SNOS641I October   1999  – July 2025 LM4041-N , LM4041-N-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
    1.     Pin Functions
    2.     Pin Functions: ADJ Pinouts
  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  LM4041-N LM4041-N-Q1 1.2 Electrical Characteristics (Industrial Temperature Range)
    6. 5.6  LM4041-N LM4041-N-Q1 1.2 Electrical Characteristics (Industrial Temperature Range)
    7. 5.7  LM4041-N LM4041-N-Q1 1.2 Electrical Characteristics (Extended Temperature Range)
    8. 5.8  LM4041-N LM4041-N-Q1 ADJ (Adjustable) Electrical Characteristics (Industrial Temperature Range)
    9. 5.9  LM4041-N LM4041-N-Q1 ADJ (Adjustable) Electrical Characteristics (Extended Temperature Range)
    10. 5.10 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
  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 Curve
      2. 8.2.2 Adjustable Shunt Regulator
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detail Design Procedure
      3. 8.2.3 Bounded Amplifier
        1. 8.2.3.1 Design Requirements
        2. 8.2.3.2 Detail Design Procedure
        3. 8.2.3.3 Application Curve
      4. 8.2.4 Voltage Level Detector
        1. 8.2.4.1 Design Procedure
        2. 8.2.4.2 Detail Design Procedure
      5. 8.2.5 Precision Current Sink and Source
        1. 8.2.5.1 Design Requirements
        2. 8.2.5.2 Detailed Design Procedure
      6. 8.2.6 100mA Current Source
        1. 8.2.6.1 Design Requirements
        2. 8.2.6.2 Detailed Design Procedure
      7. 8.2.7 LM4041 in Clamp Circuits
        1. 8.2.7.1 Design Requirements
        2. 8.2.7.2 Detailed Design Procedure
      8. 8.2.8 Floating Current Detector
        1. 8.2.8.1 Design Requirement
        2. 8.2.8.2 Detailed Design Procedure
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 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

Package Options

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

3 Description

Excellent for space-critical applications, the LM4041-NLM4041-N-Q1 precision voltage reference is available in the sub-miniature SC70 and SOT-23 surface-mount packages. The advanced design of the LM4041-NLM4041-N-Q1 eliminates the need for an external stabilizing capacitor while providing stability with any capacitive load, thus making the LM4041-NLM4041-N-Q1 easy to use. Further reducing design effort is the availability of a fixed (1.225V) and adjustable reverse breakdown voltage. The minimum operating current is 60μA for the LM4041-NLM4041-N-Q1 1.2 and the LM4041-NLM4041-N-Q1 ADJ. Both versions have a maximum operating current of 12mA.

The LM4041-NLM4041-N-Q1 uses fuse and Zener-zap reverse breakdown or reference voltage trim during wafer sort to make sure that the prime parts have an accuracy of better than ±0.1% (A grade) at 25°C. Band gap reference temperature drift curvature correction and low dynamic impedance provide stable reverse breakdown voltage accuracy over a wide range of operating temperatures and currents.

Device Information
PART NUMBER PACKAGE (1) BODY SIZE (NOM) (2)
LM4041-N SC70 (5) 1.25mm × 2.00mm
SOT-23 (3) 1.30mm × 2.92mm
TO-92 (3) 4.30mm × 4.30mm
LM4041-N-Q1 SOT-23 (3) 1.30mm × 2.92mm
(1) For all available packages, see the orderable addendum at the end of the data sheet.
(2) The package size (length × width) is a nominal value and includes pins, where applicable.
LM4041-N LM4041-N-Q1 Block DiagramBlock Diagram