ZHCSEL8A November   2015  – December 2015 TPS549A20

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
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Electrical Characteristics
    5. 6.5 Thermal Information
    6. 6.6 Typical Characteristics
    7. 6.7 Thermal Performance
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
      1. 7.3.1  Powergood
      2. 7.3.2  D-CAP3 Control and Mode Selection
      3. 7.3.3  D-CAP3 Mode
      4. 7.3.4  Sample and Hold Circuitry
      5. 7.3.5  Adaptive Zero-Crossing
      6. 7.3.6  Forced Continuous-Conduction Mode
      7. 7.3.7  Current Sense and Overcurrent Protection
      8. 7.3.8  Overvoltage and Undervoltage Protection
      9. 7.3.9  Out-of-Bounds Operation (OOB)
      10. 7.3.10 UVLO Protection
      11. 7.3.11 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Auto-Skip Eco-Mode Light-Load Operation
      2. 7.4.2 Forced Continuous-Conduction Mode
    5. 7.5 Programming
      1. 7.5.1  The PMBus General Descriptions
      2. 7.5.2  PMBus Slave Address Selection
      3. 7.5.3  PMBus Address Selection
      4. 7.5.4  Supported Formats
        1. 7.5.4.1 Direct Format: Write
        2. 7.5.4.2 Combined Format: Read
        3. 7.5.4.3 Stop-Separated Reads
      5. 7.5.5  Supported PMBus Commands
        1. 7.5.5.1 Unsupported PMBus Commands
        2. 7.5.5.2 OPERATION [01h] (R/W Byte)
        3. 7.5.5.3 ON_OFF_CONFIG [02h] (R/W Byte)
        4. 7.5.5.4 WRITE_PROTECT [10h] (R/W Byte)
      6. 7.5.6  CLEAR_FAULTS [03h] (Send Byte)
      7. 7.5.7  STORE_DEFAULT_ALL [11h] (Send Byte)
      8. 7.5.8  RESTORE_DEFAULT_ALL [12h] (Send Byte)
      9. 7.5.9  STATUS_WORD [79h] (Read Word)
      10. 7.5.10 CUSTOM_REG (MFR_SPECIFIC_00) [D0h] (R/W Byte)
      11. 7.5.11 DELAY_CONTROL (MFR_SPECIFIC_01) [D1h] (R/W Byte)
      12. 7.5.12 MODE_SOFT_START_CONFIG (MFR_SPECIFIC_02) [D2h] (R/W Byte)
      13. 7.5.13 FREQUENCY_CONFIG (MFR_SPECIFIC_03) [D3h] (R/W Byte)
      14. 7.5.14 VOUT_ADJUSTMENT (MFR_SPECIFIC_04) [D4h] (R/W Byte)
      15. 7.5.15 Output Voltage Fine Adjustment Soft Slew Rate
      16. 7.5.16 VOUT_MARGIN (MFR_SPECIFIC_05) [D5h] (R/W Byte)
      17. 7.5.17 Output Voltage Margin Adjustment Soft-Slew Rate
      18. 7.5.18 UVLO_THRESHOLD (MFR_SPECIFIC_06) [D6h]
  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 Choose the Switching Frequency
        2. 8.2.2.2 Choose the Operation Mode
        3. 8.2.2.3 Choose the Inductor
        4. 8.2.2.4 Choose the Output Capacitor
        5. 8.2.2.5 Determine the Value of R1 and R2
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11器件和文档支持
    1. 11.1 文档支持
    2. 11.2 商标
    3. 11.3 静电放电警告
    4. 11.4 Glossary
  12. 12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

12 机械、封装和可订购信息

以下页中包括机械、封装和可订购信息。这些信息是针对指定器件可提供的最新数据。这些数据会在无通知且不对本文档进行修订的情况下发生改变。欲获得该数据表的浏览器版本，请查阅左侧的导航栏。