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TPS3840 Datasheet High Input Voltage Supervisor

Manufacturer: Texas Instruments

Overview: Product Folder Order Now Technical Documents Tools & Software Support & Community TPS3840 SNVSB03D – DECEMBER 2018 – REVISED JANUARY 2020 TPS3840 Nano Power, High Input Voltage Supervisor With MR and Programmable Delay.

General Description

Wide Vin allows monitoring 9V rails or batteries without external components and 24V rails with external resistors.

Nano-Iq extends battery life for low power applications and minimizes current consumption when using external resistors.

Fast start-up delay allows the detection of a voltage fault before the rest of the system powers up providing maximum safety in hazardous start-up fault conditions.

Key Features

  • 1 Wide operating voltage: 1.5 V to 10 V.
  • Nano supply current: 300 nA (Typ), 700 nA (Max).
  • Fixed threshold voltage (VIT-).
  • Threshold from 1.6 V to 4.9 V in 0.1-V steps.
  • High accuracy: 1% (Typ), 1.5% (Max).
  • Built-in hysteresis (VIT+).
  • 1.6 V < VIT- ≤ 3.0 V = 100 mV (Typical).
  • 3.1 V ≤ VIT- < 4.9 V = 200 mV (Typical).
  • Start-up delay (tSTRT): 220 µs (Typ), 350 µs (Max).
  • Programmable reset time delay (tD):.

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