ZHCSK64B October   2019  – December 2020 TPSM265R1

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 = 5 V)
    7. 6.7  Typical Characteristics (VIN = 12 V)
    8. 6.8  Typical Characteristics (VIN = 24 V)
    9. 6.9  Typical Characteristics (VIN = 48 V)
    10. 6.10 Typical Characteristics (VIN = 65 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 (FB)
      2. 7.3.2 Input Capacitor Selection
      3. 7.3.3 Output Capacitor Selection
      4. 7.3.4 Precision Enable (EN), Undervoltage Lockout (UVLO), and Hysteresis (HYS)
      5. 7.3.5 PFM Operation
      6. 7.3.6 Power Good (PGOOD)
      7. 7.3.7 Configurable Soft Start (SS)
        1. 7.3.7.1 Prebiased Start-up
      8. 7.3.8 Overcurrent Protection (OCP)
      9. 7.3.9 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Shutdown Mode
      2. 7.4.2 Standby Mode
      3. 7.4.3 Active Mode
      4. 7.4.4 Sleep Mode
  8. 8 Applications and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      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
        5. 8.2.2.5 UVLO Programming
        6. 8.2.2.6 Soft-Start Capacitor – CSS
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
      1. 10.2.1 Theta JA versus PCB Area
      2. 10.2.2 Package Specifications
      3. 10.2.3 EMI
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
      2. 11.1.2 Development Support
      3. 11.1.3 Custom Design With WEBENCH® Tools
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Receiving Notification of Documentation Updates
    4. 11.4 Support Resources
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

8.1 Application Information

The TPSM265R1 only requires a few external components to convert from a wide range of supply voltages to a fixed output voltage. To expedite and streamline the process of designing of a TPSM265R1, WEBENCH® online software is available to generate complete designs, leveraging iterative design procedures and access to comprehensive component databases. The following section describes the design procedure to configure the TPSM265R1 power module.

As mentioned previously, the TPSM265R1 also integrates several optional features to meet system design requirements, including precision enable, UVLO, programmable soft start, and PGOOD indicator. The application circuit detailed below shows TPSM265R1 configuration options suitable for several application use cases. Refer to the TPSM265R1EVM User's Guide for more detail.
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