ZHCSMC3X january   1976  – june 2023 UA78L

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Pin Configuration and Functions
  7. 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: UA78L02 (Legacy Chip Only)
    6. 6.6  Electrical Characteristics: UA78L033 (New Chip Only)
    7. 6.7  Electrical Characteristics: UA78L05 (Both Legacy and New Chip)
    8. 6.8  Electrical Characteristics: UA78L12 (Both Legacy and New Chip)
    9. 6.9  Electrical Characteristics: UA78L06 (Legacy Chip Only)
    10. 6.10 Electrical Characteristics: UA78L08 (Legacy Chip Only)
    11. 6.11 Electrical Characteristics: UA78L09 (Legacy Chip Only)
    12. 6.12 Electrical Characteristics: UA78L10 (Legacy Chip Only)
    13. 6.13 Electrical Characteristics: UA78L15 (Both Legacy and New Chip)
    14. 6.14 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Current Limit
      2. 7.3.2 Thermal Shutdown
      3. 7.3.3 Dropout Voltage (VDO)
    4. 7.4 Device Functional Modes
      1. 7.4.1 Normal Operation
      2. 7.4.2 Dropout Operation
  9. 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 Input and Output Capacitor Requirements
        2. 8.2.2.2 Power Dissipation (PD)
        3. 8.2.2.3 Estimating Junction Temperature
        4. 8.2.2.4 External Capacitor Requirements
        5. 8.2.2.5 Overload Recovery
        6. 8.2.2.6 Reverse Current
        7. 8.2.2.7 Polarity Reversal Protection
      3. 8.2.3 Application Curves
    3. 8.3 System Examples
      1. 8.3.1 Positive Regulator in Negative Configuration
      2. 8.3.2 Current Limiter Circuit
    4. 8.4 Power Supply Recommendations
    5. 8.5 Layout
      1. 8.5.1 Layout Guidelines
      2. 8.5.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Development Support
        1. 9.1.1.1 Evaluation Module
      2. 9.1.2 Device Nomenclature
    2. 9.2 接收文档更新通知
    3. 9.3 支持资源
    4. 9.4 Trademarks
    5. 9.5 静电放电警告
    6. 9.6 术语表
  11. 10Mechanical, Packaging, and Orderable Information

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)
  • D|8
  • PK|3
  • LP|3
散热焊盘机械数据 (封装 | 引脚)
订购信息

4 Revision History

Changes from Revision W (April 2023) to Revision X (June 2023)

  • 将 M3 器件状态从预告信息 更改为量产数据 Go
  • Changed Current-Limit vs VHead-room Behavior for New Chip Only figureGo

Changes from Revision V (November 2016) to Revision W (April 2023)

  • 向文档添加了 M3 器件Go
  • 更改了特性、应用 和说明 部分Go
  • Changed Description column of Pin Functions tableGo
  • Added plots for new chip, reordered plots for legacy chip, and changed condition statement in Typical Characteristics sectionGo
  • Changed Overview sectionGo
  • Changed Feature Description section and added subsectionsGo
  • Changed Device Functional Modes section: added Device Functional Mode Comparison table, deleted Fixed-Output Mode subsection, and added Normal Operation and Dropout Operation subsectionsGo
  • Changed Detailed Design Procedure section and added subsectionsGo
  • Added plots for new chip and changed condition statement in Application Curves sectionGo
  • Added Device Nomenclature and Evaluation Module sectionsGo
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