SLVSHH7A January   2024  – June 2024 TPS56837H

PRODUCTION DATA  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. Pin Configuration and Functions
  6. Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Typical Characteristics
  7. Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1  The Adaptive On-Time Control and PWM Operation
      2. 6.3.2  Mode Selection
      3. 6.3.3  Eco-mode Control Scheme
      4. 6.3.4  Soft Start and Prebiased Soft Start
      5. 6.3.5  Enable and Adjusting Undervoltage Lockout
      6. 6.3.6  Output Overcurrent Limit and Undervoltage Protection
      7. 6.3.7  Overvoltage Protection
      8. 6.3.8  UVLO Protection
      9. 6.3.9  Thermal Shutdown
      10. 6.3.10 Output Voltage Discharge
      11. 6.3.11 Power Good
      12. 6.3.12 Large Duty Operation
    4. 6.4 Device Functional Modes
      1. 6.4.1 Standby Operation
      2. 6.4.2 Light Load Operation
  8. Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Output Voltage Resistors Selection
        2. 7.2.2.2 Output Filter Selection
        3. 7.2.2.3 Input Capacitor Selection
        4. 7.2.2.4 Bootstrap Capacitor Selection
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. Device and Documentation Support
    1. 8.1 Documentation Support
      1. 8.1.1 Related Documentation
    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. Revision History
  11. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 Tape and Reel Information

Typical Characteristics

VIN = 24V (unless otherwise noted).

TPS56837H TPS56837HA Quiescent Current vs TemperatureFigure 5-1 Quiescent Current vs Temperature
TPS56837H TPS56837HA High-Side RDS(on) vs TemperatureFigure 5-3 High-Side RDS(on) vs Temperature
TPS56837H TPS56837HA Feedback Voltage vs TemperatureFigure 5-5 Feedback Voltage vs Temperature
TPS56837H TPS56837HA EN Threshold vs
                        TemperatureFigure 5-7 EN Threshold vs Temperature
TPS56837H TPS56837HA High-side Peak Current Limit vs TemperatureFigure 5-9 High-side Peak Current Limit vs Temperature
TPS56837H TPS56837HA Efficiency, Vout =
                        5VFigure 5-11 Efficiency, Vout = 5V
TPS56837H TPS56837HA Efficiency, Vout =
                        15VFigure 5-13 Efficiency, Vout = 15V
TPS56837H TPS56837HA Shutdown Current vs TemperatureFigure 5-2 Shutdown Current vs Temperature
TPS56837H TPS56837HA Low-Side RDS(on) vs TemperatureFigure 5-4 Low-Side RDS(on) vs Temperature
TPS56837H TPS56837HA VIN
                        UVLO vs TemperatureFigure 5-6 VIN UVLO vs Temperature
TPS56837H TPS56837HA Low-Side Valley Current Limit vs TemperatureFigure 5-8 Low-Side Valley Current Limit vs Temperature
TPS56837H TPS56837HA Switching Frequency vs Output CurrentFigure 5-10 Switching Frequency vs Output Current
TPS56837H TPS56837HA Efficiency, Vout =
                        9VFigure 5-12 Efficiency, Vout = 9V
TPS56837H TPS56837HA Efficiency, Vout =
                        20VFigure 5-14 Efficiency, Vout = 20V