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TPS3801-01DCKR

Texas Instruments

Volt Supervisor Supply 1.8V/2.5V/2.7V/3V/3.3V/5V 5-Pin SC-70 T/R

Manufacturer Part #: TPS3801-01DCKR

Alternate Part #: TPS3801-01DCKR


legend RoHS Compliant

Descriptions

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Information

The TPS380x family of supervisory circuits monitor supply voltages to provide circuit initialization and timing supervision, primarily for DSPs and other processor-based systems.

These devices assert a push-pull RESET signal when the SENSE (adjustable version) or VDD (fixed version) drops below a preset threshold. The RESET output remains asserted for the factory programmed delay time after the SENSE or VDD return above its threshold.

The TPS380x devices, except the TPS3801-01, incorporate a manual reset input (MR\). A low level at MR\ causes RESET to become active.

The TPS380x uses a precision reference to achieve an overall threshold accuracy of 2%—2.5%. These devices are available in a 5-pin SC-70 package, which is only about half the size of a 5-pin SOT-23 package.

The TPS380x devices are fully specified over a temperature range of –40°C to +85°C.

Key Features

  • Small, 5-Pin SC-70 (SOT-323) Package
  • Supply Current of 9 µA
  • Power-On Reset Generator With Fixed Delay Time
    • TPS3800 = 100 ms
    • TPS3801 = 200 ms
    • TPS3802 = 400 ms
  • Precision Supply Voltage Monitor 1.8 V, 2.5 V,
    2.7 V, 3 V, 3.3 V, 5 V, and Adjustable
  • Manual Reset Input (Except TPS3801-01)
  • Temperature Range:  –40°C to +85°C
  • APPLICATIONS
    • Applications Using DSPs, Microcontrollers, or Microprocessors
    • Wireless Communication Systems
    • Portable/Battery-Powered Equipment
    • Programmable Controls
    • Intelligent Instruments
    • Industrial Equipment
    • Notebook/Desktop Computers
    • Automotive Systems
  • Technical Attributes

    Description
    Value
    Find similar Parts
    Watchdog Timer
    No
    Number of Supervisors
    1
    Operating Temperature
    -40 to 85 °C
    Lead Finish
    Gold
    Monitored Voltage
    1.8|2.5|2.7|3|3.3|5|Adj V
    Maximum Operating Supply Voltage
    4 V
    Minimum Reset Threshold Voltage
    1.117 V
    Max Processing Temp
    260
    Type
    Supply Voltage Supervisory
    Mounting
    Surface Mount
    Screening Level
    Industrial
    Maximum Supply Current
    12 uA
    Minimum Operating Supply Voltage
    1.6 V
    Manual Reset
    No
    Maximum Reset Threshold Voltage
    1.163 V

    ECCN / UNSPSC

    Description
    Value
    ECCN:
    EAR99
    HTSN:
    8542.39.00.00
    UNSPSC:
    32101600
    UNSPSC VERSION:
    V15.1101

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