ZHCSIB2B December   2017  – October 2019 UCC28064A

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      简化应用
  4. 4 修订历史记录
  5. 5 说明 （续）
  6. 6 Pin Configuration and Functions
    1.     Pin 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, Restart Timer and Input Voltage Feed-Forward compensation
      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  Burst Mode Operation
      8. 8.3.8  External Disable
      9. 8.3.9  Improved Error Amplifier
      10. 8.3.10 Soft Start
      11. 8.3.11 Brownout Protection
      12. 8.3.12 Line Dropout Detection
      13. 8.3.13 VREF
      14. 8.3.14 VCC
      15. 8.3.15 System Level Protections
        1. 8.3.15.1 Failsafe OVP - Output Over-voltage 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 CS - Open, TSET - Open and Short Protection
        7. 8.3.15.7 Thermal Shutdown Protection
        8. 8.3.15.8 Fault Logic Diagram
    4. 8.4 Device Functional Modes
  9. 9 Application 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  Custom Design With WEBENCH® Tools
        2. 9.2.2.2  Inductor Selection
        3. 9.2.2.3  ZCD Resistor Selection RZA, RZB
        4. 9.2.2.4  HVSEN
        5. 9.2.2.5  Output Capacitor Selection
        6. 9.2.2.6  Selecting RS For Peak Current Limiting
        7. 9.2.2.7  Power Semiconductor Selection (Q1, Q2, D1, D2)
        8. 9.2.2.8  Brownout Protection
        9. 9.2.2.9  Converter Timing
        10. 9.2.2.10 Programming VOUT
        11. 9.2.2.11 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. 12Package Option Addendum
    1. 12.1 Packaging Information
  13. 13器件和文档支持
    1. 13.1 器件支持
      1. 13.1.1 开发支持
        1. 13.1.1.1 使用 WEBENCH® 工具创建定制设计
    2. 13.2 文档支持
      1. 13.2.1 相关文档
    3. 13.3 接收文档更新通知
    4. 13.4 社区资源
    5. 13.5 商标
    6. 13.6 静电放电警告
    7. 13.7 Glossary
  14. 14机械、封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

6 Pin Configuration and Functions

D Package
16-Pin SOIC
Top View
UCC28064A pinout_d16_slusde9.gif

Pin Functions

PIN I/O DESCRIPTION
NAME NO.
AGND 6 - Analog ground
BRST 9 I Burst mode threshold input
COMP 5 O Error amplifier output
CS 10 I Current sense input
GDA 14 O Phase A gate driver output
GDB 11 O Phase B gate driver output
HVSEN 8 I High voltage output sense
PGND 13 - Power ground
PHB 4 I Phase B enable disable threshold input
TSET 3 I Timing set
VCC 12 - Bias supply input
VINAC 7 I Input AC voltage sense
VSENSE 2 I Error amplifier input
VREF 15 O Voltage reference output
ZCDA 16 I Phase A zero current detection input
ZCDB 1 I Phase B zero current detection input
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