SLVS165O April   1998  – March 2025 TPS3820 , TPS3823 , TPS3824 , TPS3825 , TPS3828

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  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  Electrical Characteristics for TPS3823A-33 only
    7. 6.7  Timing Requirements
    8. 6.8  Switching Characteristics
    9. 6.9  Timing Diagram
    10. 6.10 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 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Supply Rail Monitoring With Watchdog Time-Out and 200ms Delay
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curve
      2. 8.2.2 Decoupling WDI During Reset Event
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
        3. 8.2.2.3 Application Curve
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Development Support
        1. 9.1.1.1 Spice Models
      2. 9.1.2 Device Nomenclature
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 Receiving Notification of Documentation Updates
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.10 Typical Characteristics

TPS3820 TPS3823 TPS3824 TPS3825 TPS3828 Normalized Input Threshold Voltage vs Free-Air Temperature at VDD Figure 6-2 Normalized Input Threshold Voltage vs Free-Air Temperature at VDD
TPS3820 TPS3823 TPS3824 TPS3825 TPS3828 Input Current vs Input Voltage at MR Figure 6-4 Input Current vs Input Voltage at MR
TPS3820 TPS3823 TPS3824 TPS3825 TPS3828 High-Level Output Voltage vs High-Level Output CurrentFigure 6-6 High-Level Output Voltage vs High-Level Output Current
TPS3820 TPS3823 TPS3824 TPS3825 TPS3828 Minimum Pulse Duration at VDD vs VDD Threshold OverdriveFigure 6-8 Minimum Pulse Duration at VDD vs VDD Threshold Overdrive
TPS3820 TPS3823 TPS3824 TPS3825 TPS3828 Reset Delay Histogram for TPS3823A-33 Devices at 25°C (Unit Count = 20)Figure 6-10 Reset Delay Histogram for TPS3823A-33 Devices at 25°C (Unit Count = 20)
TPS3820 TPS3823 TPS3824 TPS3825 TPS3828 Watchdog Timeout Histogram for TPS3823A-33 Devices at -40°C (Unit Count = 20)Figure 6-12 Watchdog Timeout Histogram for TPS3823A-33 Devices at -40°C (Unit Count = 20)
TPS3820 TPS3823 TPS3824 TPS3825 TPS3828 Watchdog Timeout Histogram for TPS3823A-33 Devices at 125°C (Unit Count = 20)Figure 6-14 Watchdog Timeout Histogram for TPS3823A-33 Devices at 125°C (Unit Count = 20)
TPS3820 TPS3823 TPS3824 TPS3825 TPS3828 VDD to Reset Delay Histogram for TPS3823A-33 Devices at 25°C (Unit Count = 20)Figure 6-16 VDD to Reset Delay Histogram for TPS3823A-33 Devices at 25°C (Unit Count = 20)
TPS3820 TPS3823 TPS3824 TPS3825 TPS3828 VDD Pulse Width Histogram for TPS3823A-33 Devices at -40°C (Unit Count = 20)Figure 6-18 VDD Pulse Width Histogram for TPS3823A-33 Devices at -40°C (Unit Count = 20)
TPS3820 TPS3823 TPS3824 TPS3825 TPS3828 VDD Pulse Width Histogram for TPS3823A-33 Devices at 125°C (Unit Count = 20)Figure 6-20 VDD Pulse Width Histogram for TPS3823A-33 Devices at 125°C (Unit Count = 20)
TPS3820 TPS3823 TPS3824 TPS3825 TPS3828 Manual Reset Pulse Width Histogram for TPS3823A-33 Devices at 25°C (Unit Count = 20)Figure 6-22 Manual Reset Pulse Width Histogram for TPS3823A-33 Devices at 25°C (Unit Count = 20)
TPS3820 TPS3823 TPS3824 TPS3825 TPS3828 WDI Pulse Width Histogram for TPS3823A-33 Devices at -40°C (Unit Count = 20)Figure 6-24 WDI Pulse Width Histogram for TPS3823A-33 Devices at -40°C (Unit Count = 20)
TPS3820 TPS3823 TPS3824 TPS3825 TPS3828 WDI Pulse Width Histogram for TPS3823A-33 Devices at 125°C (Unit Count = 20)Figure 6-26 WDI Pulse Width Histogram for TPS3823A-33 Devices at 125°C (Unit Count = 20)
TPS3820 TPS3823 TPS3824 TPS3825 TPS3828 Supply Current vs Supply VoltageFigure 6-3 Supply Current vs Supply Voltage
TPS3820 TPS3823 TPS3824 TPS3825 TPS3828 Low-Level Output Voltage vs Low-Level Output CurrentFigure 6-5 Low-Level Output Voltage vs Low-Level Output Current
TPS3820 TPS3823 TPS3824 TPS3825 TPS3828 High-Level Output Voltage vs High-Level Output CurrentFigure 6-7 High-Level Output Voltage vs High-Level Output Current
TPS3820 TPS3823 TPS3824 TPS3825 TPS3828 Reset Delay Histogram for TPS3823A-33 Devices at -40°C (Unit Count = 20) Figure 6-9 Reset Delay Histogram for TPS3823A-33 Devices at -40°C (Unit Count = 20)
TPS3820 TPS3823 TPS3824 TPS3825 TPS3828 Reset Delay Histogram for TPS3823A-33 Devices at 125°C (Unit Count = 20)Figure 6-11 Reset Delay Histogram for TPS3823A-33 Devices at 125°C (Unit Count = 20)
TPS3820 TPS3823 TPS3824 TPS3825 TPS3828 Watchdog Timeout Histogram for TPS3823A-33 Devices at 25°C (Unit Count = 20)Figure 6-13 Watchdog Timeout Histogram for TPS3823A-33 Devices at 25°C (Unit Count = 20)
TPS3820 TPS3823 TPS3824 TPS3825 TPS3828 VDD to Reset Delay Histogram for TPS3823A-33 Devices at -40°C (Unit Count = 20)Figure 6-15 VDD to Reset Delay Histogram for TPS3823A-33 Devices at -40°C (Unit Count = 20)
TPS3820 TPS3823 TPS3824 TPS3825 TPS3828 VDD to Reset Delay Histogram for TPS3823A-33 Devices at 125°C (Unit Count = 20)Figure 6-17 VDD to Reset Delay Histogram for TPS3823A-33 Devices at 125°C (Unit Count = 20)
TPS3820 TPS3823 TPS3824 TPS3825 TPS3828 VDD Pulse Width Histogram for TPS3823A-33 Devices at 25°C (Unit Count = 20)Figure 6-19 VDD Pulse Width Histogram for TPS3823A-33 Devices at 25°C (Unit Count = 20)
TPS3820 TPS3823 TPS3824 TPS3825 TPS3828 Manual Reset Pulse Width Histogram for TPS3823A-33 Devices at -40°C (Unit Count = 20)Figure 6-21 Manual Reset Pulse Width Histogram for TPS3823A-33 Devices at -40°C (Unit Count = 20)
TPS3820 TPS3823 TPS3824 TPS3825 TPS3828 Manual Reset Pulse Width Histogram for TPS3823A-33 Devices at 125°C (Unit Count = 20)Figure 6-23 Manual Reset Pulse Width Histogram for TPS3823A-33 Devices at 125°C (Unit Count = 20)
TPS3820 TPS3823 TPS3824 TPS3825 TPS3828 WDI Pulse Width Histogram for TPS3823A-33 Devices at 25°C (Unit Count = 20)Figure 6-25 WDI Pulse Width Histogram for TPS3823A-33 Devices at 25°C (Unit Count = 20)