ZHCSH96H MARCH   2007  – May 2019 TPS40192 , TPS40193

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      简化应用示意图
  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 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Dissipation Ratings
    7. 6.7 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  Voltage Reference
      2. 7.3.2  Oscillator
      3. 7.3.3  UVLO
      4. 7.3.4  Enable Functionality
      5. 7.3.5  Start-Up Sequence and Timing
      6. 7.3.6  Selecting the Short Circuit Current
      7. 7.3.7  5-V Regulator
      8. 7.3.8  Prebias Start-Up
      9. 7.3.9  Drivers
      10. 7.3.10 Power Good
      11. 7.3.11 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Continuous Conduction Mode
      2. 7.4.2 Low-Quiescent Shutdown
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1  Selecting the Switching Frequency
        2. 8.2.2.2  Inductor Selection
        3. 8.2.2.3  Output Capacitor Selection (C8)
        4. 8.2.2.4  Peak Current Rating of the Inductor
        5. 8.2.2.5  Input Capacitor Selection (C7)
        6. 8.2.2.6  MOSFET Switch Selection (Q1, Q2)
        7. 8.2.2.7  Boot Strap Capacitor
        8. 8.2.2.8  Input Bypass Capacitor (C6)
        9. 8.2.2.9  BP5 Bypass Capacitor (C5)
        10. 8.2.2.10 Input Voltage Filter Resistor (R11)
        11. 8.2.2.11 Short Circuit Protection (R9)
        12. 8.2.2.12 Feedback Compensation (Modeling the Power Stage)
        13. 8.2.2.13 Feedback Divider (R7, R8)
        14. 8.2.2.14 Error Amplifier Compensation (R6, R10, C1, C2, C3)
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Examples
  11. 11器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 开发支持
        1. 11.1.1.1 相关器件
      2. 11.1.2 器件命名规则
    2. 11.2 文档支持
    3. 11.3 相关链接
    4. 11.4 接收文档更新通知
    5. 11.5 社区资源
    6. 11.6 商标
    7. 11.7 静电放电警告
    8. 11.8 Glossary
  12. 12机械、封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

6.7 Typical Characteristics

TPS40192 TPS40193 rel_vref_delta_vs_tj_slus719.gifFigure 1. Relative Reference Feedback Voltage vs Junction Temperature
TPS40192 TPS40193 ishutdown_vs_tj_slus719.gif
VENABLE < 0.6 V
Figure 3. Shutdown Input Current vs Junction Temperature
TPS40192 TPS40193 sstime_vs_tj_slus719.gifFigure 5. Soft-start Time vs Junction Temperature
TPS40192 TPS40193 hsfet_vs_tk_slus719.gifFigure 7. High-Side MOSFET Current Limit Threshold vs Junction Temperature
TPS40192 TPS40193 vpg_vs_tj_slus719.gifFigure 9. Power-Good Threshold voltage vs Junction Temperature
TPS40192 TPS40193 oc_trip_vs_freewheel_slus719.gifFigure 11. Relative Overcurrent Trip Point vs Freewheel Time
TPS40192 TPS40193 rel_vref_vs_tj_slus719.gifFigure 2. Relative Oscillator Frequency Change vs Junction Temperature
TPS40192 TPS40193 enable_vs_tj_slus719.gifFigure 4. Enable Threshold Voltage vs Junction Temperature
TPS40192 TPS40193 ilim_vs_tj_slus719.gifFigure 6. Low-Side MOSFET Current Limit Threshold vs Junction Temperature
TPS40192 TPS40193 reg_time_vs_tj_slus719.gifFigure 8. Total Time to Regulation vs Junction Temperature
TPS40192 TPS40193 iin_vs_vin_slus719.gifFigure 10. Shutdown Current vs Input Voltage