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TI(德州仪器) LM3704
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  • TI(德州仪器) LM3704
  • TI(德州仪器) LM3704
  • TI(德州仪器) LM3704
  • TI(德州仪器) LM3704
  • TI(德州仪器) LM3704
  • TI(德州仪器) LM3704
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LM3704

LM3704

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具有电源故障输入、低电平线路输出和手动复位功能的电压监控器和复位 IC

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The LM3704 is a feature-rich, easy-to-use voltage supervisor. It is offered in both push-pull and open-drain configuration with a tight 2% accuracy over temperature.

The LM3704 features include a manual reset, low-line output, and power-fail input detection. The power-fail input allows for a configurable second rail to be monitored helping detect upstream failures. The low-line output is used as a second interrupt line to indicate a fall in VCC (1.02 × VRST).

  • Available Threshold Voltage of 3.08 V and 2.32 V
  • No External Components Required
  • Manual-Reset Input
  • Available in Both Open-Drain and Push-Pull Configuration
  • Reset Time-Out Delay of 200 ms
  • Separate Power-Fail Comparator
  • ±0.5% Reset Threshold Accuracy at Room Temperature
  • ±2% Reset Threshold Accuracy Over Temperature
  • 28-µA VCC Supply Current
Number of supplies monitored2
Threshold voltage 1 (typ) (V)2.32, 3.08
FeaturesManual reset capable, PFI/PFO, Undervoltage monitor only
Reset threshold accuracy (%)2
Iq (typ) (mA)0.028
Output driver type/reset outputActive-low, Open-drain, Push-Pull
Time delay (ms)28, 200
Supply voltage (min) (V)1
Supply voltage (max) (V)5.5
RatingCatalog
Watchdog timer WDI (s)None
Operating temperature range (°C)-40 to 85
VSSOP (DGS)1014.7 mm² 3 x 4.9
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