SNOS491E
February 2000 – March 2025
LM4051-N
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
Pin Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
LM4051-1.2 Electrical Characteristics
5.6
LM4051-ADJ Electrical Characteristics
5.7
Typical Characteristics
6
Parameter Measurement Information
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.4
Device Functional Modes
7.4.1
LM4051-N-1.2 V
7.4.2
LM4051-N - ADJ
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Shunt Regulator
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curves
8.2.2
Adjustable Shunt Regulator
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.3
System Examples
8.4
Power Supply Recommendations
8.5
Layout
8.5.1
Layout Guidelines
8.5.2
Layout Example
9
Device and Documentation Support
9.1
Receiving Notification of Documentation Updates
9.2
Support Resources
9.3
Trademarks
9.4
Electrostatic Discharge Caution
9.5
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
1
Features
No output capacitor required
Tolerates capacitive loads
Reverse breakdown voltage options of 1.225V and adjustable
Key specifications:
Output voltage tolerance (A Grade, 25 ̊C) ± 0.1% (maximum)
Output noise (10Hz to 10kHz) 20μVrms
Operating current range: 60μA to 12mA
Industrial temp. range: −40 ̊C to +85 ̊C
Extended temp. range: −40 ̊C to +125 ̊C
Temperature coefficient: 50ppm/ ̊C (maximum)