ZHCSJX1B NOVEMBER   2008  – June 2019 TPS40197

PRODUCTION DATA.  

  1. 特性
  2. 应用
  3. 说明
    1.     Device Images
      1.      典型应用电路
  4. 修订历史记录
  5. 说明 (续)
  6. Pin Configuration and Functions
    1.     Pin Functions
  7. Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Package Dissipation Ratings
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Enable
      2. 8.3.2  Oscillator
      3. 8.3.3  UVLO
      4. 8.3.4  Start-up Sequence and Timing
      5. 8.3.5  Selecting the Short Circuit Current
      6. 8.3.6  Voltage Reference and Dynamic VID
      7. 8.3.7  Minimum On-Time Consideration
      8. 8.3.8  BP Regulator
      9. 8.3.9  Prebias Start-up
      10. 8.3.10 Drivers
      11. 8.3.11 Power Good
      12. 8.3.12 Thermal Shutdown
  9. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
  10. 10器件和文档支持
    1. 10.1 器件支持
      1. 10.1.1 第三方产品免责声明
    2. 10.2 文档支持
      1. 10.2.1 相关器件
      2. 10.2.2 相关文档
    3. 10.3 接收文档更新通知
    4. 10.4 社区资源
    5. 10.5 商标
    6. 10.6 静电放电警告
    7. 10.7 Glossary
  11. 11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

Typical Characteristics

TPS40197 fsw_v_tj_lus853.gif
Figure 1. Relative Oscllator Frequency vs Junction Temperature
TPS40197 ivdd_v_tj_lus853.gif
Figure 3. Shutdown Current vs Junction Temperature
TPS40197 vfb_v_tj_lus853.gif
Figure 2. Relative Reference Voltage Change vs Junction Temperature
TPS40197 ven_v_tj_lus853.gif
Figure 4. Enable Threshold vs Junction Temperature
TPS40197 tss_v_tj_lus853.gif
Figure 5. Soft-Start Time vs Junction Temperature
TPS40197 vilimh_v_tj_lus853.gif
Figure 7. High-Side MOSFET Current Limit Threshold vs Junction Temperature
TPS40197 viliml_v_tj_lus853.gif
Figure 6. Low-Side MOSFET Current Limit Threshold vs Junction Temperature
TPS40197 vreg_v_tj_lus853.gif
Figure 8. Total Time-To-Regulation vs Junction Temperature
TPS40197 ioc_v_fwl_lus853.gif
Figure 9. Relative Overcurrent Trip Point vs Freewheel Time
TPS40197 vvid_v_tj_lus853.gif
Figure 11. VID Threshold Voltage vs Junction Temperature
TPS40197 pg_v_tj_lus853.gif
Figure 10. Relative Power Good Threshold vs Junction Temperature
TPS40197 iref_v_tj_lus853.gif
Figure 12. REF Source/Sink Current vs Junction Temperature
TPS40197 ivid_v_tj_lus853.gif
Figure 13. VID Pullup Current vs Junction Temperature