ZHCSU09H July   2004  – December 2023 LP2981 , LP2981A

PRODUCTION DATA  

1.   1
2. 1 特性
3. 2 应用
4. 3 说明
5. 4 Pin Configuration and Functions
6. 5 Specifications
   1. 5.1 Absolute Maximum Ratings
   2. 5.2 ESD Ratings
   3. 5.3 Recommended Operating Conditions
   4. 5.4 Thermal Information
   5. 5.5 Electrical Characteristics
   6. 5.6 Typical Characteristics
7. 6 Detailed Description
   1. 6.1 Overview
   2. 6.2 Functional Block Diagram
   3. 6.3 Feature Description
      1. 6.3.1 Output Enable
      2. 6.3.2 Dropout Voltage
      3. 6.3.3 Current Limit
      4. 6.3.4 Undervoltage Lockout (UVLO)
      5. 6.3.5 Thermal Shutdown
      6. 6.3.6 Output Pulldown
   4. 6.4 Device Functional Modes
      1. 6.4.1 Device Functional Mode Comparison
      2. 6.4.2 Normal Operation
      3. 6.4.3 Dropout Operation
      4. 6.4.4 Disabled
8. 7 Application and Implementation
   1. 7.1 Application Information
      1. 7.1.1 Recommended Capacitor Types
         1. 7.1.1.1 Recommended Capacitors for the Legacy Chip
            1. 7.1.1.1.1 Tantalum Capacitors
            2. 7.1.1.1.2 Ceramic Capacitors
            3. 7.1.1.1.3 Aluminum Capacitors
         2. 7.1.1.2 Recommended Capacitors for the New Chip
      2. 7.1.2 Input and Output Capacitor Requirements
         1. 7.1.2.1 Input Capacitor
         2. 7.1.2.2 Output Capacitor
      3. 7.1.3 Estimating Junction Temperature
      4. 7.1.4 Power Dissipation (PD)
      5. 7.1.5 Reverse Current
   2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
         1. 7.2.2.1 ON and OFF Input Operation
      3. 7.2.3 Application Curves
9. 8 Power Supply Recommendations
10. 9 Layout
    1. 9.1 Layout Guidelines
    2. 9.2 Layout Example
11. 10Device and Documentation Support
    1. 10.1 Device Nomenclature
    2. 10.2 Documentation Support
       1. 10.2.1 Related Documentation
    3. 10.3 Receiving Notification of Documentation Updates
    4. 10.4 支持资源
    5. 10.5 Trademarks
    6. 10.6 静电放电警告
    7. 10.7 术语表
12. 11Revision History
13. 12Mechanical, Packaging, and Orderable Information

LP2981 采用 SOT-23 封装的 100mA 低压降稳压器

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