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

9.1.2 Device Nomenclature

Table 9-1 Ordering Information
ORDERABLE DEVICE NAME(1)(2)(3) THRESHOLD VOLTAGE(4) MARKING
TPS3820-33DBVT TPS3820-33DBVR 2.93V PDEI
TPS3820-50DBVT TPS3820-50DBVR 4.55V PDDI
TPS3823-25DBVT TPS3823-25DBVR 2.25V PAPI
TPS3823-30DBVT TPS3823-30DBVR 2.63V PAQI
TPS3823-33DBVT TPS3823-33DBVR 2.93V PARI
TPS3823-50DBVT TPS3823-50DBVR 4.55V PASI
TPS3824-25DBVT TPS3824-25DBVR 2.25V PATI
TPS3824-30DBVT TPS3824-30DBVR 2.63V PAUI
TPS3824-33DBVT TPS3824-33DBVR 2.93V PAVI
TPS3824-50DBVT TPS3824-50DBVR 4.55V PAWI
TPS3825-33DBVT TPS3825-33DBVR 2.93V PDGI
TPS3825-50DBVT TPS3825-50DBVR 4.55V PDFI
TPS3828-33DBVT TPS3828-33DBVR 2.93V PDII
TPS3828-50DBVT TPS3828-50DBVR 4.55V PDHI
TPS3823A-33DBVT TPS3823A-33DBVR 2.93V PYPI
(1) For the most current package and ordering information see the Package Option Addendum at the end of this document, or see the TI website at www.ti.com.
(2) The DBVT package indicates tape and reel of 250 parts.
(3) The DBVR package indicates tape and reel of 3000 parts.
(4) For other threshold voltage versions, contact the local TI sales office.