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

Bill of Materials

Table 2. Bill of Materials

REFERENCE
DESIGNATOR
DESCRIPTION SIZE PART
NUMBER
MANUFAC-
TURER
C1 100 μF, aluminum capacitor, SM, ± 20%, 35 V 0.406 x 0.457 EEEFC1V101P Panasonic
C2 2200 pF, ceramic capacitor, 25 V, X7R, 20% 0603 Std Std
C3 100 pF, ceramic capacitor, 16 V, C0G, 10% 0603 Std Std
C4 47 pF, ceramic capacitor, 16V, X7R, 20% 0603 Std Std
C5 0.22 μF, ceramic capacitor, 16 V, X7R, 20% 0603 Std Std
C7 1.0 μF, ceramic capacitor, 16 V, X5R, 20% 0603 Std Std
C8 10 μF, ceramic capacitor, 25 V, X7R, 20% 0805 C3225X7R1E106M TDK
C9 0.1 μF, ceramic capacitor, 50 V, X7R, 20% 0603 Std Std
C10 100 pF, ceramic capacitor, 16 V, X7R, 20% 0603 Std Std
D1 Schottky diode, 3 A, 40 V SMC MBRS340T3 On Semi
L1 10 μH, inductor, SMT, 7.5 A, 12.4 mΩ 0.325 x 0.318 inch RLF12560T-100M-7R5 TDK
Q1 MOSFET, N-channel, 40 V, 14 A, 9mΩ SO-8 Si4840DY Vishay
R3 10 kΩ, chip resistor, 1/16 W, 5% 0603 Std Std
R4 18.7 kΩ, chip resistor, 1/16 W, 1% 0603 Std Std
R5 1.5 kΩ, chip resistor, 1/16 W, 1% 0603 Std Std
R6 261 kΩ, chip resistor, 1/16 W, 1% 0603 Std Std
R7 51.1 kΩ, chip resistor, 1/16 W, 1% 0603 Std Std
R9 3.3 Ω, chip resistor, 1/16 W, 5% 0603 Std Std
R10 1.0 kΩ, chip resistor, 1/16 W, 5% 0603 Std Std
R11 10 mΩ, chip resistor, 1/2 W, 2% 1812 Std Std
U1 IC, 4.5 V-52 V I/P, current mode boost controller DGQ10 TPS40210DGQ TI