ZHCSSN6A August   2023  – October 2023 TPS25983

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Device Comparison Table
  7. 6 Pin Configuration and Functions
  8. 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 Switching Characteristics
    8. 7.8 Typical Characteristics
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Undervoltage Protection (UVLO and UVP)
      2. 8.3.2 Overvoltage Protection (OVP)
      3. 8.3.3 Inrush Current, Overcurrent, and Short-Circuit Protection
        1. 8.3.3.1 Slew Rate and Inrush Current Control (dVdt)
        2. 8.3.3.2 Circuit Breaker
        3. 8.3.3.3 Active Current Limiting
        4. 8.3.3.4 Short-Circuit Protection
      4. 8.3.4 Overtemperature Protection (OTP)
      5. 8.3.5 Analog Load Current Monitor (IMON)
      6. 8.3.6 Power Good (PG)
      7. 8.3.7 Reverse Current Blocking FET Driver
      8. 8.3.8 Fault Response
    4. 8.4 Device Functional Modes
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application: Standby Power Rail Protection in Datacenter Servers
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Device Selection
        2. 9.2.2.2 Setting the Current Limit Threshold: RILIM Selection
        3. 9.2.2.3 Setting the Undervoltage and Overvoltage Lockout Set Point
        4. 9.2.2.4 Choosing the Current Monitoring Resistor: RIMON
        5. 9.2.2.5 Setting the Output Voltage Ramp Time (TdVdt)
          1. 9.2.2.5.1 Case 1: Start-Up Without Load: Only Output Capacitance COUT Draws Current
          2. 9.2.2.5.2 Case 2: Start-Up With Load: Output Capacitance COUT and Load Draw Current
        6. 9.2.2.6 Setting the Transient Overcurrent Blanking Interval (tITIMER)
        7. 9.2.2.7 Setting the Auto-Retry Delay and Number of Retries
      3. 9.2.3 Application Curves
    3. 9.3 System Examples
      1. 9.3.1 Optical Module Power Rail Path Protection
        1. 9.3.1.1 Design Requirements
        2. 9.3.1.2 Device Selection
        3. 9.3.1.3 External Component Settings
        4. 9.3.1.4 Voltage Drop
        5. 9.3.1.5 Application Curves
      2. 9.3.2 Input Protection for 12-V Rail Applications: PCIe Cards, Storage Interfaces, and DC Fans
      3. 9.3.3 Priority Power MUXing
    4. 9.4 Power Supply Recommendations
      1. 9.4.1 Transient Protection
      2. 9.4.2 Output Short-Circuit Measurements
    5. 9.5 Layout
      1. 9.5.1 Layout Guidelines
      2. 9.5.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 接收文档更新通知
    3. 10.3 支持资源
    4. 10.4 Trademarks
    5. 10.5 静电放电警告
    6. 10.6 术语表
  12. 11Mechanical, Packaging, and Orderable Information

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

GUID-6D631E5D-1221-4C21-B1E5-34595A036B34-low.png
COUT = 1.4 mF CdVdt = 10 nF RL(SU) = Open
Figure 9-3 Hot-Plug Start-Up Without Load on Output, dVdt Limited
GUID-20230727-SS0I-BFXS-17VD-NCTPKZFCXP17-low.svg
RILIM = 82Ω CITIMER = 4.7 nF
Figure 9-5 Circuit Breaker With Transient Overcurrent Blanking Interval of 2 ms
GUID-20230731-SS0I-XCDB-DQ8K-NXLCGDK4BCMJ-low.svg
RILIM = 82 Ω
Figure 9-7 Output Hard Short-Circuit While ON
GUID-20230727-SS0I-B8VR-K0KT-ZMGCMHDDDTBX-low.svg
Figure 9-9 Power-Up With Short-Circuit on Output
GUID-4706E24F-F13A-4E40-B791-35EF372391D4-low.png
COUT = 1.4 mF CdVdt = 10 nF RL(SU) = 10 Ω
Figure 9-4 Hot-Plug Start-Up With Load on Output, dVdt Limited
GUID-20230727-SS0I-LGT5-HS6Q-PTHT4DXSWKC2-low.svg
RILIM = 82Ω CITIMER = 4.7 nF CRETRY_DLY = 2.2 nF, CNRETRY = 2.2 nF
Figure 9-6 Circuit Breaker, Auto-Retry 4 Times With Retry Delay of 100 ms
GUID-20230731-SS0I-L6Z2-B0M0-MMVCCJW2MXPK-low.svg
RILIM = 82 Ω
Figure 9-8 Output Hard Short-Circuit While ON (Zoomed In)