SNVS093G June   1999  – May 2015 LM2990

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  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: -5 V and -5.2 V
    6. 6.6 Electrical Characteristics: -12 V and -15 V
    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 Fixed Output-Voltage Options
      2. 7.3.2 Low Dropout Voltage
      3. 7.3.3 Short Circuit Protection (Current Limit)
      4. 7.3.4 Thermal Protection
    4. 7.4 Device Functional Modes
      1. 7.4.1 Operation with VOUT(TARGET) -5 V ≥ VIN > -26 V
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 -5 V Post Regulator for an Isolated Switching Power Supply
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 External Capacitors
          2. 8.2.1.2.2 Forcing The Output Positive
        3. 8.2.1.3 Application Curves
      2. 8.2.2 Fixed or Adjustable Current Sink
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
        3. 8.2.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Device Nomenclature
    2. 11.2 Trademarks
    3. 11.3 Electrostatic Discharge Caution
    4. 11.4 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

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

4 Revision History

Changes from F Revision (February 2015) to G Revision

  • Changed "Ground" to "INPUT" in center of layout drawing Go

Changes from E Revision (November 2014) to F Revision

  • Changed word "automotive" to "junction"; update pin names to TI nomenclature Go
  • Changed Handling Ratings to ESD Ratings table; moved Storage temperature to Ab MaxGo
  • Changed wording of first sentence of Low Dropout Voltage section Go
  • Changed wording of first sentence of Application Information section Go
  • Added IOUT = 5 mA to "RMS noise" and "PSRR" rowsGo

Changes from D Revision (April 2013) to E Revision

  • Added Device Information and Handling Rating tables, Feature Description, Device Functional Modes, Application and Implementation, Power Supply Recommendations, Layout, Device and Documentation Support, and Mechanical, Packaging, and Orderable Information sections; moved some curves to Application Curves section; update new thermal valuesGo