SNOS491D February   2000  – September 2018 LM4051-N

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
    1.     Device Images
      1. 1.2 VREF Simplified Schematic
      2.      Adjustable Reference Simplified Schematic
  4. Revision History
  5. Pin Configuration and Functions
    1.     Pin Functions
  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 LM4051-1.2 Electrical Characteristics
    6. 6.6 LM4051-ADJ Electrical Characteristics
    7. 6.7 Typical Characteristics
  7. Parameter Measurement Information
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
    4. 8.4 Device Functional Modes
      1. 8.4.1 LM4051-N - 1.2 V
      2. 8.4.2 LM4051-N - ADJ
  9. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Shunt Regulator
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curves
      2. 9.2.2 Adjustable Shunt Regulator
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
    3. 9.3 System Examples
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Receiving Notification of Documentation Updates
    2. 12.2 Community Resources
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Typical Characteristics

LM4051-N LM4051-N-typical-characteristic-01-snos491.pngFigure 1. Temperature Drift for Different Average Temperature Coefficient
LM4051-N LM4051-N-typical-characteristic-03-snos491.pngFigure 3. Noise Voltage
LM4051-N LM4051-N-typical-characteristic-05-snos491.pngFigure 5. Start-Up Characteristics
LM4051-N LM4051-N-typical-characteristic-07-snos491.pngFigure 7. Reference Voltage vs Temperature and Output Voltage
LM4051-N LM4051-N-typical-characteristic-09-snos491.pngFigure 9. Output Saturation (SOT-23 Only)
LM4051-N LM4051-N-typical-characteristic-11-snos491.pngFigure 11. Output Impedance vs Frequency
LM4051-N LM4051-N-typical-characteristic-13-snos491.pngFigure 13. Large Signal Response
LM4051-N LM4051-N-typical-characteristic-02-snos491.pngFigure 2. Output Impedance vs Frequency
LM4051-N LM4051-N-typical-characteristic-04-snos491.pngFigure 4. Reverse Characteristics and Minimum Operating Current
LM4051-N LM4051-N-typical-characteristic-06-snos491.pngFigure 6. Reference Voltage vs Output Voltage and Temperature
LM4051-N LM4051-N-typical-characteristic-08-snos491.pngFigure 8. Feedback Current vs Output Voltage and Temperature
LM4051-N LM4051-N-typical-characteristic-10-snos491.pngFigure 10. Output Impedance vs Frequency
LM4051-N LM4051-N-typical-characteristic-12-snos491.pngFigure 12. Reverse Characteristics
LM4051-N LM4051-N-typical-characteristic-14-snos491.pngFigure 14. Thermal Hysteresis