SLUS772G March   2008  – June 2020 TPS40210 , TPS40211

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 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. 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. 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. 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
8.2.1.2.15 Bill of Materials
Table 8-2 Bill of Materials
REFERENCE
DESIGNATOR		DESCRIPTIONSIZEPART
NUMBER		MANUFAC-
TURER
C1100 μF, aluminum capacitor, SM, ± 20%, 35 V0.406 x 0.457EEEFC1V101PPanasonic
C22200 pF, ceramic capacitor, 25 V, X7R, 20%0603StdStd
C3100 pF, ceramic capacitor, 16 V, C0G, 10%0603StdStd
C447 pF, ceramic capacitor, 16V, X7R, 20%0603StdStd
C50.22 μF, ceramic capacitor, 16 V, X7R, 20%0603StdStd
C71.0 μF, ceramic capacitor, 16 V, X5R, 20%0603StdStd
C810 μF, ceramic capacitor, 25 V, X7R, 20%0805C3225X7R1E106MTDK
C90.1 μF, ceramic capacitor, 50 V, X7R, 20%0603StdStd
C10100 pF, ceramic capacitor, 16 V, X7R, 20%0603StdStd
D1Schottky diode, 3 A, 40 VSMCMBRS340T3On Semi
L110 μH, inductor, SMT, 7.5 A, 12.4 mΩ0.325 x 0.318 inchRLF12560T-100M-7R5TDK
Q1MOSFET, N-channel, 40 V, 14 A, 9mΩSO-8Si4840DYVishay
R310 kΩ, chip resistor, 1/16 W, 5%0603StdStd
R418.7 kΩ, chip resistor, 1/16 W, 1%0603StdStd
R51.5 kΩ, chip resistor, 1/16 W, 1%0603StdStd
R6261 kΩ, chip resistor, 1/16 W, 1%0603StdStd
R751.1 kΩ, chip resistor, 1/16 W, 1%0603StdStd
R93.3 Ω, chip resistor, 1/16 W, 5%0603StdStd
R101.0 kΩ, chip resistor, 1/16 W, 5%0603StdStd
R1110 mΩ, chip resistor, 1/2 W, 2%1812StdStd
U1IC, 4.5 V-52 V I/P, current mode boost controllerDGQ10TPS40210DGQTI
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