ZHCS862E March   2012  – May 2017 TPS62125

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 修订历史记录
  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
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Undervoltage Lockout
      2. 7.3.2 Enable Comparator (EN / EN_hys)
      3. 7.3.3 Power Good Output and Output Discharge (PG)
      4. 7.3.4 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Pulse Width Modulation (PWM) Operation
      2. 7.4.2 Power-Save Mode
      3. 7.4.3 100% Duty Cycle Low Dropout Operation
      4. 7.4.4 Soft-Start
      5. 7.4.5 Short-Circuit Protection
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Output Voltage Setting
        2. 8.2.2.2 Enable Threshold and Hysteresis Setting
        3. 8.2.2.3 Power Good (PG) Pullup and Output Discharge Resistor
        4. 8.2.2.4 Output Filter Design (Inductor and Output Capacitor)
        5. 8.2.2.5 Inductor Selection
        6. 8.2.2.6 Output Capacitor Selection
        7. 8.2.2.7 Input Capacitor Selection
      3. 8.2.3 Application Curves
    3. 8.3 System Examples
      1. 8.3.1 TPS62125 5-V Output Voltage Configuration
      2. 8.3.2 TPS62125 5-V VOUT
      3. 8.3.3 TPS62125 Operation From a Storage Capacitor Charged From a 0.5 mA Current Source
      4. 8.3.4 5 V to -5 V Inverter Configuration
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 Third-Party Products Disclaimer
    2. 11.2 接收文档更新通知
    3. 11.3 社区资源
    4. 11.4 商标
    5. 11.5 静电放电警告
    6. 11.6 Glossary
  12. 12机械、封装和可订购信息

9 Power Supply Recommendations

The TPS62125 has no special requirements for its input power supply. The input power supply's output current needs to be rated according to the supply voltage, output voltage, and output current of the TPS62125.
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