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  • TPS3123 Ultra-Low Voltage Processor Supervisory Circuits

    • SLVS227H August   1999  – March 2025

      PRODUCTION DATA  

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  • TPS3123 Ultra-Low Voltage Processor Supervisory Circuits
  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Switching Characteristics
    8. 6.8 Timing Diagrams
    9. 6.9 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Manual Reset ( MR)
      2. 7.3.2 Active-High or Active-Low Output
      3. 7.3.3 Push-Pull or Open-Drain Output
      4. 7.3.4 Watchdog Timer (WDI)
    4. 7.4 Device Functional Modes
  9. 8 Device and Documentation Support
    1. 8.1 Device and Documentation Support
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information
  12. IMPORTANT NOTICE

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DBV|5
Thermal pad, mechanical data (Package|Pins)
Orderable Information
  • slvs227h_oa
  • slvs227h_pm
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Data Sheet

TPS3123 Ultra-Low Voltage Processor Supervisory Circuits

1 Features

  • Minimum supply voltage of 0.9V
  • Supply voltage supervision range:
    • 1.2V, 1.5V, 1.8V (TPS312x)
    • 3V (TPS3125 devices only)
    • Other versions on request
  • Power-on reset generator with fixed delay time of 180ms
  • Manual reset input (TPS3123/5/6/8)
  • Watchdog timer retriggers the RESET output at VDD ≥ VIT-
  • Supply current of 14μA (typical)
  • Small SOT23-5 package
  • Temperature range of –40°C to +85°C
  • Reset output available in Push-Pull (Active-Low and High) and Open-Drain (Active-Low)

2 Applications

  • Portable / battery-powered equipment
  • Wireless communication systems
  • Industrial automation
  • Servers
  • Building automation

 
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