ZHCSDI3A September   2014  – March 2015 UCC29950

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
   1. 5.1 Detailed Pin Descriptions
      1. 5.1.1  VCC
      2. 5.1.2  MD_SEL/PS_ON
      3. 5.1.3  SUFG, SUFS
      4. 5.1.4  GD1, GD2
      5. 5.1.5  GND
      6. 5.1.6  AGND
      7. 5.1.7  LLC_CS
      8. 5.1.8  FB
      9. 5.1.9  PFC_GD
      10. 5.1.10 PFC_CS
      11. 5.1.11 VBULK
      12. 5.1.12 AC1, AC2
      13. 5.1.13 AC_DET
6. 6 Specifications
   1. 6.1 Absolute Maximum Ratings
   2. 6.2 Storage Conditions
   3. 6.3 ESD Ratings
   4. 6.4 Recommended Operating Conditions
   5. 6.5 Thermal Information
   6. 6.6 Electrical Characteristics
   7. 6.7 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  Sense Networks
      2. 7.3.2  Sense Network Fault Detection
      3. 7.3.3  PFC Stage Soft-Start
      4. 7.3.4  AC Line Voltage Sensing
      5. 7.3.5  VBLK Sensing
      6. 7.3.6  AC Input UVLO and Brownout Protection
      7. 7.3.7  Dither
      8. 7.3.8  Active X-Cap Discharge
      9. 7.3.9  LLC Stage Soft Start
      10. 7.3.10 PFC Stage Current Sensing
      11. 7.3.11 Input Power Limit
      12. 7.3.12 PFC Stage Soft Start
      13. 7.3.13 Hybrid PFC Control Loop
      14. 7.3.14 PFC Stage Second Current Limit
      15. 7.3.15 PFC Inductor and Bulk Capacitor Recommendations
      16. 7.3.16 PFC Stage Over Voltage Protection
      17. 7.3.17 LLC Stage Control
      18. 7.3.18 Driver Output Stages and Characteristic
      19. 7.3.19 LLC Stage Dead Time Profile
      20. 7.3.20 LLC Stage Current Sensing
      21. 7.3.21 LLC Three Level Over-Current Protection
      22. 7.3.22 Over-Temperature Protection
      23. 7.3.23 Fault Timer and Control
   4. 7.4 Device Functional Modes
      1. 7.4.1 Mode Selection
      2. 7.4.2 Start-Up in Aux Bias Mode
      3. 7.4.3 Start-Up Operation in Self-Bias Mode
      4. 7.4.4 Bias Rail UVLO
      5. 7.4.5 LLC Stage MOSFET Drive
      6. 7.4.6 Gate Drive Transformer
      7. 7.4.7 Gate Drive Device
      8. 7.4.8 Comparison
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  LLC Stage
         2. 8.2.2.2  LLC Switching Frequency
         3. 8.2.2.3  LLC Transformer Turns Ratio
         4. 8.2.2.4  LLC Stage Equivalent Load Resistance
         5. 8.2.2.5  LLC Gain Range
         6. 8.2.2.6  Select LN and QE
         7. 8.2.2.7  LLC No-Load Gain
         8. 8.2.2.8  Parameters of the LLC Resonant Circuit
         9. 8.2.2.9  Verify the LLC Resonant Circuit Design
         10. 8.2.2.10 LLC Primary-Side Currents
         11. 8.2.2.11 LLC Secondary-Side Currents
         12. 8.2.2.12 LLC Transformer
         13. 8.2.2.13 LLC Resonant Inductor
         14. 8.2.2.14 Combining the LLC Resonant Inductor and Transformer
         15. 8.2.2.15 LLC Resonant Capacitor
         16. 8.2.2.16 LLC Stage with Split Resonant Capacitor
         17. 8.2.2.17 LLC Primary-Side MOSFETs
         18. 8.2.2.18 LLC Output Rectifier Diodes
         19. 8.2.2.19 LLC Stage Output Capacitors
         20. 8.2.2.20 LLC Stage Over-Current Protection, Current Sense Resistor
         21. 8.2.2.21 Detailed Design Procedure for the PFC stage
         22. 8.2.2.22 PFC Stage Output Current Calculation
         23. 8.2.2.23 Line Current Calculation
         24. 8.2.2.24 Bridge Rectifier
         25. 8.2.2.25 PFC Boost Inductor
         26. 8.2.2.26 PFC Input Capacitor
         27. 8.2.2.27 PFC Stage MOSFET
         28. 8.2.2.28 PFC Boost Diode
         29. 8.2.2.29 Bulk Capacitor
         30. 8.2.2.30 PFC Stage Current Sense Resistor
      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
       1. 10.1.1  GND Pin
       2. 10.1.2  GD1, GD2 Pins
       3. 10.1.3  VCC Pin
       4. 10.1.4  SUFG Pin
       5. 10.1.5  SUFS Pin
       6. 10.1.6  AGND Pin
       7. 10.1.7  MD_SEL/PS_ON Pin
       8. 10.1.8  VBULK Pin
       9. 10.1.9  AC1, AC2 Pins
       10. 10.1.10 LLC_CS
       11. 10.1.11 FB
       12. 10.1.12 PFC_CS
       13. 10.1.13 AC_DET
       14. 10.1.14 PFC_GD
    2. 10.2 Layout Example
11. 11器件和文档支持
    1. 11.1 文档支持
       1. 11.1.1 相关文档
    2. 11.2 商标
    3. 11.3 静电放电警告
    4. 11.4 术语表
12. 12机械封装和可订购信息