ZHCSFR8 November   2016 LP5922

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 Input and Output Capacitors
    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 Output Voltage
      2. 7.3.2 Enable
      3. 7.3.3 Output Automatic Discharge
      4. 7.3.4 Programmable Soft Start and Noise Reduction
      5. 7.3.5 Internal Current Limit
      6. 7.3.6 Thermal Overload Protection
      7. 7.3.7 Power Good Output
    4. 7.4 Device Functional Modes
      1. 7.4.1 Enable (EN)
      2. 7.4.2 Undervoltage Lockout (UVLO)
      3. 7.4.3 Minimum Operating Input Voltage
  8. 8 Applications 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 External Capacitors
        2. 8.2.2.2 Input Capacitor, CIN
        3. 8.2.2.3 Output Capacitor, COUT
        4. 8.2.2.4 Soft-Start and Noise-Reduction Capacitor, CSS/NR
        5. 8.2.2.5 Feed-Forward Capacitor, CFF
        6. 8.2.2.6 No-Load Stability
        7. 8.2.2.7 Power Dissipation
        8. 8.2.2.8 Estimating Junction Temperature
        9. 8.2.2.9 Recommended Continuous Operating Area
      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 相关文档　
    2. 11.2 接收文档更新通知
    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

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

9 Power Supply Recommendations

This device is designed to operate from an input supply voltage range of 1.3 V to 6 V. The input supply should be well regulated and free of spurious noise. To ensure that the LP5922 output voltage is well regulated and dynamic performance is optimum, the input supply must be at least VOUT + 1 V. A minimum capacitor value of 22 μF is required to be within 1 cm of the IN pin.
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