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  • TPS92512 2.5A Buck LED Driver with Integrated Analog Current Adjust

    • SLVSCT1B February   2015  – April 2015 TPS92512 , TPS92512HV

      PRODUCTION DATA.  

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  • TPS92512 2.5A Buck LED Driver with Integrated Analog Current Adjust
  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Simplified Schematics
  5. 5 Revision History
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Timing Requirements
    7. 7.7 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Undervoltage Lockout and Low Power Shutdown (UVLO Pin)
      2. 8.3.2 Adjustable Switching Frequency (RT/CLK Pin)
      3. 8.3.3 Synchronizing the Switching Frequency to an External Clock (RT/CLK Pin)
      4. 8.3.4 Adjustable LED Current (IADJ and ISENSE Pins)
      5. 8.3.5 PWM Dimming (PDIM Pin)
      6. 8.3.6 External Compensation (COMP Pin)
      7. 8.3.7 Overcurrent Protection
      8. 8.3.8 Overtemperature Protection
    4. 8.4 Device Functional Modes
      1. 8.4.1 Start-Up
      2. 8.4.2 Minimum Pulse Width and Limitations
      3. 8.4.3 Maximum Duty Cycle and Bootstrap Voltage (BOOT)
      4. 8.4.4 Thermal Shutdown and Thermal Limitations
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Inductor Selection
      2. 9.1.2 Input Capacitor Selection
      3. 9.1.3 Output Capacitor Selection
      4. 9.1.4 Rectifier Diode Selection
      5. 9.1.5 Output Protection Clamp (Optional)
    2. 9.2 Typical Application
    3. 9.3 Design Requirements
    4. 9.4 Detailed Design Procedure
      1. 9.4.1 Standard Component Selection
      2. 9.4.2 Calculate UVLO Resistor Values
      3. 9.4.3 Calculate the RT Resistor Value (RRT)
      4. 9.4.4 Calculate the ISENSE Resistor Value (R(ISENSE))
      5. 9.4.5 Calculate the Inductor Value and Operating Parameters (L)
      6. 9.4.6 Calculate the Minimum Input Capacitance and the Required RMS Current Rating (CIN)
      7. 9.4.7 Calculate the Output Capacitor Value (COUT)
      8. 9.4.8 Calculate the Diode Power Dissipation (D)
    5. 9.5 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Related Links
    2. 12.2 Trademarks
    3. 12.3 Electrostatic Discharge Caution
    4. 12.4 Glossary
  13. 13Mechanical, Packaging, and Orderable Information
  14. IMPORTANT NOTICE

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
  • DGQ|10
    • MPDS043F
サーマルパッド・メカニカル・データ
  • DGQ|10
    • PPTD325B
発注情報
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  • slvsct1b_pm
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