SLUS772G MARCH   2008  – June 2020 TPS40210 , TPS40211

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
    1.     Device Images
      1.      Simplified Schematic
  4. Revision History
  5. Pin Configuration and Functions
    1.     Pin Functions
  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 Typical Characteristics
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Soft Start
      2. 7.3.2  BP Regulator
      3. 7.3.3  Shutdown (DIS/EN Pin)
      4. 7.3.4  Minimum On-Time and Off-Time Considerations
      5. 7.3.5  Setting the Oscillator Frequency
      6. 7.3.6  Synchronizing the Oscillator
      7. 7.3.7  Current Sense and Overcurrent
      8. 7.3.8  Current Sense and Subharmonic Instability
      9. 7.3.9  Current Sense Filtering
      10. 7.3.10 Control Loop Considerations
      11. 7.3.11 Gate Drive Circuit
      12. 7.3.12 TPS40211
    4. 7.4 Device Functional Modes
      1. 7.4.1 Operation Near Minimum Input Voltage
      2. 7.4.2 Operation With DIS/EN Pin
  8. Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 12-V to 24-V Nonsynchronous Boost Regulator
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1  Custom Design with WEBENCH Tools
          2. 8.2.1.2.2  Duty Cycle Estimation
          3. 8.2.1.2.3  Inductor Selection
          4. 8.2.1.2.4  Rectifier Diode Selection
          5. 8.2.1.2.5  Output Capacitor Selection
          6. 8.2.1.2.6  Input Capacitor Selection
          7. 8.2.1.2.7  Current Sense and Current Limit
          8. 8.2.1.2.8  Current Sense Filter
          9. 8.2.1.2.9  Switching MOSFET Selection
          10. 8.2.1.2.10 Feedback Divider Resistors
          11. 8.2.1.2.11 Error Amplifier Compensation
          12. 8.2.1.2.12 RC Oscillator
          13. 8.2.1.2.13 Soft-Start Capacitor
          14. 8.2.1.2.14 Regulator Bypass
          15. 8.2.1.2.15 Bill of Materials
        3. 8.2.1.3 Application Curves
      2. 8.2.2 12-V Input, 700-mA LED Driver, Up to 35-V LED String
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
  9. Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
      2. 11.1.2 Related Devices
      3. 11.1.3 Development Support
        1. 11.1.3.1 Custom Design with WEBENCH Tools
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Related Links
    4. 11.4 Receiving Notification of Documentation Updates
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

Typical Characteristics

TPS40210 TPS40211 fosc_v_rt_lus772.gifFigure 1. Frequency vs Timing Resistance
TPS40210 TPS40211 ivdd_v_tj_lus772.gifFigure 3. Quiescent Current vs Junction Temperature
TPS40210 TPS40211 vfb_v_tj_lus772.gifFigure 5. Reference Voltage Change vs Junction Temperature
TPS40210 TPS40211 vuvlo_v_tj_lus772.gifFigure 7. Undervoltage Lockout Threshold vs Junction Temperature
TPS40210 TPS40211 visnsoc_v_vvdd_lus772.gifFigure 9. Overcurrent Threshold vs Input Voltage
TPS40210 TPS40211 slope_v_tj_lus772.gifFigure 11. Oscillator Amplitude vs Junction Temperature
TPS40210 TPS40211 iibfb_v_tj_lus772.gifFigure 13. FB Bias Current vs Junction Temperature
TPS40210 TPS40211 icompsnk_v_tj_lus772.gifFigure 15. Compensation Sink Current vs Junction Temperature
TPS40210 TPS40211 vbp_v_tj_lus772.gifFigure 17. Regulator Voltage vs Junction Temperature
TPS40210 TPS40211 acs_v_tj_lus772.gifFigure 19. Current Sense Amplifier Gain vs Junction Temperature
TPS40210 TPS40211 fsw_vs_d_lus772.gifFigure 2. Switching Frequency vs Duty Cycle
TPS40210 TPS40211 ivdd2_v_tj_lus772.gifFigure 4. Shutdown Current vs Junction Temperature
TPS40210 TPS40211 vfb_v_vvdd_lus772.gifFigure 6. Reference Voltage Change vs Input Voltage
TPS40210 TPS40211 visnsoc_v_tj_lus772.gifFigure 8. Overcurrent Threshold vs Junction Temperature
TPS40210 TPS40211 fosc_v_tj_lus772.gifFigure 10. Switching Frequency Change vs Junction Temperature
TPS40210 TPS40211 rss_v_tj_lus772.gifFigure 12. Soft Start Charge/Discharge Resistance vs Junction Temperature
TPS40210 TPS40211 icompsrc_v_tj_lus772.gifFigure 14. Compensation Source Current vs Junction Temperature
TPS40210 TPS40211 vvly_v_tj_lus772.gifFigure 16. Valley Voltage Change vs Junction Temperature
TPS40210 TPS40211 vdisen_v_tj_lus772.gifFigure 18. DIS/EN Turnon Threshold vs Junction Temperature