SLVSH48C May   2024  – November 2025 TPS7H1121-SEP , TPS7H1121-SP

PRODMIX  

  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 Quality Conformance Inspections
    7. 6.7 Typical Characteristics
  8. 7 Parameter Measurement Information
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Adjustable Output Voltage (Feedback Circuit)
      2. 8.3.2  Enable
      3. 8.3.3  Dropout Voltage VDO
      4. 8.3.4  Output Voltage Accuracy
      5. 8.3.5  Output Noise
      6. 8.3.6  Power Supply Rejection Ratio (PSRR)
      7. 8.3.7  Soft Start
      8. 8.3.8  Power Good (PG)
      9. 8.3.9  Stability
        1. 8.3.9.1 Stability
        2. 8.3.9.2 STAB Pin
      10. 8.3.10 Programmable Current Limit
      11. 8.3.11 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Enable / Disable
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Output Voltage Configuration
        2. 9.2.2.2 Output Voltage Accuracy
        3. 9.2.2.3 Enable Threshold
        4. 9.2.2.4 Soft Start Capacitor
        5. 9.2.2.5 Programmable Current Limit Resistor
        6. 9.2.2.6 Characterization of Overcurrent Events That Exceed Thermal Limits
        7. 9.2.2.7 Power Good Pull Up Resistor
        8. 9.2.2.8 Capacitors
          1. 9.2.2.8.1 Hybrid Output Capacitor Network
        9. 9.2.2.9 Frequency Compensation
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 Third-Party Products Disclaimer
    2. 10.2 Documentation Support
      1. 10.2.1 Related Documentation
    3. 10.3 Receiving Notification of Documentation Updates
    4. 10.4 Support Resources
    5. 10.5 Trademarks
    6. 10.6 Electrostatic Discharge Caution
    7. 10.7 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

11 Revision History

Changes from Revision B (June 2025) to Revision C (November 2025)

  • Made minor grammatical and wording updates Go
  • TPS7H1121-SEP status changed from Advanced Information to Production Data. Go
  • Removal of "Advance Information" note for Orderable Part Number TPS7H1121-SEP in the Device Options Table. Renamed Table from "Device Options" to "Device Comparison Table". Added link to Part rating page.Go
  • Functional Block Diagram Power Good FET updated to an NMOS FETGo
  • Added UVLO consideration to configurable turn-on.Go
  • Added additional guidance regarding the contribution of feedback resistors to output voltage accuracy calculations.Go
  • Corrected the soft-start equation VREF value to 0.6VGo
  • Changed design example soft start time to 10msGo
  • Changed design example turn-on threshold to 2.25V. Go
  • Corrected the soft-start equation VREF value to 0.6VGo
  • Removed specific reference for ceramic hardware as the curves are valid for the validation hardware used for the ceramic and plastic packages.Go
  • Typo corrected for equation 14, added COTA to denominatorGo
  • Added additional information that the minimum input voltage includes VIN UVLO.Go
  • Added link to TPS7H1121-SEP Evaluation Module User's Guide. Go

Changes from Revision A (September 2024) to Revision B (June 2025)

  • TPS7H1121-SEP status changed from product preview to Advanced Information. Go
  • Added separation of current limit specs based on package typeGo
  • Added the recommended current limit resistor setting values for TPS7H1121-SEP and calculation equation.Go
  • Added programmable current limit area for PWP24 packageGo

Changes from Revision * (May 2024) to Revision A (September 2024)

  • Changed TPS7H1121-SP QMLV from Advanced Information to Production DataGo
  • Removal of "Product Preview" for part number 5962R2320301VXC in the Device Information table. Go
  • Removal of "Product Preview" note for Orderable Part Number 5962R2320301VXC in the Device Options TableGo
  • Adjusted Enable threshold values and Programmable Current Limit min and max valuesGo
  • Added parameter measurement diagrams for Enable Propagation Delay (tEN(delay)) and Soft Start Time (tSS)Go
  • Updated equation 12Go
  • Added editorial changes to overcurrent eventsGo
  • New frequency compensation application section in detailed design procedureGo