SLUS772G March   2008  – June 2020 TPS40210 , TPS40211

PRODUCTION DATA  

  1. Features
  2. Applications
  3. Description
  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.      65
      3. 11.1.2 Related Devices
      4. 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 Support Resources
    6. 11.6 Trademarks
    7. 11.7 Electrostatic Discharge Caution
    8. 11.8 Glossary
  12. 12Mechanical, Packaging, and Orderable Information
    1.     78

Typical Characteristics

GUID-DF56FBCC-EC22-406C-9D17-ACA27A25E70B-low.gifFigure 6-1 Frequency vs Timing Resistance
GUID-0E9BB9D6-5C34-4E1D-BF45-6B45FE0ABB91-low.gifFigure 6-3 Quiescent Current vs Junction Temperature
GUID-A291692E-D5D0-4815-A182-4B8CDDE500C2-low.gifFigure 6-5 Reference Voltage Change vs Junction Temperature
GUID-B84E7180-8D86-470F-BA72-92B2637DAEED-low.gifFigure 6-7 Undervoltage Lockout Threshold vs Junction Temperature
GUID-604EDC5C-101A-4C9B-BCB1-0DD5A1A73B5D-low.gifFigure 6-9 Overcurrent Threshold vs Input Voltage
GUID-50E45AC6-BC8D-496C-9484-487C43AD077C-low.gifFigure 6-11 Oscillator Amplitude vs Junction Temperature
GUID-53149E2B-A4EB-4A57-91D6-0C2BF4C52168-low.gifFigure 6-13 FB Bias Current vs Junction Temperature
GUID-5305C652-BC40-441E-86AF-AD31C57D9C80-low.gifFigure 6-15 Compensation Sink Current vs Junction Temperature
GUID-00F306B9-6AC2-4B43-9A26-AA26A52F6CB9-low.gifFigure 6-17 Regulator Voltage vs Junction Temperature
GUID-9E7ADDCA-14DE-47E4-83E0-C99F244804D4-low.gifFigure 6-19 Current Sense Amplifier Gain vs Junction Temperature
GUID-EC32D136-4550-44AC-9B17-873C87EE534A-low.gifFigure 6-2 Switching Frequency vs Duty Cycle
GUID-8B713549-E8C4-45D4-8428-0D709F794C88-low.gifFigure 6-4 Shutdown Current vs Junction Temperature
GUID-9F50ABAC-9875-4603-B14D-96367A13FAB0-low.gifFigure 6-6 Reference Voltage Change vs Input Voltage
GUID-DAF61EAC-E50F-489A-A3E9-3F7E0D47790C-low.gifFigure 6-8 Overcurrent Threshold vs Junction Temperature
GUID-366AB2C3-54D3-4165-AB12-6124B862B090-low.gifFigure 6-10 Switching Frequency Change vs Junction Temperature
GUID-F6D93ACB-D02B-4E6E-B849-2DDC1857C470-low.gifFigure 6-12 Soft Start Charge/Discharge Resistance vs Junction Temperature
GUID-F2C47CB2-CDF0-4CCD-8F9B-72DF7FE68AD1-low.gifFigure 6-14 Compensation Source Current vs Junction Temperature
GUID-FDD23D1D-DE27-497F-86CA-C21122C15837-low.gifFigure 6-16 Valley Voltage Change vs Junction Temperature
GUID-84194626-69EE-4C77-B18C-AC644D355BB4-low.gifFigure 6-18 DIS/EN Turnon Threshold vs Junction Temperature