ZHCSDH6B December   2014  – March 2015 UCC28063A

PRODUCTION DATA.  

1. 1 特性
2. 2 应用
3. 3 说明
4. 4 修订历史记录
5. 5 说明（继续）
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  Principles of Operation
      2. 8.3.2  Natural Interleaving
      3. 8.3.3  On-Time Control, Maximum Frequency Limiting, and Restart Timer
      4. 8.3.4  Distortion Reduction
      5. 8.3.5  Zero-Current Detection and Valley Switching
      6. 8.3.6  Phase Management and Light-Load Operation
      7. 8.3.7  External Disable
      8. 8.3.8  Improved Error Amplifier
      9. 8.3.9  Soft Start
      10. 8.3.10 Brownout Protection
      11. 8.3.11 Dropout Detection
      12. 8.3.12 VREF
      13. 8.3.13 VCC
      14. 8.3.14 Control of Downstream Converter
      15. 8.3.15 System Level Protections
          1. 8.3.15.1 Failsafe OVP - Output Overvoltage Protection
          2. 8.3.15.2 Overcurrent Protection
          3. 8.3.15.3 Open-Loop Protection
          4. 8.3.15.4 VCC Undervoltage Lock-Out (UVLO) Protection
          5. 8.3.15.5 Phase-Fail Protection
          6. 8.3.15.6 Thermal Shutdown Protection
          7. 8.3.15.7 AC-Line Brownout and Dropout Protections
          8. 8.3.15.8 Fault Logic Diagram
   4. 8.4 Device Functional Modes
9. 9 Applications and Implementation
   1. 9.1 Application Information
   2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
         1. 9.2.2.1  Inductor Selection
         2. 9.2.2.2  ZCD Resistor Selection (RZA, RZB)
         3. 9.2.2.3  HVSEN
         4. 9.2.2.4  Output Capacitor Selection
         5. 9.2.2.5  Selecting (RS) For Peak Current Limiting
         6. 9.2.2.6  Power Semiconductor Selection (Q1, Q2, D1, D2)
         7. 9.2.2.7  Brownout Protection
         8. 9.2.2.8  Converter Timing
         9. 9.2.2.9  Programming VOUT
         10. 9.2.2.10 Voltage Loop Compensation
      3. 9.2.3 Application Curves
         1. 9.2.3.1 Input Ripple Current Cancellation with Natural Interleaving
         2. 9.2.3.2 Brownout Protection
10. 10Power Supply Recommendations
11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
12. 12器件和文档支持
    1. 12.1 器件支持
       1. 12.1.1 开发支持
          1. 12.1.1.1 相关器件
       2. 12.1.2 器件命名规则
          1. 12.1.2.1 详细引脚说明
    2. 12.2 文档支持
       1. 12.2.1 相关文档
    3. 12.3 商标
    4. 12.4 静电放电警告
    5. 12.5 术语表
13. 13机械、封装和可订购信息