ZHCSEQ1A February   2016  – February 2016 UCC28704

PRODUCTION DATA.  

1. 1 特性
2. 2 應用
3. 3 說明
4. 4 修訂歷史記錄
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 Detailed Pin Description
         1. 7.3.1.1 VDD (Device Bias Voltage Supply)
         2. 7.3.1.2 GND (Ground)
         3. 7.3.1.3 VS (Voltage-Sense)
         4. 7.3.1.4 DRV (Gate Drive)
         5. 7.3.1.5 CS (Current Sense)
         6. 7.3.1.6 NTC/SU (NTC Thermistor Shutdown and External Start Up Control)
      2. 7.3.2 Primary-Side Regulation (PSR)
      3. 7.3.3 Primary-Side Constant Voltage (CV) Regulation
      4. 7.3.4 Primary-Side Constant Current (CC) Regulation
      5. 7.3.5 Valley-Switching and Valley-Skipping
      6. 7.3.6 Start-Up Operation
         1. 7.3.6.1 Initial Power-On with a Start-Up Resistor
         2. 7.3.6.2 Initial Power-On with A Depletion-Mode FET
      7. 7.3.7 Fault Protection
      8. 7.3.8 Constant Current Under-Voltage Protection
      9. 7.3.9 Load Transient Response
   4. 7.4 Device Functional Modes
8. 8 Applications 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 VDD Capacitance, CDD
         2. 8.2.2.2 VDD Start-Up Resistance, RSTR
         3. 8.2.2.3 Input Bulk Capacitance and Minimum Bulk Voltage
         4. 8.2.2.4 Transformer Turns Ratio, Inductance, Primary-Peak Current
         5. 8.2.2.5 Transformer Parameter Verification
         6. 8.2.2.6 VS Resistor Divider, Line Compensation, and NTC
         7. 8.2.2.7 Standby Power Estimate
         8. 8.2.2.8 Output Capacitance
         9. 8.2.2.9 Design Considerations in Using with Synchronous Rectifiers
      3. 8.2.3 Application Curves
   3. 8.3 Do's and Don'ts
9. 9 Power Supply Recommendations
10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
11. 11器件和文檔支持
    1. 11.1 器件支持
       1. 11.1.1 器件命名規則
          1. 11.1.1.1  電容術語（以法拉為單位）
          2. 11.1.1.2  占空比術語
          3. 11.1.1.3  頻率術語（以赫茲為單位）
          4. 11.1.1.4  電流術語（以安培為單位）
          5. 11.1.1.5  電流和電壓調節術語
          6. 11.1.1.6  變壓器術語
          7. 11.1.1.7  功率術語（以瓦特為單位）
          8. 11.1.1.8  電阻術語（以 Ω 為單位）
          9. 11.1.1.9  時序術語（以秒為單位）
          10. 11.1.1.10 電壓術語（以伏特為單位）
          11. 11.1.1.11 交流電壓術語（以 VRMS 為單位）
          12. 11.1.1.12 效率術語
    2. 11.2 文檔支持
       1. 11.2.1 相關文檔　
    3. 11.3 社區資源
    4. 11.4 商標
    5. 11.5 靜電放電警告
    6. 11.6 Glossary
12. 12機械、封裝和可訂購信息