TEXAS INSTRUMENTS  TPS3808G33DBVR  Supervisory Circuit, 1.7V-6.5V Supply, 3.07V Threshold, 300ms Delay, Active-Low, SOT-23-6

TEXAS INSTRUMENTS TPS3808G33DBVR

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Product Overview


The TPS3808G33DBVR is a Low Quiescent Current Programmable Delay Supervisory Circuit that monitors system voltages from 0.4 to 5V, asserting an open-drain RESET signal when the SENSE voltage drops below a preset threshold or when the manual reset (MR) pin drops to a logic low. The RESET output remains low for the user-adjustable delay time after the SENSE voltage and manual reset (MR) return above the respective thresholds. The TPS3808 device uses a precision reference to achieve 0.5% threshold accuracy for VIT ≤3.3V. The reset delay time can be set to 20ms by disconnecting the CT pin, 300ms by connecting the CT pin to VDD using a resistor or can be user-adjusted between 1.25ms and 10s by connecting the CT pin to an external capacitor. The TPS3808 device has a very low typical quiescent current of 2.4µA, so it is well-suited to battery-powered applications.
  • Power-on reset generator with adjustable delay time (1.25ms to 10s)
  • Very low quiescent current (2.4µA typical)
  • High threshold accuracy (0.5% typical)
  • Fixed threshold voltages for standard voltage rails from 0.9 to 5V & adjustable voltage down to 0.4V
  • Manual reset (MR) input
  • Open-drain reset output
  • Green product and no Sb/Br

Applications

Signal Processing; Computers & Computer Peripherals; Portable Devices; Power Management
This device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.
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Product Information


  • Threshold Voltage 3.07V
  • No. of Supervisors / Monitors 1Monitors
  • Supply Voltage Min 1.7V
  • Supply Voltage Max 6.5V
  • Reset Type Active-Low
  • Digital IC Case SOT-23
  • No. of Pins 6Pins
  • Delay Time 300ms
  • Operating Temperature Min -40°C
  • Operating Temperature Max 125°C
  • Packaging Cut Tape
  • MSL MSL 1 - Unlimited
  • Supply Current 2.7 µA
  • Supply Voltage Range 1.7V to 6.5V
  • SVHC No SVHC (15-Jun-2015)

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  •   Simulation Model (76.77KB) EN
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