3710, LM3711 1 FEATURES DESCRIPTION The LM3710/LM3711 series of microprocessor 2 • Standard Reset Threshold Voltage: 3.08V supervisory circuits provide the maximum flexibility for • Custom Reset Threshold Voltages: For other monitoring power supplies and battery controlled voltages between 2.2V and 5.0V in 10mV functions in systems without backup batteries. The increments, contact TI LM3710/LM3711 series are available in VSSOP-10 and 9-bump DSBGA packages. • No External Components Required • Manual-Reset Input Built-in features include the following: • RESET (LM3710) or RESET (LM3711) Outputs Reset: Reset is asserted during power-up, power- • Precision Supply Voltage Monitor down, and brownout conditions. RESET is ensured down to VCC of 1.0V. • Factory Programmable Reset and Watchdog Timeout Delays Manual Reset Input: An input that asserts reset when pulled low. • Separate Power Fail Comparator • Available in DSBGA Package for Minimum Power-Fail Input: A 1.225V threshold detector for Footprint power fail warning, or to monitor a power supply other than VCC. • ±0.5% Reset Threshold Accuracy at Room Temperature Low Line Output: This early power failure warning indicator goes low when the supply voltage drops to a • ±2% Reset Threshold Accuracy Over value which is 2% higher than the reset threshold Temperature Extremes voltage. • Reset Assertion Down to 1V VCC (RESET Watchdog Timer: The WDI (Watchdog Input) Option Only) monitors one of the µP's output lines for activity. If no • 28 µA VCC Supply Current output transition occurs during the watchdog timeout period, reset is activated. APPLICATIONS • Embedded Controllers and Processors • Intelligent Instruments • Automotive Systems • Critical µP Power Monitoring Typical Application 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2000–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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