SNOS733R April   2000  – February 2025 LP2980-N

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  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 Output Pulldown
      6. 6.3.6 Thermal Shutdown
    4. 6.4 Device Functional Modes
      1. 6.4.1 Normal Operation
      2. 6.4.2 Dropout Operation
      3. 6.4.3 Disabled
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Recommended Capacitor Types
        1. 7.1.1.1 Recommended Output Capacitors (Legacy Chip)
          1. 7.1.1.1.1 Tantalum Capacitors (Legacy Chip)
          2. 7.1.1.1.2 Aluminum Electrolytic Capacitors (Legacy Chip)
          3. 7.1.1.1.3 Multilayer Ceramic Capacitors (Legacy Chip)
        2. 7.1.1.2 Recommended Output Capacitors (New Chip)
      2. 7.1.2 Input Capacitor Requirements
      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/OFF Input Operation
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Third-Party Products Disclaimer
      2. 8.1.2 Device Nomenclature
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

9 Revision History

Changes from Revision Q (November 2023) to Revision R (February 2025)

  • Changed description of N/C pin in Pin Functions table and added footnote 1Go
  • Added ESR range for output capacitorGo
  • Changed Short-Circuit Current vs Time (New Chip), Short-Circuit Current vs Temperature (New Chip), Short-Circuit Current vs Time (New Chip) curvesGo
  • Added 1μF ESR Range vs IOUT (Legacy Chip), 2.2μF ESR Range vs IOUT (Legacy Chip), and 10μF ESR Range vs IOUT (Legacy Chip) curvesGo
  • Added Recommended Output Capacitors (Legacy Chip) sectionGo
  • Added Tantalum Capacitors (Legacy Chip) sectionGo
  • Added Aluminum Electrolytic Capacitors (Legacy Chip) sectionGo
  • Added Multilayer Ceramic Capacitors (Legacy Chip) sectionGo
  • Changed Recommended Output Capacitors (New Chip) sectionGo
  • Changed title and last paragraph of Input Capacitor Requirements sectionGo

Changes from Revision P (August 2016) to Revision Q (November 2023)

  • Updated the numbering format for tables, figures, and cross-references throughout the documentGo
  • Changed entire document to align with current family formatGo
  • Added M3 devices to documentGo
  • Updated Absolute Maximum Ratings, Recommended Operating Conditions, Electrical Characteristics and Thermal Information for M3-suffix(new chip)Go
  • Added Device Nomenclature sectionGo