ZHCSGO4A August   2017  – September 2017 TPS7A88-Q1

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 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 Voltage Regulation Features
        1. 7.3.1.1 DC Regulation
        2. 7.3.1.2 AC and Transient Response
      2. 7.3.2 System Start-Up Features
        1. 7.3.2.1 Programmable Soft-Start (NR/SSx)
        2. 7.3.2.2 Sequencing
          1. 7.3.2.2.1 Enable (ENx)
          2. 7.3.2.2.2 Undervoltage Lockout (UVLOx) Control
          3. 7.3.2.2.3 Active Discharge
        3. 7.3.2.3 Power-Good Output (PGx)
      3. 7.3.3 Internal Protection Features
        1. 7.3.3.1 Foldback Current Limit (ICLx)
        2. 7.3.3.2 Thermal Protection (Tsdx)
    4. 7.4 Device Functional Modes
      1. 7.4.1 Regulation
      2. 7.4.2 Disabled
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 External Component Selection
        1. 8.1.1.1 Setting the Output Voltage (Adjustable Operation)
        2. 8.1.1.2 Capacitor Recommendations
        3. 8.1.1.3 Input and Output Capacitor (CINx and COUTx)
        4. 8.1.1.4 Feedforward Capacitor (CFFx)
        5. 8.1.1.5 Noise-Reduction and Soft-Start Capacitor (CNR/SSx)
      2. 8.1.2 Start-Up
        1. 8.1.2.1 Circuit Soft-Start Control (NR/SSx)
          1. 8.1.2.1.1 In-Rush Current
        2. 8.1.2.2 Undervoltage Lockout (UVLOx) Control
        3. 8.1.2.3 Power-Good (PGx) Function
      3. 8.1.3 AC and Transient Performance
        1. 8.1.3.1 Power-Supply Rejection Ratio (PSRR)
        2. 8.1.3.2 Channel-to-Channel Output Isolation and Crosstalk
        3. 8.1.3.3 Output Voltage Noise
        4. 8.1.3.4 Optimizing Noise and PSRR
          1. 8.1.3.4.1 Charge Pump Noise
        5. 8.1.3.5 Load Transient Response
      4. 8.1.4 DC Performance
        1. 8.1.4.1 Output Voltage Accuracy (VOUTx)
        2. 8.1.4.2 Dropout Voltage (VDO)
          1. 8.1.4.2.1 Behavior When Transitioning From Dropout Into Regulation
      5. 8.1.5 Reverse Current Protection
      6. 8.1.6 Power Dissipation (PD)
        1. 8.1.6.1 Estimating Junction Temperature
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Board Layout
    2. 10.2 Layout Example
  11. 11器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 开发支持
        1. 11.1.1.1 评估模块
        2. 11.1.1.2 Spice 模型
      2. 11.1.2 器件命名规则
    2. 11.2 文档支持
      1. 11.2.1 相关文档
    3. 11.3 社区资源
    4. 11.4 商标
    5. 11.5 静电放电警告
    6. 11.6 Glossary
  12. 12机械、封装和可订购信息

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • RTJ|20
散热焊盘机械数据 (封装 | 引脚)
订购信息

4 修订历史记录

Changes from * Revision (August 2017) to A Revision

  • Changed 将“低热阻：RθJA”从 40°C/W 更改为 39.8°C/W 以便与热性能信息 表内容匹配Go
  • Deleted output voltage range from Recommended Operating Conditions table; this parameter is already listed in the Electrical Characteristics tableGo
  • Changed ENx pin current parameter min and max values from ±0.2 µA to ±0.5 µA in Electrical Characteristics tableGo
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