SNOS491E February   2000  – March 2025 LM4051-N

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
    1.     Pin 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 LM4051-1.2 Electrical Characteristics
    6. 5.6 LM4051-ADJ Electrical Characteristics
    7. 5.7 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
      1. 7.4.1 LM4051-N-1.2 V
      2. 7.4.2 LM4051-N - ADJ
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Shunt Regulator
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curves
      2. 8.2.2 Adjustable Shunt Regulator
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
    3. 8.3 System Examples
    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 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

8.3 System Examples

LM4051-N 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 .Figure 8-4 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 Voltage Level DetectorFigure 8-5 Voltage Level Detector
LM4051-N Voltage Level DetectorFigure 8-6 Voltage Level Detector
LM4051-N Fast Positive Clamp 2.4V + VD1Figure 8-7 Fast Positive Clamp 2.4V + VD1
LM4051-N Bidirectional Clamp ± 2.4VFigure 8-8 Bidirectional Clamp ± 2.4V
LM4051-N Bidirectional Adjustable Clamp ± 18V to ± 2.4VFigure 8-9 Bidirectional Adjustable Clamp ± 18V to ± 2.4V
LM4051-N Bidirectional Adjustable Clamp ± 2.4V to ± 6VFigure 8-10 Bidirectional Adjustable Clamp ± 2.4V to ± 6V
LM4051-N Simple Floating Current DetectorFigure 8-11 Simple Floating Current Detector
LM4051-N Current Source
*D1 can be any LED, VF = 1.5V to 2.2V at 3mA. D1 may act as an indicator. D1 will be on if ITHRESHOLD falls below the threshold current, except with I = O.
Figure 8-12 Current Source
LM4051-N Precision Floating Current DetectorFigure 8-13 Precision Floating Current Detector
LM4051-N Precision 1μA to 1mA Current SourceFigure 8-14 Precision 1μA to 1mA Current Source
LM4051-N Precision 1μA to 1mA Current SourceFigure 8-15 Precision 1μA to 1mA Current Source