ZHCSDK9A March   2015  – April 2015 TPS22953 , TPS22954

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 简化电路原理图
  5. 5 修订历史记录
  6. 6 Device Comparison Table
  7. 7 Pin Configuration and Functions
  8. 8 Specifications
    1. 8.1  Absolute Maximum Ratings
    2. 8.2  ESD Ratings
    3. 8.3  Recommended Operating Conditions
    4. 8.4  Thermal Information
    5. 8.5  Electrical Characteristics
    6. 8.6  Electrical Characteristics, VBIAS = 5 V
    7. 8.7  Electrical Characteristics, VBIAS = 3.3 V
    8. 8.8  Electrical Characteristics, VBIAS = 2.5 V
    9. 8.9  Switching Characteristics, CT = 1000 pF
    10. 8.10 Switching Characteristics, CT = 0 pF
    11. 8.11 Typical DC Characteristics
    12. 8.12 Typical Switching Characteristics
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 On/Off Control (EN pin)
      2. 9.3.2 Voltage Monitoring (SNS pin)
      3. 9.3.3 Power Good (PG Pin)
      4. 9.3.4 Supervisor Fault Detection and Automatic Restart
      5. 9.3.5 Manual Restart
      6. 9.3.6 Thermal Shutdown
      7. 9.3.7 Quick Output Discharge (QOD) (TPS22954 Only)
      8. 9.3.8 VIN and VBIAS Voltage Range
      9. 9.3.9 Adjustable Rise Time (CT pin)
    4. 9.4 Device Functional Modes
  10. 10Application and Implementation
    1. 10.1 Application Information
      1. 10.1.1 Input to OutputVoltage Drop
      2. 10.1.2 Thermal Considerations
      3. 10.1.3 Automatic Power Sequencing
      4. 10.1.4 Monitoring a Downstream Voltage
        1. 10.1.4.1 Monitoring the Input Voltage
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Inrush Current
      3. 10.2.3 Application Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13器件和文档支持
    1. 13.1 相关链接
    2. 13.2 商标
    3. 13.3 静电放电警告
    4. 13.4 术语表
  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 Device Comparison Table

Device Quick Output Discharge Reverse Current Blocking Package (Pin) Body Size Pin Pitch
TPS22954 Yes No DSQ (10) 2.00 mm x 2.00 mm 0.4 mm
DQC (10) 2.00 mm x 3.00 mm 0.5 mm
TPS22953 No Yes DSQ (10) 2.00 mm x 2.00 mm 0.4 mm
DQC (10) 2.00 mm x 3.00 mm 0.5 mm
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