ZHCSQJ5A may   2022  – march 2023 TPS62903-Q1

PRODUCTION DATA  

1. 1 特性
2. 2 應用
3. 3 說明
4. 4 Revision History
5. 5 Device Comparison Table
6. 6 Pin Configuration and Functions
7. 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 Typical Characteristics
8. 8 Detailed Description
   1. 8.1 Overview
   2. 8.2 Functional Block Diagram
   3. 8.3 Feature Description
      1. 8.3.1  Mode Selection and Device Configuration MODE/S-CONF
      2. 8.3.2  Adjustable VO Operation (External Voltage Divider)
      3. 8.3.3  Selectable VO Operation (VSET and Internal Voltage Divider)
      4. 8.3.4  Soft Start and Tracking (SS/TR)
         1. 8.3.4.1 Tracking Function
      5. 8.3.5  Smart Enable with Precise Threshold
      6. 8.3.6  Power Good (PG)
      7. 8.3.7  Output Discharge Function
      8. 8.3.8  Undervoltage Lockout (UVLO)
      9. 8.3.9  Current Limit and Short-Circuit Protection
      10. 8.3.10 High Temperature Specifications
      11. 8.3.11 Thermal Shutdown
   4. 8.4 Device Functional Modes
      1. 8.4.1 Forced Pulse Width Modulation (FPWM) Operation
      2. 8.4.2 Power Save Mode Operation (Auto PFM and PWM)
      3. 8.4.3 AEE (Automatic Efficiency Enhancement)
      4. 8.4.4 100% Duty-Cycle Operation
      5. 8.4.5 Starting into a Prebiased Load
9. 9 Application and Implementation
   1. 9.1 Application Information
   2. 9.2 Typical Application with Adjustable Output Voltage
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
         1. 9.2.2.1 Custom Design With WEBENCH? Tools
         2. 9.2.2.2 Programming the Output Voltage
         3. 9.2.2.3 External Component Selection
            1. 9.2.2.3.1 Output Filter and Loop Stability
            2. 9.2.2.3.2 Inductor Selection
            3. 9.2.2.3.3 Capacitor Selection
               1. 9.2.2.3.3.1 Output Capacitor
               2. 9.2.2.3.3.2 Input Capacitor
               3. 9.2.2.3.3.3 Soft-Start Capacitor
      3. 9.2.3 Application Curves
         1. 9.2.3.1 Application Curves Vout = 1.8 V
         2. 9.2.3.2 Application Curves Vout = 1.2 V
         3. 9.2.3.3 Application Curves Vout = 0.6 V
   3. 9.3 Typical Application with Selectable VOUT using VSET
      1. 9.3.1 Design Requirements
      2. 9.3.2 Detailed Design Procedure
         1. 9.3.2.1 Programming the Output Voltage
      3. 9.3.3 Application Curves
         1. 9.3.3.1 Application Curves Vout = 5 V
         2. 9.3.3.2 Application Curves Vout = 3.3 V
   4. 9.4 System Examples
      1. 9.4.1 LED Power Supply
      2. 9.4.2 Powering Multiple Loads
      3. 9.4.3 Voltage Tracking
      4. 9.4.4 Inverting Buck-Boost (IBB)
   5. 9.5 Power Supply Recommendations
   6. 9.6 Layout
      1. 9.6.1 Layout Guidelines
      2. 9.6.2 Layout Example
      3. 9.6.3 Thermal Considerations
10. 10Device and Documentation Support
    1. 10.1 Device Support
       1. 10.1.1 第三方產品免責聲明
       2. 10.1.2 Development Support
          1. 10.1.2.1 Custom Design With WEBENCH? Tools
    2. 10.2 Documentation Support
       1. 10.2.1 Related Documentation
    3. 10.3 接收文檔更新通知
    4. 10.4 支持資源
    5. 10.5 Trademarks
    6. 10.6 靜電放電警告
    7. 10.7 術語表
11. 11Mechanical, Packaging, and Orderable Information