ZHCSHW5A September   2017  – December 2017 TPS23521

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      简化原理图
  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 Switching Characteristics
    7. 6.7 Typical Characteristics
  7. 7 Parameter Measurement Information
    1. 7.1 Relationship between Sense Voltage, Gate Current, and Timer
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Current Limit
        1. 8.3.1.1 Programming the CL Switch-Over Threshold
        2. 8.3.1.2 Setting Up the PROG Pin
        3. 8.3.1.3 Programming CL1
        4. 8.3.1.4 Programming CL2
      2. 8.3.2 Soft Start Disconnect
      3. 8.3.3 Timer
      4. 8.3.4 Gate 2
    4. 8.4 Device Functional Modes
      1. 8.4.1 OFF State
      2. 8.4.2 Insertion Delay State
      3. 8.4.3 Start-up State
      4. 8.4.4 Normal Operation State
  9. 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
        1. 9.2.2.1 Selecting RSNS
        2. 9.2.2.2 Selecting Soft Start Setting: CSS and CSS,VEE
        3. 9.2.2.3 Selecting VDS Switch Over Threshold
        4. 9.2.2.4 Timer Selection
        5. 9.2.2.5 MOSFET Selection and SOA Checks
        6. 9.2.2.6 EMI Filter Consideration
        7. 9.2.2.7 Under Voltage and Over Voltage Settings
        8. 9.2.2.8 Choosing RVCC and CVCC
        9. 9.2.2.9 Power Good Interface to Downstream DC/DC
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12器件和文档支持
    1. 12.1 器件支持
      1. 12.1.1 第三方产品免责声明
    2. 12.2 文档支持
      1. 12.2.1 相关文档
    3. 12.3 接收文档更新通知
    4. 12.4 社区资源
    5. 12.5 商标
    6. 12.6 静电放电警告
    7. 12.7 Glossary
  13. 13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

9.2.3 Application Curves

TPS23521 Startup 36V 1.32mF.png
Figure 15. Start Up (Vin = 36 V)
TPS23521 Startup 72V 1.32mF.png
Figure 17. Start Up (Vin = 72 V)
TPS23521 Hot Short 72V no Load.png
Figure 19. Hot Short (Vin = 72 V, no load)
TPS23521 Hot Short 72V 1.2kW Load.png
Figure 21. Hot Short (Vin = 72V, 1.2kW load)
TPS23521 Retry Behavior Zoomed In.png
Figure 23. Retry Behavior
TPS23521 Start into Short 72V Zoomed In.png
Figure 25. Start Into Short (Zoomed in)
TPS23521 Startup 48V 1.32mF.png
Figure 16. Start Up (Vin = 48 V)
TPS23521 Startup showing VREF and GATE.png
Figure 18. Start Up (Showing GATE2 and Vref/PG)
TPS23521 Hot Short 72V No Load Zoomed In.png
Zoomed In
Figure 20. Hot Short (Vin = 72 V, no load)
TPS23521 Gradual Over Current 36V.png
Figure 22. Gradual Over Current
TPS23521 Start into Short 72V.png
Figure 24. Start Into Short (Vin =72V)
TPS23521 LightningSurge_2kV.png
OR-ing circuit between surge and EVM
Figure 26. +2kV (2Ω) Lightning Surge
TPS23521 LightningSurge_Neg2kV.png
OR-ing circuit between surge and EVM
Figure 28. -2kV (2Ω) Lightning Surge
TPS23521 LightningSurge_2kV_2.png
OR-ing circuit between surge and EVM
Figure 27. +2kV (2Ω) Lightning Surge (zoomed in)
TPS23521 LightningSurge_Neg2kV-3.png
OR-ing circuit between surge and EVM
Figure 29. -2kV (2Ω) Lightning Surge (zoomed in)