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LM3704XBMM-463 |LM3704XBMM463NSCN/a30avaiMicroprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual Reset
LM3704XBMM-463 |LM3704XBMM463NSN/a890avaiMicroprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual Reset
LM3704XBMMX-463 |LM3704XBMMX463NSN/a890avaiMicroprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual Reset
LM3704XCMM-263 |LM3704XCMM263NSCN/a9avaiMicroprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual Reset
LM3704XCMM-308 |LM3704XCMM308NSCN/a1000avaiMicroprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual Reset
LM3704XCMMX-308 |LM3704XCMMX308NSN/a1203avaiMicroprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual Reset
LM3704XDMM-220 |LM3704XDMM220NSCN/a700avaiMicroprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual Reset
LM3704XDMM-232 |LM3704XDMM232NSN/a593avaiMicroprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual Reset
LM3704YAMM-308 |LM3704YAMM308NSN/a4419avaiMicroprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual Reset
LM3704YAMMX-308 |LM3704YAMMX308NSN/a4419avaiMicroprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual Reset
LM3704YCMM-232 |LM3704YCMM232NSCN/a100avaiMicroprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual Reset
LM3704YCMM-308 |LM3704YCMM308NSN/a98avaiMicroprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual Reset
LM3705XBMM-232 |LM3705XBMM232NSCN/a10avaiMicroprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual Reset
LM3705XBMM-463 |LM3705XBMM463NSN/a20avaiMicroprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual Reset
LM3705XBMMX-232 |LM3705XBMMX232NSN/a254avaiMicroprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual Reset
LM3705XCMM-308 |LM3705XCMM308NSN/a537avaiMicroprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual Reset
LM3705XCMMX-308 |LM3705XCMMX308NSN/a3920avaiMicroprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual Reset
LM3705XDBP-463 |LM3705XDBP463NSN/a9500avaiMicroprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual Reset
LM3705XDMM-232 |LM3705XDMM232NSCN/a4avaiMicroprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual Reset
LM3705XDMM-463 |LM3705XDMM463NSCN/a7avaiMicroprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual Reset


LM3705XDBP-463 ,Microprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual ResetFeaturesn Standard Reset Threshold voltage: 3.08Vn Custom Reset Threshold voltages: For other volta ..
LM3705XDMM-232 ,Microprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual Resetfeatures include the following:±n 0.5% Reset threshold accuracy at room temperatureReset:Resetisass ..
LM3705XDMM-463 ,Microprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual ResetGeneral Descriptionn Manual-Reset inputThe LM3704/LM3705 series of microprocessor supervisoryn RESE ..
LM3708XQBP-308 ,Microprocessor Supervisory Circuits with Low Line Output, Manual Reset and Watchdog Timerfeatures include the following:n Factory programmable Reset and Watchdog TimeoutReset:Resetisassert ..
LM3708XQBPX-308 ,Microprocessor Supervisory Circuits with Low Line Output, Manual Reset and Watchdog TimerPin DescriptionsBump No. Name FunctionA1 MR Manual-Reset input. When MR is less than V (Manual Rese ..
LM3710XKMM-232 ,Microprocessor Supervisory Circuits with Power Fail Input, Low Line Output, Manual Reset and Watchdog TimerPin DescriptionsPin No.Name FunctionmicroMSOPSMDA1 2 MR Manual-Reset input. When MR is less than V ..
LMV431AIM5X/NOPB ,Low-Voltage (1.24V) Adjustable Precision Shunt Regulators 5-SOT-23 -40 to 85Block Diagram... 155 Revision History........ 29 Application and Implementation...... 166 Pin Confi ..
LMV431AIM5X/NOPB ,Low-Voltage (1.24V) Adjustable Precision Shunt Regulators 5-SOT-23 -40 to 85Sample & Support &Product Tools &TechnicalCommunityBuyFolder Documents SoftwareLMV431,LMV431A,LMV43 ..
LMV431AIMF ,Low-Voltage (1.24V) Adjustable Precision Shunt RegulatorsFeaturesn Low Voltage Operation/Wide Adjust Range (1.24V/30V)The LMV431, LMV431A and LMV431B are pr ..
LMV431AIMF/NOPB ,Low-Voltage (1.24V) Adjustable Precision Shunt Regulators 3-SOT-23 -40 to 85Electrical Characteristics....... 85 Revision HistoryNOTE: Page numbers for previous revisions may ..
LMV431AIMFX ,Low-Voltage (1.24V) Adjustable Precision Shunt RegulatorsLMV431/LMV431A/LMV431B Low-Voltage (1.24V) Adjustable Precision Shunt RegulatorsAugust 2003LMV431/L ..
LMV431AIMFX NOPB ,Low-Voltage (1.24V) Adjustable Precision Shunt Regulators 3-SOT-23 -40 to 85Features 3 DescriptionThe LMV431, LMV431A and LMV431B are precision1• Low-Voltage Operation/Wide Ad ..


LM3704XBMM-463-LM3704XBMMX-463-LM3704XCMM-263-LM3704XCMM-308-LM3704XCMMX-308-LM3704XDMM-220-LM3704XDMM-232-LM3704YAMM-308-LM3704YAMMX-308-LM3704YCMM-232-LM3704YCMM-308-LM3705XBMM-232-LM3705XBMM-463-LM3705XBMMX-232-LM3705XCMM-308-LM3705XCMMX-308-LM3705XDBP-463-LM3705XDMM-232-
Microprocessor Supervisory Circuits with Power Fail Input, Low Line Output and Manual Reset
LM3704/LM3705
Microprocessor Supervisory Circuits with Power Fail
Input, Low Line Output and Manual Reset
General Description

The LM3704/LM3705 seriesof microprocessor supervisory
circuits providethe maximum flexibilityfor monitoring power
supplies and battery controlled functionsin systems without
backup batteries. The LM3704/LM3705 series are available MSOP-10 and 9-bump micro SMD packages.
Built-in features includethe following:
Reset: Resetis asserted during power-up, power-down, and
brownout conditions. RESETis guaranteed downto VCCof
1.0V.
Manual Reset Input:An input that asserts reset when pulled
low.
Power-Fail Input:A 1.225V threshold detectorfor powerfail
warning,orto monitora power supply other than VCC.
Low Line Output: This early power failure warning indicator
goes low whenthe supply voltage dropstoa value whichis higher than the reset threshold voltage.
Features
Standard Reset Threshold voltage: 3.08V Custom Reset Threshold voltages: For other voltages
between 2.2V and 5.0Vin 10mV increments, contact
National Semiconductor Corp. No external components required Manual-Reset input RESET (LM3704)or RESET (LM3705) outputs Precision supply voltage monitor Factory programmable Reset Timeout Delay Separate Power Fail comparator Availablein micro SMD packagefor minimum footprint ±0.5% Reset threshold accuracyat room temperature ±2% Reset threshold accuracy over temperature
extremes Reset assertion downto1V VCC (RESET option only)28µA VCC supply current
Applications
Embedded Controllers and Processors Intelligent Instruments Automotive Systems CriticalµP Power Monitoring
Typical Application

September 2003
LM3704/LM3705
Microprocessor
Supervisory
Circuits
with
Power
Fail
Input,
Low
Line
Output
Manual
Reset
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