SLVSGM3B March   2023  – January 2024 TPS56836 , TPS56837 , TPS56838

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 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. 6 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  Soft Start and Pre-Biased Soft Start
      4. 6.3.4  Enable and Adjusting Undervoltage Lockout
      5. 6.3.5  Output Overcurrent Limit and Undervoltage Protection
      6. 6.3.6  Overvoltage Protection
      7. 6.3.7  UVLO Protection
      8. 6.3.8  Thermal Shutdown
      9. 6.3.9  Output Voltage Discharge
      10. 6.3.10 Power Good
      11. 6.3.11 Large Duty Operation
    4. 6.4 Device Functional Modes
      1. 6.4.1 Standby Operation
      2. 6.4.2 Eco-mode
      3. 6.4.3 Forced Continuous Conduction Mode
      4. 6.4.4 Out-of-Audio™ Mode
  8. 7 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 Custom Design With WEBENCH® Tools
        2. 7.2.2.2 Output Voltage Resistors Selection
        3. 7.2.2.3 Output Filter Selection
        4. 7.2.2.4 Input Capacitor Selection
        5. 7.2.2.5 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. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Development Support
        1. 8.1.1.1 Custom Design With WEBENCH® Tools
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 Receiving Notification of Documentation Updates
    4. 8.4 Support Resources
    5. 8.5 Trademarks
    6. 8.6 Electrostatic Discharge Caution
    7. 8.7 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

Package Options

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

7.2.3 Application Curves

GUID-20230213-SS0I-T2MH-B1QW-GRWTQ35LCCMG-low.svgFigure 7-2 Efficiency
GUID-20240110-SS0I-8MD0-S9ZV-FKN11NHMG4PF-low.svgFigure 7-4 Line Regulation
GUID-20230213-SS0I-2KRN-4HX5-BG5RFMKGV05M-low.svgFigure 7-6 Steady State Waveforms, IOUT = 0.01A
GUID-20230213-SS0I-STKG-DHCW-ZBTTLM3WVSR0-low.svgFigure 7-8 Steady State Waveforms, IOUT = 4A
GUID-20230213-SS0I-C6R5-CB4M-DSK4Q2QQ9WRT-low.svgFigure 7-10 Transient Response 0A to 4A
GUID-20230213-SS0I-MBKL-JTHH-QGCTJKG9SPKH-low.svgFigure 7-12 Transient Response 0.8A to 7.2A
GUID-20230213-SS0I-STNR-L6BM-15MRL4RDCCZZ-low.svgFigure 7-14 Start-Up Relative to VIN
GUID-20230213-SS0I-HR67-JTRH-HCC2TDCPLSM3-low.svgFigure 7-16 Enable Relative to EN
GUID-20240110-SS0I-2SN0-9MFQ-FR1G01RBBLK4-low.svgFigure 7-3 Load Regulation
GUID-20221207-SS0I-BK39-82K9-VMJJ4VXD3DXV-low.svg
VIN = 24V VOUT = 5V IOUT = 4A Fsw = 500kHz
Figure 7-5 Bode Plot
GUID-20230213-SS0I-NHZC-G0BM-T5FRFRGJL9GK-low.svgFigure 7-7 Steady State Waveforms, IOUT = 0.6A
GUID-20230213-SS0I-S3HK-FQCD-L41VKTFPPRZ1-low.svgFigure 7-9 Steady State Waveforms, IOUT = 8A
GUID-20230213-SS0I-JX1Q-55WS-SM38H3TT9W4L-low.svgFigure 7-11 Transient Response 0A to 8A
GUID-20230213-SS0I-HX9N-DG41-HXF2DGBXCMPB-low.svgFigure 7-13 Transient Response 4A to 8A
GUID-20230213-SS0I-0PWZ-CW6D-CDHSPM3RH8CX-low.svgFigure 7-15 Shutdown Relative to VIN
GUID-20230213-SS0I-8JPQ-TKTP-LNF70TT2CLW7-low.svgFigure 7-17 Disable Relative to EN