ZHCSMP8B November   2020  – March 2021 TPSM5D1806

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and 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 Typical Characteristics (VIN = 12 V)
    7. 6.7 Typical Characteristics (VIN = 5 V)
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Adjustable Output Voltage
      2. 7.3.2  Frequency Selection
        1. 7.3.2.1 Synchronization
        2. 7.3.2.2 Allowable Switching Frequency
      3. 7.3.3  Minimum and Maximum Input Voltage
      4. 7.3.4  Recommended Settings
      5. 7.3.5  Device Mode Configuration
        1. 7.3.5.1 MODE1 (Operating Mode and Phase Position)
        2. 7.3.5.2 MODE2 (Setting the Switching Frequency)
      6. 7.3.6  Input Capacitors
      7. 7.3.7  Minimum Required Output Capacitance
      8. 7.3.8  Ambient Temperature Versus Total Power Dissipation
      9. 7.3.9  Remote Sense
      10. 7.3.10 Enable (EN) and Under Voltage Lockout (UVLO)
      11. 7.3.11 Soft Start
      12. 7.3.12 Power Good
      13. 7.3.13 Safe Start-up into Pre-Biased Outputs
      14. 7.3.14 BP5
      15. 7.3.15 Overcurrent Protection
      16. 7.3.16 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Active Mode
      2. 7.4.2 Shutdown Mode
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application (Dual Outputs)
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Custom Design With WEBENCH® Tools
        2. 8.2.2.2 Output Voltage Setpoint
        3. 8.2.2.3 Input Capacitors
        4. 8.2.2.4 Output Capacitor Selection
      3. 8.2.3 Typical Application (Paralleled Outputs)
        1. 8.2.3.1 Design Requirements
        2. 8.2.3.2 Detailed Design Procedure
          1. 8.2.3.2.1 Output Voltage Setpoint
          2. 8.2.3.2.2 Input Capacitors
          3. 8.2.3.2.3 Output Capacitor Selection
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Examples
      1. 10.2.1 Package Specifications
      2. 10.2.2 EMI
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Development Support
        1. 11.1.1.1 Custom Design With WEBENCH® Tools
    2. 11.2 接收文档更新通知
    3. 11.3 支持资源
    4. 11.4 Trademarks
    5. 11.5 静电放电警告
    6. 11.6 术语表
  12. 12Mechanical, 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

7.3.6 Input Capacitors

The TPSM5D1806 requires a minimum input capacitance of 88 μF (4 × 22 μF or 2 × 47 μF) of ceramic type. High-quality, ceramic-type X5R or X7R capacitors with sufficient voltage rating are required. Place input capacitors, as close as possible to both VIN sides of the device, between VIN and PGND as shown in Figure 7-4. Applications with transient load requirements can benefit from adding additional bulk capacitance to the input as well.

GUID-20200813-CA0I-CD5L-SKCT-NHTHJZSPQNBM-low.gif Figure 7-4 Input Capacitors Pin Connections
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