JAJSVM7A June   2023  – November 2024 UCC28731-Q1

PRODUCTION DATA  

1.   1
2. 1 特長
3. 2 アプリケーション
4. 3 概要
5. 4 Pin Configuration and Functions
   1.     Pin Functions
6. 5 Specifications
   1. 5.1 Absolute Maximum Ratings
   2. 5.2 ESD Ratings
   3. 5.3 Recommended Operating Conditions
   4. 5.4 Thermal Information
   5. 5.5 Electrical Characteristics
   6. 5.6 Timing Requirements
   7. 5.7 Switching Characteristics
   8. 5.8 Typical Characteristics
7. 6 Detailed Description
   1. 6.1 Overview
   2. 6.2 Functional Block Diagram
   3. 6.3 Feature Description
      1. 6.3.1 Detailed Pin Description
         1. 6.3.1.1 VDD (Device Bias Voltage Supply)
         2. 6.3.1.2 GND (Ground)
         3. 6.3.1.3 HV (High Voltage Startup)
         4. 6.3.1.4 DRV (Gate Drive)
         5. 6.3.1.5 CBC (Cable Compensation)
         6. 6.3.1.6 VS (Voltage Sense)
         7. 6.3.1.7 CS (Current Sense)
      2. 6.3.2 Primary-Side Regulation (PSR)
      3. 6.3.3 Primary-Side Constant Voltage Regulation
      4. 6.3.4 Primary-Side Constant Current Regulation
      5. 6.3.5 Valley-Switching and Valley-Skipping
      6. 6.3.6 Startup Operation
      7. 6.3.7 Fault Protection
   4. 6.4 Device Functional Modes
8. 7 Application and Implementation
   1. 7.1 Application Information
   2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
         1. 7.2.2.1 Input Bulk Capacitance and Minimum Bulk Voltage
         2. 7.2.2.2 Transformer Turns Ratio, Inductance, Primary-Peak Current
         3. 7.2.2.3 Transformer Parameter Verification
         4. 7.2.2.4 Output Capacitance
         5. 7.2.2.5 VDD Capacitance, CVDD
         6. 7.2.2.6 VS Resistor Divider, Line Compensation, and Cable Compensation
      3. 7.2.3 Application Curves
   3. 7.3 Do's and Don'ts
   4. 7.4 Power Supply Recommendations
   5. 7.5 Layout
      1. 7.5.1 Layout Guidelines
      2. 7.5.2 Layout Example
9. 8 Device and Documentation Support
   1. 8.1 Device Support
      1. 8.1.1 Device Nomenclature
         1. 8.1.1.1  Capacitance Terms in Farads
         2. 8.1.1.2  Duty-Cycle Terms
         3. 8.1.1.3  Frequency Terms in Hertz
         4. 8.1.1.4  Current Terms in Amperes
         5. 8.1.1.5  Current and Voltage Scaling Terms
         6. 8.1.1.6  Transformer Terms
         7. 8.1.1.7  Power Terms in Watts
         8. 8.1.1.8  Resistance Terms in Ω
         9. 8.1.1.9  Timing Terms in Seconds
         10. 8.1.1.10 DC Voltage Terms in Volts
         11. 8.1.1.11 AC Voltage Terms in Volts
         12. 8.1.1.12 Efficiency Terms
   2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
   3. 8.3 Receiving Notification of Documentation Updates
   4. 8.4 サポート・リソース
   5. 8.5 Trademarks
   6. 8.6 静電気放電に関する注意事項
   7. 8.7 用語集
10. 9 Revision History
11. 10Mechanical, Packaging, and Orderable Information

UCC28731-Q1 Zero-Power 車載用スタンバイ PSR フライバック コントローラ

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