ZHCS247C May   2011  – April 2018 TPS61260 , TPS61261

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 Handling Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. 7 Parameter Measurement Information
    1. 7.1 Schematic and List of Components
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagrams
    3. 8.3 Feature Description
      1. 8.3.1 Controller Circuit
      2. 8.3.2 Synchronous Boost Operation
      3. 8.3.3 Power Save Mode
      4. 8.3.4 Device Enable
      5. 8.3.5 Softstart and Short Circuit Protection
    4. 8.4 Device Functional Modes
      1. 8.4.1 Undervoltage Lockout
      2. 8.4.2 Output Overvoltage Protection
    5. 8.5 Programming
      1. 8.5.1 Programming the Output Voltage
      2. 8.5.2 Programming the Output Current
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 TPS61260 3.3-V Output Application
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Inductor Selection
          2. 9.2.1.2.2 Capacitor Selection
            1. 9.2.1.2.2.1 Input Capacitor
            2. 9.2.1.2.2.2 Output Capacitor
        3. 9.2.1.3 TPS61260 3.3-V Output Application Performance Plots
      2. 9.2.2 TPS61261 Application as LED Driver
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
        3. 9.2.2.3 TPS61261 Application as LED Driver Performance Plots
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
    3. 11.3 Thermal Considerations
  12. 12器件和文档支持
    1. 12.1 器件支持
      1. 12.1.1 Third-Party Products Disclaimer
    2. 12.2 文档支持
      1. 12.2.1 相关文档
    3. 12.3 相关链接
    4. 12.4 商标
    5. 12.5 静电放电警告
    6. 12.6 术语表
  13. 13机械、封装和可订购信息

6.4 Thermal Information

THERMAL METRIC(1) TPS61260, TPS61261 UNIT
DRV (6 PINS)
RθJA Junction-to-ambient thermal resistance 89 °C/W
RθJC(top) Junction-to-case (top) thermal resistance 100
RθJB Junction-to-board thermal resistance 35
ψJT Junction-to-top characterization parameter 2
ψJB Junction-to-board characterization parameter 36
RθJC(bot) Junction-to-case (bottom) thermal resistance 8
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
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