ZHCSP41 January   2022 TPSM5D1806E

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 Undervoltage 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 Application Curves
      4. 8.2.4 Typical Application (Paralleled Outputs)
        1. 8.2.4.1 Design Requirements
        2. 8.2.4.2 Detailed Design Procedure
          1. 8.2.4.2.1 Output Voltage Setpoint
          2. 8.2.4.2.2 Input Capacitors
          3. 8.2.4.2.3 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 第三方米6体育平台手机版_好二三四免责声明
      2. 11.1.2 Development Support
        1. 11.1.2.1 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 Electrostatic Discharge Caution
    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

7.3.2 Frequency Selection

The TPSM5D1806E can be set to one of four switching frequencies:

  • 500 kHz
  • 1.0 MHz
  • 1.5 MHz
  • 2.0 MHz

The switching frequency is set using the MODE2 pin on the device. When setting the switching frequency, both channels of the device are set to the same frequency. Not all input voltage and output voltage combinations can operate at all switching frequencies. Check Table 7-1 for allowable switching frequencies. Select the appropriate resistor from Table 7-5 to set the switching frequency.
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