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TI(德州仪器) TL7759
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  • TI(德州仪器) TL7759
  • TI(德州仪器) TL7759
  • TI(德州仪器) TL7759
  • TI(德州仪器) TL7759
  • TI(德州仪器) TL7759
  • TI(德州仪器) TL7759
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TL7759

TL7759

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适用于 5V 系统的 4 引脚监控器

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The TL7759 is a supply-voltage supervisor designed for use as a reset controller in microcomputer and microprocessor systems. The supervisor monitors the supply voltage for undervoltage conditions. During power up, when the supply voltage, VCC, attains a value approaching 1 V, the RESET and RESET outputs become active (high and low, respectively) to prevent undefined operation. If the supply voltage drops below the input threshold voltage level (VIT-), the reset outputs go to the reset active state until the supply voltage has returned to its nominal value (see timing diagram).

The TL7759C is characterized for operation from 0°C to 70°C.

  • Power-On Reset Generator
  • Automatic Reset Generation After Voltage Drop
  • Precision Input Threshold Voltage...4.55 V ±120 mV
  • Low Standby Current...20 uA
  • Reset Outputs Defined When VCC
    Exceeds 1 V
  • True and Complementary Reset Outputs
  • Wide Supply-Voltage Range...1 V to 7 V
Number of supplies monitored1
Threshold voltage 1 (typ) (V)4.55
FeaturesComplimentary output, Undervoltage monitor only, Wide input voltage
Reset threshold accuracy (%)2.6
Iq (typ) (mA)1.4
Output driver type/reset outputActive-high, Active-low, Open-drain
Supply voltage (min) (V)1
Supply voltage (max) (V)7
RatingCatalog
Watchdog timer WDI (s)None
Operating temperature range (°C)0 to 70
PDIP (P)892.5083 mm² 9.81 x 9.43
SOIC (D)829.4 mm² 4.9 x 6
SOP (PS)848.36 mm² 6.2 x 7.8
TSSOP (PW)819.2 mm² 3 x 6.4
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