SNOS491D February   2000  – September 2018 LM4051-N

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1. 1.2 VREF Simplified Schematic
      2.      Adjustable Reference Simplified Schematic
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin 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 LM4051-1.2 Electrical Characteristics
    6. 6.6 LM4051-ADJ Electrical Characteristics
    7. 6.7 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 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. 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

9.3 System Examples

LM4051-N LM4051-N-typical-application-03-bounded-amplifier-snos491.pngFigure 21. Bounded Amplifier Reduces Saturation-induced Delays and Can Prevent Succeeding Stage Damage. Nominal Clamping Voltage is ±VO (LM4051-N's Reverse Breakdown Voltage) +2 Diode VF .
LM4051-N LM4051-N-typical-application-04-voltage-level-regulator-snos491.pngFigure 22. Voltage Level Detector
LM4051-N LM4051-N-typical-application-05-bidirectional-clamp-snos491.pngFigure 23. Voltage Level Detector
LM4051-N LM4051-N-typical-application-06-voltage-level-detector-snos491.pngFigure 24. Fast Positive Clamp 2.4V + VD1
LM4051-N LM4051-N-typical-application-07-bidirectional-adjustable-clamp-snos491.pngFigure 25. Bidirectional Clamp ± 2.4V
LM4051-N LM4051-N-typical-application-08-fast-positive-clamp-snos491.pngFigure 26. Bidirectional Adjustable Clamp ± 18V to ± 2.4V
LM4051-N LM4051-N-typical-application-09-bidirectional-clamp-snos491.pngFigure 27. Bidirectional Adjustable Clamp ± 2.4V to ± 6V
LM4051-N LM4051-N-typical-application-10-simple-floating-current-detector-snos491.pngFigure 28. Simple Floating Current Detector
LM4051-N LM4051-N-typical-application-11-current-source-snos491.png
*D1 can be any LED, VF = 1.5V to 2.2V at 3 mA. D1 may act as an indicator. D1 will be on if ITHRESHOLD falls below the threshold current, except with I = O.
Figure 29. Current Source
LM4051-N LM4051-N-typical-application-12-precision-floating-current-detector-snos491.pngFigure 30. Precision Floating Current Detector
LM4051-N LM4051-N-typical-application-13-left-precision-current-sources-snos491.pngFigure 31. Precision 1 μA to 1 mA Current Source
LM4051-N LM4051-N-typical-application-13-right-precision-current-sources-snos491.pngFigure 32. Precision 1 μA to 1 mA Current Source